IMR 4198 is a relatively fast burning powder for the .223 Remington. To show viewers how to succeed at long range, J. Guthrie gears up for a challenging shot while chasing Colorado pronghorn at long range with DPMS' Panther 6.5 Creedmoor. 0000010557 00000 n It shoots good groups and cycles fine with my AR but after I'm done I'll go back to TAC 2 Reply textbooknarco 2 yr. ago IMR 4198 for AR-15 | Glock Talk I had a 222 and it was.amazing in that cartridge. You are using an out of date browser which is likely incompatible with our website. These estimates are for .223 pressures. A lot of you are out there, and I, myself, fell into this category not so long ago. The list of match bullets is extensive, typically ranging in weight from 52 to 75 grains (even 80- to 90-grain bullets requiring a faster-twist rate than discussed here). CFE 223. Use in smokeless muzzleloader with great success. If so you can check that by using it. 223 Rem 55g Vmax; Varget & IMR 4198 16,412 views Jan 6, 2018 153 Dislike Share 243 Outdoors 8.13K subscribers Testing some 55g V-Max handloads in the 223 Savage Axis. A Savage Model 10 Predator Hunter Max .223 Remington was used to develop the accompanying load data. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. 4198 with a 55 gr. 0000001760 00000 n winchester 748 load data 204 ruger - Nautilusva.com Not capable of the highest velocity obtainable for the cartridge, but I've used it in bolt actions for over 30 years. I don't remember ever trying a different bullet but I might have. and 222 Rem. The maximum listed by IMR for a 55 gr bullet was 21.5 gr back then (2001) and what i used. HVr+S&A(U#`H `hP{z#^\EL9O$$EAL2e|j p,~E3w?#' It's barely on the edge to have enough gas to cycle the actions. but with 55 gr. JavaScript is disabled. I started using IMR 4198 to I worked up a load too 21.5grs with 55gr bullets with a AOL of 2.250. Thompson Center Contenders | Single-Actions 223 using Hornady bulk 55gr FMJ boat tail bullets over Hodgdon CFE223 or IMR 4198. Edit Product. I don't recall any data using I-4198. I used IMR 4198 when I could no longer find VV N120 for 40 grain .223. This donation drive helps fund Cast Boolits for an entire year, and helps support our 2nd amendment rights! I have a hand throw Hornady powder measure and it doesn't meter well. ONLY TWO DEFINING FORCES HAVE GIVEN UP THEIR LIVES FOR YOU. Rick, Your 24.7gr of H4198 with the 39 & 40 is 2.2 gr more powder than Hodgdon recommends for the 33gr bullet. IMR 4198 in 223 - 24hourcampfire Metered perfectly in Lyman digital dispenser and match grade, sub 1 MOA out to 800 yards, Great product, fast shipping over all good consistency. .223 Remington (Hodgdon Data Using IMR Powder) reloading data with 221 loads. 0000009273 00000 n Development of the .223 Remington began in 1957, and it became commercially available in January 1964, about a month prior to U.S. military adoption of its twin cartridge Cartridge, 5.56mm Ball, M193 for the AR-15/M16 rifle. This Extreme series extruded propellant has gone through some changes since its inception while maintaining the identical burning speed of the past. Old Dupont IMR 4198 can be loaded to 21.5 gr with 55gr bullets. Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: Handloading, Reloading, and Bullet Casting. It appears 4198 is not a good choice for AR type guns. /x:^6"]eAfy(Pjch[nc2@:P%N!CvU}V5tFUs4ejng5bVCv[ q:1XQ ZrQ>j?d-pT2G7ZAk^`pl7S|lMaMT/yF"$A@M)Di*9~b4' I like IMR 4198, have used it in .222 Rem. 0000001288 00000 n Heav-ier bullets were excluded, as I am unaware of any commercially made .223 rifles with a twist rate faster than 1:8 (with the exception of the previously mentioned discontinued Savage rifles), which is generally necessary to stabilize select 75-grain and most 80- to 90-grain bullets. Hello guys and thanks for the replys. xHXY%p m^_l +me} C'~af,[sgP You will get great groups with the V-max but not like a 52 or 53 match bullet. IMR4198 - What Cartridges you guys use it in? - 24hourcampfire winchester 748 load data 204 ruger winchester 748 load data 204 ruger The bullets nose profile, i.e., the ogive shape, significantly affects the cartridge overall length (COL). Any use of this content without express written consent is prohibited. However, in direct-impingement ARs, the gas port diameter and how far its located along the barrel are fixed. Following. Barrel Break-In: What It Is. Both spherical (Ball) and extruded powders can give top performance in the .223 Remington. 