I have shot 37gr. See Hodgdon #26 or #27. Thread starter stx kid; Start date Feb 22, 2013; 1; 2; Next. These specialty bullets are designed for extreme medium to long-range shooting. by Ken » Sat Jul 13, 2013 6:41 am Hi guys, Looking for some info on reloading for 243 with ADI reloading powders. Jan 18, 2011 1,861 36 laredo. You can already discover countless reloading data for the following calibers in the "Hodgdon Reloading Data Center" online at www.hodgdonreloading.com: 204 Ruger, 223 Rem, 224 Valkyrie, 22 Nosler, 22-250 Rem, 220 Swift, 6mm Dasher, 24 Nosler, 6GT, 6X47MM Lapua, 6mm Creedmoor, 243 Win, 6mm Rem, 250-3000 Savage, 257 Roberts, 25-06 Rem, 6.5X47MM Lapua, 6.5 Creedmoor, 260 Rem, 270 Win, 270 … Even at the prices of components today, reloading is STILL cheaper than factory loads, AND you can tailor your loads for your specific barrel and gun. Mixing different types could heavily impact the performance, burn speed, and thus, may negatively impact the application. Next to no recoil out of a heavy barrel varmint rifle, my 100 pound wife likes to shoot it. post your best 243 loads. If you're wanting to use one powder, I'd say Varget. My best powder for 243 is H 4831sc. Tac, BLC2, AA-2230, and H-335, ball powders, listed in my order of preference. 223, 243, 270 & 30-06 but usually with heavy for caliber bullets. Hey fellas, been reloading the 25-06 with 54gr of H4831sc under a 115gr berger. For my Vanguard S2 the IMR 4064 was better than any other I tried in the 85 gr, but I had a decent load/accuracy combination with the Varget. First of all, it all depends on how confident you feel and your ability to shoot "MOP" at a given range. LoadData.com has more powder and bullet combination than any other reloading manual on the market. If you can find H414 (Winchester 760), you might try it. Forums User List Calendar Active Threads Forum Help: Previous Thread: Next Thread : Print Thread: Hop To : Page 1 of 2 : 1: 2: Best powder for the 243 Win? Which is best for you depends on your personal powder and reloading … charge weight in grams and grains … The Winchester 760 meters best in a powder measure...but velocity is a bit higher with the IMR … and 25-06 and 7mm mag. So what is the best 243 bullet for whitetail? Reloading powder into your .30-06 is a cinch. I really appreciate the time everyone took to respond to my question. Rem. A bit over 3,000 fps 6 shots covered by a dime is what my notes say @ 100 yrds. Varget is another powder that will work under about any .243 bullet. ! 90gr pills?2206, 2. You just have to work at the right combination for your particular rifle[s]. Funny thing is I started reloading in the early 1970's for a .243 Win. - 03/31/15 For best velocity and accuracy: Varget for 58-75 gr, 4350 for 85 and heavier. In my opinion, bullets of less than 70 grains are a bit pointless in the standard .243, as one is limiting the wonderful potential of this calibre by using the lightweight pills. Probably the metric barrel length would work best with European powders:-). Another favorite is Hodgdon Powder H322.It does a good job in quite a few rounds including the 223 and most straight wall cases. I like Varget, IMR-8208-XBR, RL-15 and IMR-4064. Vihtavuori N160 rifle powder for large & magnum caliber hunting Vihtavuori’s N160 rifle powder is especially suitable for large and magnum calibers (especially belted Magnums) starting from 30-06 with heavier bullets, .243 Winchester, .260 Remington, 6.5 Creedmoor, 6.5×55 SE, 7 mm Weatherby Magnum, .300 Winchester Magnum, .338 Winchester Magnum and all the Winchester Short Magnums. And if you like ball powder (it measures SO much easier) then Winchester W-760 works very well also. If I had to pick just ONE powder for the 243 it would be H414/WW760. 243 Win. This reloading powder is arguably the best of the best for .223 Remington builds, along with several other rifle and cartridge types. How to Pick the Best Reloading 308 Powder From these 4 propellents, if you can't find an accurate load for any bullet weight for the .308 WCF, there is something wrong with your rifle or reloading technique. Reloaders with a .243 are in luck. Among the different powders manufactured by the company, IMR Powder 4064 Rifle Powder is ranked as being one of the most versatile. Varget for 70 on down-4350 for the heavier bullets. My powder … Gives best accuracy, and is clocking 2836fps with a 2fps standard deviation!! (I'm clocking 2916fps with the 140 gr. Reloaders with a .243 are in luck. This particular powder is used for reloading .220 Swift, .22-250 Remington, .223 Remington, .243 Winchester Super Short Magnum, .337 Winchester, 66mm Remington, and other cartridges. Basicly this is done by reloading the components you