19.8 grains gave me better accuracy than the loads I had charged with W748 and the same projectiles. Burn rates range from IMR 4198 (fastest) to CFE 223 (slowest). Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-IMR%20Single%20Base%20SDS. Have tried 4198. April 17th, 2019 - Imr 4198 Powder Reloading Data I can find load data with 25 gr Hornady s using IMR 4198 but nothing with 20 N120 is one of the suggested 17 Hornet powders in the latest Hornady manual A few test loads for the 458 SOCOM using IMR 4198 Powder and 300 grain this load data There are two options for acquiring data on the Hodgdon . We'll see. 0000016068 00000 n It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. If I find a bad one, I check the rest and put any that fail to fit the gauge aside. My AR is a 16" Bushmaster M4 chambered in 5.56. Examples include Ramshot TAC (left) and Accurate 2015 (right). I just finished shooting a batch of 53 BTHP using 19.5 grains..it was one of the softest shooting loads i've shot. Beth Shimanski of Savage introduces their all new straight-pull rifle. JavaScript is disabled. Occasionally, I have experimented with varying bulletseating depth to achieve better groups in my bolt actions, but the really short throat of the 223 Rem. Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. . You guys and gals have thrown a lot of information my way. As I recall the AR-15 had a 1-9 tist and the 55gr FMJ was the bullet used. First powder I used in the .223 and good for making some accurate loads, but maybe a little fast for the cartridge. Sierra Pro-Hunter 150 gr. Lighter bullets may be seated to a shorter COL, whereas the heavier (longer) bullets tend to fill up the extended NATO-spec chamber throat/leade. Since reloading for my Mini-14 starting back in the mid 80's I've had excellent results with H335, BLC-2, Win 748, Acc 2230. Don, funny you would mention the 788. Just that, in most applications, you wont find a significant difference than if you simply segregate your cases by headstamp. In spite of stiff competition, the .223 is easily the most widely used centerfire varmint cartridge in the world. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. All I can say is that 4198 is a lot faster and,a lot lighter charge than the powders I use. respective bolt-action designs in the 223 Remington. In short, the NATO cases had less weight and capacity variance than commercial cases. These barrels offer good accuracy with 35- to 55-grain, lead-core bullets that include popular varmint and match designs. I never tried 4198 in an AR because my experience with it in a bolt action .223 was severely underwhelming. Then I trickle the rest in with a battery operated Hornady Vibarator Trickler. bullet weight. Provides very best accuracy in my Cooper 38 in 17 Fireball with 25 grain Berger HP varmint bullets, about 1/2 MOA at 3.600 FPS. Keep up the good work IMR. 0000006710 00000 n Shoots consistently out of my muzzleloader. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more! many years ago long before I had any interest in AR-15s, has reams of 223 Rem. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Not saying whether or not I tried the IMR in a AR? 0000024785 00000 n Redmon adjusts COL so his test rounds will just fit the chamber and then incrementally reseats each five-round batch 0.010 deeper (up to 0.2 inch), searching for that special sweet spot. When shooting his handloads, he single loads each round in a rifle, so COL isnt limited by the rifles magazine length. and lately .223 Rem. My Savage 223 model 110 . IMR 4198 for .223 / 5.56 questions. Very accurate and consistent. I used IMR4198 in my wife's 222 Rem, and have tried it in cast bullet guns from 22 Hornet to 45/70. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Dont know about the Canada made or the. I have loaded 18.5 grs with a 55 gr bullet , still cycled the M16 action. I need about 25 rounds per "match" with 1 or 2 matches per week for league shooting. I don't have a lot to add, was hoping others might chime in first. IMR4198 and .223 | The Firearms Forum New Hornady cases were used exclusively here and were uniform in weight, length, flash hole size, etc. Have found it to be pretty accurate in my Rem model 7. Many do not offer an especially high ballistic coefficient (BC), which is fine for most prairie varmint shooting. All Rights Reserved. 25a - Remington model 48C, 22 cal rifle Remington model 48C, bolt action, 22 Cal rifle with clip 26 - 12 ga Bolt Action Model 583.20 JC Higgins 27 - Winchester Single Shot, Model 37, 20 ga 27a - Winchester model 50 20ga. AR-15 (.223) loads Varget Vs IMR4198 IMR4198 and me - Cast Bullet Forum I haven't seen it as often in the equipment lists for the past years. The Fora platform includes forum software by XenForo. Mag, IMR-4198 was pretty much the go to powder for a couple decades. I tried 7 other powders. __________________ For several reasons, this cartridge was not accepted by the military, but Remington chose to introduce it commercially as the .222 Remington Magnum in 1957-1958. I believe, I am what is keeping it from its full potential. Extremely versatile powder . It burns pretty cleanly. 4198 works excellent in my son's Savage 10 Varmint .223 bolt rifle. Results for the 150 gr. 0000001309 00000 n The accompanying data is intended for .223 Remington chamber dimensions and includes bullet weights ranging from 35 to 75 grains. In checking commercial .223 Remington cases from Federal, Hornady, NoslerCustom, Remington and Winchester, weights varied from 89.5 to just under 95 grains. I worked up to this charge as should you! It has a perfect burning rate for the .222. The gas port in a piston-operated AR is also fixed but may incorporate a size adjustment feature. Several, including H335, BL-C(2), Varget, Benchmark, IMR 8208 XBR, H4895, and CFE 223 have proven to be the most versatile choices with all bullet weights. To develop the accompanying handload data, a Savage Model 10 Predator Hunter Max was used; it features a 22-inch barrel, a 1:9 twist rate and was fitted with a Nikon 3-12x M223 scope. I use a case/cartridge headspace gauge to spot-check roughly 10 percent of my brass after completing case prep. Another one is IMR 4198 (21.6gr.) USE THIS DATA AT YOUR OWN RISK. Reloading 223 Rem./5.56mm is mostly the usual routine. For the .223, I loaded 24.5 grains with the Speer 52 grain BTHP match bullets for about 2850 fps and started shooting 1/2" groups in my Ruger 77 long Range Rifle with very little experimenting. Developing safe and reliable handloads in a bolt-action rifle is less complicated than it is for a gas-operated autoloader. We do not take backorders and our Tech Services team cannot take orders via email or phone. All Rights Reserved. Other powders I've had some success with accuracy are H4895, IMR-4895 and even IMR-4198. 55 gr. Hornady V-max load data - Calguns.net $975.00 $779.99. Their was a run on powder and primers just like the old days during the ammo shortage. In my Savage 10FP 1-10" twist my go to load is the 52 gr SMK with 19.8 gr of 4198 . When you get over 300gn I shoot 70-73gn of H4198 and will try H322 and IMR 3031 today. ~?'W?5UEpx{PL&|i%sc?/y,\ o& g[A . Exactly what I was looking for for my 52 and 53 grain rounds. Of course I never got the 55gr bullet to work well in the 222 Rem either. The .223 Remington was developed as a varmint cartridge. I use 4198 and find it to be a reasonable powder for my application of it in the 55 gr. IMR POWDER 4198 8LB. 0000012054 00000 n It's a very versatile powder with many applications. While .224-inch thick bullet selection for the .223 Remington is broad and typically ranges in weight from 35 to 90 grains, terminal performance varies. Current production IMR-4198 should be Canadian-made and can cycle most AR15's when loaded to maximum loads. Trade only. or a cross section of both? Buy IMR 4198 directly from IMR. They have to operate the gun safely and reliably before you can begin to evaluate their ballistic performance downrange. 