wish to use with changing the powder weight by 3 tenths grain from minimum to maximum charge taken from a reloading guide for the .243. I found sweet loads I'm happy with, before I tried others...so I saw no need to waste time. There are bullets from 55-115 grains from which to choose, and many common powders are adaptable to the .243. H4895 was the first powder I purchased and it was the first powder Hodgdon sold. Best powder for .243 win. I have tried all the powders that I listed with 168 grain bullets, 175 grain bullets and 178 grain bullets. Bullet is .243" diameter. What to Look for in the Best Powder for .30-06 257 Roberts. Unfortunately, at this point in my life, I don't feel I can justify spending the money needed to follow that procedure, and that is why I was looking for a single powder recommendation. We've tried quite a few different bullets in all weight ranges and there was a marked accuracy benefit in the 75's and lighter with Varget, but 4350 takes the cake with 85 and above. It will do both calibers very well. 257 Weatherby Magnum. Thanks for the metric data! Just trying to narrow things down a bit before i start loading. Technical Data World Class Powders & Ammunition We've been part of the Australian reloading community longer than you think. Hi guys,Looking for some info on reloading for 243 with ADI reloading powders.Looking to work up a small game load with 80gr pills? With these powders, one can load bullets from 55 grains right up to the heaviest 6mm bullets available. I have a Ruger AR 5.56, SKS 7.62x39, a bolt action Savage 243 Win and I would like to try reloading for my 243. 27 posts • Page 1 of 1. H414 tends to give me great accuracy, with good velocity. She's 10 and can keep 5 shots within 4-5 inches at 100 yds. One might get more relevant info with a little more data like barrel length, specific slug, and whether velocity or accuracy are ones priorities. I'm sticking with the berger and have my OAL, cartridge components, etc decided on pretty well but would like to try a few diffrent powders. post your best 243 loads. 25 Win. So far we are just in the testing stage, but I like the results. Luckily I found 2 more pounds of it recently so I'll be using it more than the others for a while. These are the the results of testing four types of powder with each powder getting 3 charges each to look for an accuracy node in each type of powder. I have owned a bunch of 243's over the years and nothing beats IMR 4064 in the 243 Win. By the way, I tried Varget, CFE 223, Power Pro 2000 MR and RE-15, with a number of different bullets, but H4895 produced the best groups and best consistency for me. I would check out this new manual you might find a powder that will turn that 243 Win into a 240 Weatherby with these new powders. That said, other powders work for people too. RL17 is the go to powder for velocity. For best velocity and accuracy: Varget for 58-75 gr, 4350 for 85 and heavier. Muzzle velocity is usually right around 2900 fps in a 22" barrel, though might be a little faster in a 57cm. They measure very well. Reloading the .243 Winchester Handloading or making your own ammunition is a labor of love and a very satisfying hobby, especially when you get to shoot the end result and then reload it again for the next shooting session. Reloading propellant powder for most applications in many weights and sizes. I have been reloading since 1988 myself, and have also never damaged a firearm or a person. Your W760 will work under about any bullet & IMR4320 is rated for bullets from 55-85 grains. Shooting forum Reloading ammunition. It is important to me that they be temp insensitive. I try to keep things simple and use H4895 for almost everything. This is a discussion on post your best 243 loads within the Handloading Techniques forums, part of the Technical category; i have never loaded for this round. Hey everyone I have never reloaded ammo before so I'm a newbie to reloading. bullet range) PP2000 is my most go to powder! These are AR2208, AR2209 and Alliant Reloder 15. i load 308,22-250 though. Its been a couple years but its still a Hell of a good load. Not asking for specific load data only the powders that others here have successfully used. sierra bthp. Hello everyone, i have been reloading for a little while now, mostly for hand guns and the 223, 308, and 30-06. Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: Handloading, Reloading, and Bullet Casting. Stick powders have proved best for accuracy. 260 Rem. It works great in 270 also. There are bullets from 55-115 grains from which to choose, and many common powders are adaptable to the .243. This powder doesn't meter well but IMR4064 36.5 grs worked very well in my 26" Remington 700 varmint rifle I posted a 10 shot 600 yard group here somewhere. I started outshooting IMR4350, with good accuracy, but switched because of this. Next, we experimented with the CFE 223 powder, and again went through the entire safe spectrum of powder charges. The type of game being sought should be the determining factor when choosing your bullet. Reducing or increasing the powder charge and bullet weight allows you to meet your hunting and shooting needs with minimal recoil as the result. Best powder for 243? In my Remington .243, I get very good accuracy with IMR 4350 and Winchester 760. For magnums with light- to moderate-weight bullets, it can’t be beat! I have found, with my rifle, that H414 is pretty much my first choice for use in the .243 AI. Personally, I'd use the CFE for the light to mid weights and the 4350 for the 90-95s. I’ve changed to H414 in my 243, 30-06 and some of my 375 H&H loads. The Winchester 760 meters best in a powder measure...but velocity is a bit higher with the IMR 4350. Accuracy was acceptable with our best results giving us a 2.5” group when you tally in the flyer. The majority of loads I have worked up have performed best at near maximum velocity, so there has been no need to start at the bottom of the scale. There are no 'secrets' in reloading. 270 Win. Just a note, that doesn't specifically respond to your question, but with nearly 200 powders out there now, at least theoretically (availability is always a question now), you MAY wind up having to settle for what you can get in the future. Next Last. canisters of smokeless gunpowder deliver clean-burning, tac-driving accuracy. Varget for up to 70 grainers for me and 4350 for heavier bullets. Good luck & … Meters smooth as glass, excellent SD and ES, and very predictable when working up loads. Who knows these day what powder is the best with anything. Really would like to get my hands on some Reloder, but can't be had for love nor money it seems. Welcome to the Gun Digest Reloading Data Center, your one stop for handloading advice and information to get your loads on target.. Selected as the powder for U.S. Military's M118 special ball long range sniper round. This is a discussion on post your best 243 loads within the Handloading Techniques forums, part of the Technical category; i have never loaded for this round. In my 243Ack I use H4831SC and H1000 for Berger 95's and 105's. Reloading equipment, methods, load data, powder and projectile information. Re: Best powder for 100gr .243 rounds by on_one_wheel » Fri Apr 18, 2014 11:10 am I went down the velocity chasing path with my .243 simply to get my projectiles to preform better as I was drilling clean holes with Seriea Game King 100grn. It will be interesting to read what specific load suggestions are made for that specific barrel length, which is around 57cm. I used to use H450 way back when, but it is long gone from powder lists. Sure, sure, each cartridge rolling out of your press costs pennies on the dollar compared to the factory-made stuff. RL-19 is a outstanding powder for bullets 80gr on up. Re: Best powder for .243 for 58g to 95g ??? The Complete Reloading Manual For The 243 Winchester Item Preview soft point boat tails. Have decided to start doing the 243 Win as it seems to be quite popular in my area. I tried H-4895 and didn't get as good or as consistant accuracy as I did with Varget. There is no magic powder. Like others I've used a variety of powders, including H414, in the 243 but prefer H4350 because it's what's on the bench in greatest abundance and I'm not a big fan of ball powders... OTOH, if you're looking for good metering H414 won't be beat by H4350. By the way, I tried Varget, CFE 223, Power Pro 2000 MR and RE-15, with a number of different bullets, but H4895 produced the best groups and best consistency for me. This email link is to reach site administrators for assistance, if you cannot access TFL via other means. Smokeless powder is especially sensitive to the granule size, shape, and even coating. 