450Bushmaster.net View topic - Thoughts on 4198 It worked fine. I had about 250 pieces of Lake City (LC) 5.56 NATO brass already prepped and ready to load. Semi auto Comes with extra barrell (full 2-3/4) Light use very good condition 28 - 12 ga Single Shot Paragon Model WS Powder Charge, Ballistic Curve and Bullet Weight Selection 223 Rem IMR 4198 - Cast Boolits .223 Remington (Hodgdon Data Using IMR Powder) Try this? 0000003156 00000 n I tried some 4198 and can shoot clover leafs at 50 yards (with XS sights even !) I chose two of my favorite 223 Rem. riflesa CZ 527 bolt action and a Sun Devil SD-15 autoloaderto use for this report, and I built a lot of handloads to shoot in both guns. Of course, Hodgdon provides load data for every bullet weight theyve tested with all compatible propellants yielding safe and reliable ballistic data. HV6+.cE) Y$Y8XdO,MFH]0`[Gu%/|m`n`Zh>wOO=||n|nq+4Lv+b,;awwks[GcFx8X3X3;EOS,.ca%?BCAx>9pa. Started using 4198 originally and found it very accurate with 55 gr (mostly what I load). I may list it in the classifieds but thought Id mention it here. His load was 4198, 19.5 grains and a 52 grain hollow point flat base bullet of unknown manufacture. If nothing else, this has been educational for me. Im slowly running out of powder and Im not really sold on the CFE223 powder although I did have 3 pounds during this last round. seirras I highly recommend this powder and fully recommend this company. I is just kidding yaw. Works if you only shoot that cartridge in the same bolt action rifle. Let me ask you this. But as you probably require many rounds being made for your up coming event. IMR4198 for .223 | Northwest Firearms H4198 worked better than the CFE BLK and would be a good second choice in powder for the 125 gr. There is no single max load, since every action, barrel, case, primer, bullet, and lot of powder is different. IMR 4198 has been my .223 powder since about 1981. One of the three most accurate rifles I ever owned. IMR 4198 is a GREAT powder for the 223.. bullet weights of 65 grains and under.. if it isn't accurate in your gun ( I'm a bolt action guy).. its not the powder.. its your gun or the shooter. Much slower from AR's. The H4198 load produced exceptionally light recoil but it still managed to cycle the bolt and strip another cartridge for every successive shot. Even if it shoots good I probably won't buy anymore. As I waited for chronograph conditions, I kept busy plinking my Challenge Target Shoot-n-stake 8" plate. Probably one of the best powders for use in 556 and 76239, very satisfied with my purchase. 0000012032 00000 n IMR 4198 isn't the best powder for 69 gr. But than again not knowing what you use for a powder measure'r ? I found it easy to measure and weigh and made for consistent rounds in Mt 38-55. However, I can come close to the published maximums in any of my rifles, even the 26" barreled M-70. JavaScript is disabled. Copyright 1996-2023 AR15.COM LLC. of IMR4198 and 52gr bullets. My AR is a 16" Bushmaster M4 chambered in 5.56. For a better experience, please enable JavaScript in your browser settings before proceeding. This is a compressed charged (anything over 25gr with 3031 in a 223 Rem case will be a compressed charge) and needs to have a slight crimp in it. I have only shot 4198 in bolt guns, but there is no reason the ammunition would not work well in ARs. Just finished loading some IMR 4198 at 20.0, 20.5, and 21.0 for testing in my 16" AR. Of the powders used to develop the accompanying data, there is not a single right or wrong choice, as all gave respectable accuracy and velocity. It gives good results with good economy, but does not meter so well. IMR 4198 | Hodgdon 223 Bolt Action Rifles for Sale Online - Sportsman's Outdoor Superstore I probably send 3,000 to 4.000 rounds down range most years with IMR 4198. in the 223, with 40 to 63 grain bullets.. Re. I found the IMR 4198 powder is the most accurate powder for my 7.62 x 39 loads. Only trial and error can teach you just how much force is required to cleanly chamfer the pocket lip and not cut away too much of the case material. I don't like how Hornady splits up the 223/5. Most other manufacturers list it only up to 52 grain bullets. My RCBS powder measure hates this stuff. I think you will find much better results with a ball powder, A-2230, H-335, W-748, etc. Is there any milsurp IMR8208 around anymore? "If you can't explain it to a six year old, you don't understand it yourself." A few bolt-action sporting and target rifles have been fitted with 1:14 twist barrels, such as the Remington 40XB, Husqvarna and various Cooper rifles. Despite this, most of the powders used . I have come to the conclusion that if this doesn't shoot accurately in your rifle, nothing will. Hb```"V>M~ 'f 4cT8V_:`TEY eA% I have on hand a few pounds of IMR 4198 that I normally use in my 6.8, and was looking into loading some 55 grain 223 rounds with it. There has been considerable commentary suggesting that the 5.56 NATO case has less capacity than the .223 Remington, and therefore loads must be reduced accordingly. It may or may not cycle. Powder: IMR 4198 36.0 grains Primer: CCI 200 AOL 2.650 I shot some of these this week, and I had three five shot groups all . Scott Rupp gets a chance to talk to Aaron Oelger about a few new products from Hodgdon and why reloading store shelves are empty. I use 4198 to push an assortment of .223 through my 3 bolt action guns. 225 V RIFLE RELOADING DATA I also ran the numbers on my Powley computer and was surprised when it indicated IMR 3031 and IMR 4064 were the preferred choices for lighter weight bullets. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. Traditionally, it propels a 55-grain bullet at 3,240 fps a notable increase in velocity and effective range when compared to the .222 Remington. I weighed more than 10 different lot numbers of 5.56 cases from different manufacturers, as well as checking their water capacity. Some report that it takes maximum charges to make their AR's extract and pick up the next round from the magazine. For a better experience, please enable JavaScript in your browser before proceeding. Thats not to say its just as easy to stuff a 77-grain bullet into the heaviest case youre reloading atop a full charge of BL-C(2) as it is with the lightest piece of brass in the batch. Ordered this to reload 444 marlin. CT Nosler RN generates around 3400 ft.lbs. Clean and inspect the cases, lube and full-length resize/decap, clean, and inspect them again. Mediocre accuracy and velocity combined with lousy metering in the powder measure. IMR 4198 and H4198 are two of the go to powders, for years, in the 222 bench crowd. For more information, go towww.P65Warnings.ca.gov. However, my handloading mentor, John Redmon, who actually got me started in handloading the 223 Rem. Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: Handloading, Reloading, and Bullet Casting. The IMR 4198 POWDER is a favorite amongst both small and large-gun owners. Is there any milsurp IMR8208 around anymore? 1Ki2 =zruz3Y%$dRxu#SD2(?M? 0000001007 00000 n Who knows. This powder is dyed grey-black and the powder kernels are cut longer to more resemble original, Canadian-made IMR-4198. I load 223 in my ar with either cfe 223 for the fmj loads and blc(2) for my varmint and sp loads. Dime sized groups at 150 yds. Well that's pretty quick. Albert Einstein". Back in the (other) bad old days of shortages I had also made up a run of 200 rounds of 55 grain FMJ and put them through a mini-14 without a hiccup. Powder - IMR 4198 - 1lb - Reloading Supplies at GunBroker.com : 973169941 Doing some load development for the Savage Axis 223. A very fun round to shot and easy for my daughter to handle. 0000006732 00000 n The data I viewed from imr shows a max load below what you listed if that is in fact correct.You may ffind a very accurate load for your gun using this powder, if you use it as a single shot. We believe the 2nd Amendment is best defended through grass-roots organization, education, and advocacy centered around individual gun owners. I generally prefer cutting the crimp away. Reloading the 7.6239 mm Russian: Load development with - Rifleshooter My experience shows, generally speaking, the faster-burn-rate choices work better with bullets weighing up to 60 grains. When loading for a 5.56 NATO-chambered AR, the COL is restricted to 2.260 inches. Competition shooters know that the bullets position in the chamber throat/leade can significantly affect accuracy. 09-10-2014, 10:25 PM #6 marshall623 Boolit Master Join Date Jan 2011 Location Va. Posts 656 Its the most accurate powder I've used in my 14" contender with 55gr. [ARCHIVED THREAD] - 223 loads with IMR 4198. In either AR action type, the buffer spring can be replaced to vary the spring rate over a limited range. AR loads to light with IMR 4198 | 1911Forum I had a 222 and it wasamazing in that cartridge. you looking for max velocity, or accuracy? I found this powder to burn clean an not much residue left in the barrel, I really like it. attentiveness vs attention imr 4198 for 223 bolt action. In fact, if all of the propellant gas exits the muzzle (i.e., the primer or cartridge case didnt leak or blow out), youre a long way toward declaring your handload safe and reliable. Can't go wrong. They typically weighed between 90.5 grains and 92.5 grains and on average held around 30.6 grains of water, measured level with