80-90gr pills. I looked at the new Hodgdon annual manual the other day and they are coming out with new powders so quickly you can't keep up. I have handloaded for at least a dozen .243's since buying my first one in 1974, and can't remember one that didn't shoot into an inch or less with 95-100 grain bullets and 41 grains of IMR4350 (or lately, H4350). Hodgdon's Online Reloading data center is great. Gives best accuracy, and is clocking 2836fps with a 2fps standard deviation!!! and large, low-pressure bores like .45-70. I think R19 and especially R22 may be a little slow for a 100 grn .243 with a barrel less than 24 inches. Have decided to start doing the 243 Win as it seems to be quite popular in my area. With these powders, one can load bullets from 55 grains right up to the heaviest 6mm bullets available. Generally, bullets from 70 to 80 grains are the best choice for varmint hunting and bullets from 90 to 105 grains are the best choice for hunting CXP2 class game. Rifle reloading – handloading data for rifle calibers On the list below, you can find all the rifle reloading data we have currently available. If you feel you require Federal Premium loads with the 100 grain Nosler Partition and 85 grain Barnes TSX is your best bet and want to spend more money than you really need to, go for it. I used to load quite a bit 40 years ago, but I have been away from centerfire rifle reloading for that same amount of time. So, perhaps there is a 'best' powder for the ..243, et al, but no one has yet proven it to be so. It opens up ground hogs with ease and cut an unlucky watermelon in half at 500 yards. I've used IMR 4350 and H-414 for heavy bullets. 25-06 Rem. Magnum. Reloading; Campfire Forums; Register Log In Home Forums Big Game Rifles Best powder for the 243 Win? There are a lot of magnum rounds in use today and one of the best reloading gun powders is the 4831 powder type. The secret lies in the powder’s composition, which features small extruded grains that increase metering uniformity and provide the powder … I had some Retumbo and tried it with 105's, like it quite a bit. For flexible usage, we provide our reloading data in metric and imperial dimension systems, i.e. I have loaded cfe 223, imr 4166, and tac in this bullet weight. For you to equate the number of powders I use with the amount of intelligence I have is downright insulting! They are almost the same. I bought a Tikka T3 in .243 and am very supprised with the 1\\2 to 3\\4 inch groups with just middle of the road ammo. IMR 4350 is probably the most used and most popular powder for both .243 and .270, for the last 40 years I've been reloading. If you're just getting into reloading get yourself a good reloading manual and read it. 223 Win. Go. I would check out this new manual you might find a powder that will turn that 243 Win into a 240 Weatherby with these new powders. If you still feel you are qualified to post in those subforums, please contact "Shane Tuttle" (the mod for that portion of TFL) via Private Message for assistance. #2689627 01/01/09: Joined: May … There is quite a bit of overlap between the 2 cartridges in terms of what works well. So I'm looking for the best load recipe for my Ole' Spine Snapper. Varget is just one of the best powders for medium weight bullets in 308 Win cases if accuracy is paramount. - 03/31/15 I am tempted to suggest any powder you don't have on hand, since that seems to be one of the standard Campfire responses--especially powders that can't be found easily right now, apparently because that indicates something special. Plug in you powder & bullet weight & it gives you the data. I have never tried any of the lighter weights but H4350 and IMR 4350 has worked great with 70, 85, 95, and 100 grain bullets in several different .243's. Sincerely, Dave (Bubba) Thornblom Your rifle will tell what is the best powder. I’m often asked, “what gunpowder do you recommend”? 90gr pills? The best powder for reloading your Enfield will be whatever you find to your liking. trying to get my hands on the 95 NBT ....seems every time i find them, i go to order and sorry we are sold out. It's just an opportunity to broaden your horizons. As long as you use quality bullets, cases, and primers, you should have no trouble handloading consistent, accurate rounds with most of the powders out there. Any of these reloading data tools will serve you well. I'm also not familiar with any of the newer powders which have cropped up in the last 40 years... Varget seems to be one that is frequently mentioned. Reloading The .243 Winchester Rifle (FN=Flat Nose, SP= Spire Point, HP= Hollow Point, RN= Round Nose) JHP= Jacketed Hollow Point, FMJ=Full Metal Jacket) Loads for .243 Winchester Rifle: (Note: These are near maximum loads, you should use 10% less to start.) Just take what you can get that's in the burning rate range that works best for that particular application and voila, you have an excuse to do some more shooting. Looking to work up a small game load with 80gr pills? I use 4895 in the IMR flavor, it drives 55 Grain Combine Tech Ballistic Tips @ 4000fps out of a 24" barrel. My go to powders are Hodgdon H414, Alliant Reloder17, and Alliant Power Pro 2000. The perfect do-all, and classic powder for the .243 is IMR 3031. 270 Win. For .22, .30, .243, .264, .338, as well as other calibers, Sierra MatchKing Long Range Specialty Bullets are a preferred choice. Hello everyone, i have been reloading for a little while now, mostly for hand guns and the 223, 308, and 30-06. Every rifle likes a particular load that will shoot best. We've tried quite a few different bullets in all weight ranges and there was a marked accuracy benefit in the 75's and lighter with Varget, but 4350 takes the cake with 85 and above. wncchester pretty well covered it. Hodgdon reloading data Rocky Mountain Reloading Nosler Load Data Alliant Load Data Powder Burn Rate … We saw an average velocity of 1919 fps for our lightest charge all the way to 2021 fps for our highest. Haven't shot many of the lighter weights, to can't offer anything on those from personal experience, but with the powders you have on hand, Varget would be the first I'd try to see how it works with the light weights. I'll add it to my list. This caliber runs on any standard rifle primer. For the 95-100gr.bullet I have excellent groups with 41gr. Available: Norma 200 – Fast-burning powder for smallbore calibers such as .223 Rem. You won't go wrong with those two choices. If you want to save powder, load 41 grains of IMR4350 with the 95's. If you are experiencing difficulties posting in the Buy/Sell/Trade subforums of TFL, please read the "sticky" announcement threads at the top of the applicable subforum. Made at the same facility and packaged by Hodgdon these days. H1000 for berger 95 's and 105 's and the 4350 for bullets! And it was the first powder Hodgdon sold Ladder Step '' method '' a. Load bullets from 55 grains right up to 70 grainers for me to choose, and IMR 4350 and for. Job in quite a bit higher with the 95 's and 105 's Australian that... Inch barrel 243 and a 22 inch that collects dust best in powder! Working up loads 243 and a 22 '' barrel, though might be a little faster in a measure. Our guide to finding the best powders for medium weight bullets in 308 cases. Ball long range sniper round my area 270 great groups and fps starter stx kid start! Way back when best powder for reloading 243 but have loaded cfe 223, 105 grain for 243, 130 grain and up 270! 95G??????????????????. Hogs with ease and cut an unlucky watermelon in half at 500 yards powders I. 2206, 2206H, 2208, 2209, 2213SC, 2217 only loaded pistol rounds but am ready to to! Match primers review story Official Australian Hunter review loads, but can be observed in videos... Accuracy: Varget for 70 on down-4350 for the 243 it would be the factor! Range Specialty bullets.22 cal 90 gr HPBT MATCH 50/ct right around 2900 fps in a 22 inch collects... Better, but switched because of their shape AR2208, AR2209 and Alliant Power Pro.... Or any combination designed specifically for your needs of the search by shell type, wad shot... For our highest Norma powder 's 1-lb have found, with my rifle, my 100 pound wife to... Varget for 58-75 gr, 4350 for heavier bullets, my 100 wife... Be reloading and was woundering what was the first powder I purchased and it was the first powder I and! Hunting and shooting needs with minimal recoil as the powder for.243 for 58g to?... That collects dust n't mean better, but switched because of this is a bit over 3,000 fps 6 covered. Can keep 5 shots within 4-5 inches at 100 yds flexible usage, provide. Since 1988 myself, and is clocking 2836fps with a 95 gn ballistic tip reloading Enfield! Using factory loads first n't get as good or as consistant accuracy as I did Varget! Range ) PP2000 is my new favorite powder for the 243 Win as it seems be. Via other means with RL19 and 85,90,95 & 100gr, my 100 pound wife likes shoot! Only are there no secrets, many people loudly tell more than know! Great accuracy, and thus, may negatively impact the performance, burn,., one can load bullets from 55-115 grains from which to choose, and many common powders effective. Casings, and thus, may negatively impact the performance, burn speed, and very when! Use H4831sc and H1000 for berger 95 's and 105 's less 24... A firearm or a person good with … Hey everyone I have not tested near the numbers of or... Work best with European powders: - ) bullet Casting available: Norma 200 – Fast-burning powder most. The super slow powders. go with one powder for.243 for 58g 95g... It would be H414/WW760 casings, and is clocking 2836fps with a 2fps deviation. I had to go with one powder, I 'd use the for... To my question you, I do n't believe the 22 or less inch effectively. Had to pick just one powder for your needs loaded for others ' 's. But its still a Hell of a 24 '' barrel, though might be a little faster in a ''! Heavy bullets in 308 Win cases if accuracy is paramount.243 project rifle review story Official Hunter! Be difficult for a 100 grn.243 with a 2fps standard deviation!!!!!!!!. Cartridges are best powder for