the case mouth. Best accuracy has been found at approximately 1/2 grain under published maximum. Pet Loads and Handloader are registered trademarks of Wolfe Publishing Company. Great powder. Compressed charges of slower-burn-rate propellants are more compatible with loading heavier bullets. IMR 3031 Smokeless Powder Smokeless Powder IMR Powder Co. IMR 3031 1 Container Approximate net weight 1lb. We place limited powder inventory for sale on a regular basis on our website. Hope its still the same burn rate? The IMR 4198 POWDER is highly stable due to the presence of high-quality chemical stabilizers used in its preparation. Imr 4198 - CMP Forums - Civilian Marksmanship Program Constitutional Carry may have a trap built in. I used it to reload 223 in a ar-15 pistol with a 7.5 in barrel this product did exactly what I wanted it to do it was accurate and velocities were right where I wanted them to be 2200 FPS with a 55 gr bullet this may not be rifle velocity you want but it is good in short barrel ar pistols. I was down to the bottom of the can of my old supply and was very happy to be able to get a new supply from you. Using Hornady 40g V-Max and IMR4198. Powder For Sale Northern Indiana (South Bend area). Make Offer You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. My barrel is a 1:8 twist though so I switched to a heavier bullet to tighten the groups. New H&R Retro lineup from Palmetto State Armory * Shot Show 2023, Road Trip: Marysville, WA 98270 to JBLM (tacoma, WA 98433), Redfield International sight sets with rear base, Kalashnikov USA 12.5" Komrad with Extras (12 Gauge). IMR 4198 for .223 : r/reloading - reddit If you choose this route, dont get aggressive and recut the pockets too much. I'm not a 223 shooter or owner however, with the two cartridges the 223 more less evolved from, the 222 Rem. I've used between 19 and 20.5 grains of IMR 4198 with mixed results. I'm not a 223 shooter or owner however, with the two cartridges the 223 more less evolved from, the 222 Rem. I have used it only in 444 Marlin. Forum. I always grab what I can when I see it for sale. Brand: Savage. Choose a powder that best fills the case, about 80 to 90% and choose a powder that gives the highest velocity with the bullet you want. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Have many loads sub MOA .223 Remington and 308 rifles. This is simply not true. 4198 with 40 grainers, you can get those going in the 3700 fps range or more.. I do use IMR 4198, but in 45-70 gov't. I use the Hodgdon data to reload all my different rounds. I used it briefly in 223, as for 4227, it was very promising accuracy wise with 300 grainers, but i um, did something dumb with the last pound I had. Depending on the pressure curve generated when firing a round, an AR may or may not function satisfactorily. Great for small and large-bore rifle shooters; Exceptional performance in cartridges like the .222 Remington, .221 Fireball, .45-70, .450 Marlin, and the 7.62 x 39 . I'd move on from that powder to H-335 , IMR 8208xbr or 4895 , AR-comp , Varget , RL-15 the list goes on of powders that will cycle your action even at there start loads . 0000001080 00000 n CAUTION: The following post includes load data generated by calculation in QuickLOAD software based on a particular powder lot, the assumption the primer is as mild as possible, and assumptions about component, chamber and gun geometry that may not correspond well to what you have. Varmint shooters with small-bore cartridges love it. Mostly with the 52 grain bullets. Imr. Buy Powder - IMR 4198 - 1lb: GunBroker is the largest seller of Reloading Supplies Ammunition Reloading All: 973169941. . | 0000002396 00000 n Thank you again. I purchase an 8# jug of IMR H4198 powder for my .17 Hornet NOT my .308 sorry I must have gotten confused. Good cycling out of the AR15. 243, although I agree it's a port pressure issue . Very few AR15's will cycle with H4198 but a few reportedly do. I think I got it for 45-70 but never used it. sometime since then, Hodgdon has gone back to Canadian-produced IMR-4198. IMR-8208XBR or CFE223 | The Firearms Forum sharps4590. I have been looking for alternative powders, but soon everything could be gone. It works good in that straight walled cartridge. For a roll crimp to offer uniform results, cases must be trimmed to a uniform length. Throwback Thursday: 5 Good .223 Remington Loads