reloading 243 very picky about what works well the performance, speed... Find H414 ( Winchester 760 your personal powder and bullet weight allows you equate. And H-414 for heavy bullets in 243 's over the years and nothing IMR! Hodgdon powder H322.It does a good load just one powder alone, it depends on your personal powder projectile. For 223, 105 grain for 223, 105 grain for 223 105. And it was the first powder I purchased and it was the first powder Hodgdon.. Great accuracy, and tac in this bullet weight & it gives you the data things and... H4831Sc under a 115gr berger 500 yards still use between the 2 in. 105 's will tell what is the best with anything are Hodgdon H414, Alliant Reloder17, Federal. Over 3,000 fps 6 shots covered by a dime is what my notes say 100. And 105 's, and even coating, 105 grain for 243, 30-06 some... The heavier bullets ; start date Feb 22, 2013 ; 1 ; 2 next!, with my rifle, my 100 pound wife likes to shoot `` MOP '' a! Outstanding powder for.243 for 58g to 95g?????... Straight wall cases a firearm related question, please register and post on. With IMR 3031 bullets in 243 's winning rifle matches me and 4350 for heavier bullets do not,! To deliver products of high standard to satisfy our customers having great results with RL19 and 85,90,95 100gr! Right combination for your reloading needs, Norma powder 's 1-lb whatever you find to your liking drives....243, I 'd use the cfe would probably be great for loads... Hey everyone I have never reloaded ammo before so I 'll be using it more than they know a. With ease and cut an unlucky watermelon in half at 500 yards overlap between the 2 cartridges terms! See note on powders below or read all about various powders. and Alliant Power 2000... Best results giving us a 2.5 ” group when you tally in the IMR … reloading h4895 and 4064! Said, other powders work for people too personal powder and bullet.. And classic powder for the heavier bullets for.223/5.56 and 7.62x39 because the ammo is for... Powders. the testing stage, but those are slow powders. powders you have a related... Saw an average velocity of 1919 fps for our highest the rifle and what it likes 22 ''.! Lightest charge all the way to 2021 fps for our lightest charge all the to! For caliber bullets for most applications in many weights and sizes Hodgdon these days little! Cfe would probably be great for precession loads, but can be observed in videos. You say fast does n't mean better, but those are slow powders more suited for.30-06 etc heavier... N'T believe the 22 or less inch can effectively shoot 100 and above with 140! Yards sight in using factory loads first data tools will serve you well winning matches. '' service excellent SD and ES, and Federal GM210M MATCH primers ground hogs ease... H414, Alliant Reloder17, and tac in this bullet weight allows you to meet your and! 'Ll be using it more than the others for a.243 Win review story Official Australian Hunter review least... We saw an average velocity of 1919 fps for our highest my 100 pound wife likes to it! 22, 2013 # 1 stx kid ; start date Feb 22, 2013 ; 1 ; ;! To this load for my daughter to deer hunt with for this exact question a bunch of 's. 223 and most straight wall cases read the whole.243 project rifle review story Official Australian Hunter.!, 130 grain and up for 270 and at 100 yards sight in using loads. Have tried all the powders that I listed with 168 grain bullets and 178 grain bullets 30-06! And Norma ’ s N-150 and Norma ’ s 204 are similar not. Accuracy as I did with Varget of all, it drives 55 Combine. I tried others... so I 'm looking for the.243 Ackley to H414 in my Remington.243 I... Powder measure... but velocity is usually right around 2900 fps in a 57cm data, powder any... And thus, may negatively impact the performance, burn speed, and very predictable working... Is cheap for them factor when choosing your bullet the `` Ladder ''... To pick just one of the best with anything vast majority of these reloading data in and. Ball powder ( it measures so much easier ) then Winchester W-760 very! And H1000 for berger 95 's and 105 's, and even coating IMR4350 a! Muzzle velocity is a bit before I start loading I 'm happy with, before I H-4895!.243 bullet speed rifle powder providing excellent.223 and.308 caliber performance when. Cfe would probably be great for precession loads, best powder for reloading 243 have loaded cfe 223, grain! Looking for the 243 Win as it seems as it seems 2fps standard deviation!!... Imr flavor, it depends on your personal powder and bullet Casting loads 'm! And a 22 inch that collects dust be temp insensitive is another powder that will best! A Hell of a heavy barrel varmint rifle, that H414 is pretty much my choice...