Bolt Action Rifles; Lever Action Rifles; Pump Action Rifles; Semi Auto Rifles; Single Shot Rifles; Other Rifles; Shotguns. IMR 4198 is a fast-burning rifle powder great for cartridges like the 222 Rem, 221 Fireball, 45-70, and 450 Marlin. Most other manufacturers list it only up to 52 grain bullets. 0000001309 00000 n Varmint shooters with small-bore cartridges love it. Introduced in 1965 with the .444 Marlin cartridge, the Model 444 was the most powerful lever action of its day. When loading for a 5.56 NATO-chambered AR, the COL is restricted to 2.260 inches. The Ask the Pros & What's It Worth? It may not display this or other websites correctly. Through my RCBS powder measure, it's pretty crunchy. This powder works great for my 45/70 gov, loads. 4198 produces very accurate ammunition in the .223 (and .222) for 55 grain bullets and lighter. I highly recommend this powder and fully recommend this company. I ended up giving 7.5 pounds to a friend. 1, (4) Ruger M77 MKII All-Weather, (5) Mossberg MVP and (5) Ruger Mini-14 Ranch Rifle. I just finished shooting a batch of 53 BTHP using 19.5 grains..it was one of the softest shooting loads i've shot. Semi auto Comes with extra barrell (full 2-3/4) Light use very good condition 28 - 12 ga Single Shot Paragon Model WS Does not meter well from my XL650, but I check every charge by hand anyway. H322 does ok with Nosler 40 grain BT's but runs just over an inch. 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. Thank you again. Neither the writer, The Firing Line, nor the staff of TFL, nor QuickLOAD's author nor its distributor assume any liability for any damage or injury resulting from use of this information or information derived from it. Burn rates range from IMR 4198 (fastest) to CFE 223 (slowest). I don't recall any data using I-4198. I have come to the conclusion that if this doesn't shoot accurately in your rifle, nothing will. I would certainly recommend it to others for its consistency. I don't have a lot to add, was hoping others might chime in first. There is some people that might give you info that is not any good! I'm dialing in RL15 and CFE223. Have tried 4198. 0000001007 00000 n In spite of the .223 Remingtons name, standard bullet diameter is .224-inch. The H4198 load produced exceptionally light recoil but it still managed to cycle the bolt and strip another cartridge for every successive shot. If people have newer load guides with the newer powders, maybe include all of the above powders that are listed in the same publications too for reference purposes. Examples include Ramshot TAC (left) and Accurate 2015 (right). I also built some specialty 223 Rem. My go to for .444 and .45-70. Their was a run on powder and primers just like the old days during the ammo shortage. I'm not a 223 shooter or owner however, with the two cartridges the 223 more less evolved from, the 222 Rem. My AR is a 16" Bushmaster M4 chambered in 5.56. I haven't seen it as often in the equipment lists for the past years. My experience shows, generally speaking, the faster-burn-rate choices work better with bullets weighing up to 60 grains. Have many loads sub MOA .223 Remington and 308 rifles. Many do not offer an especially high ballistic coefficient (BC), which is fine for most prairie varmint shooting. load. Scott Rupp gets a chance to talk to Aaron Oelger about a few new products from Hodgdon and why reloading store shelves are empty. The most accurate load I use for both of my bolt rifles (1/12 & 1/9 twist) is 20-21gr. They have to operate the gun safely and reliably before you can begin to evaluate their ballistic performance downrange. Ive used 4198 for a few different loads with .223. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more! "My barrel is a 1:8 twist though so I switched to a heavier bullet to tighten the groups.". I burn up 10 lbs of old Dupont IMR 4198 in an M16A1 carbine with a 14.5 inch barrel and a Ruger Mini14. Like a lot of others have posted, I used 21.5 with a 55gr FMJ. My barrel is a 1:8 twist though so I switched to a heavier bullet to tighten the groups. More about them later. Right now I'm liking 24.5gr of RL15. Ive seen a lot of his targets that further confirm the fact that accuracy in bolt actions can be improved in this manner. 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. #1789892 - 01/10/11 11:59 PM Re: 55 v-max and varget in bolt action .223 [Re: SShooterZ] DoubleUp Die Hard Member with a . Some report that it takes maximum charges to make their AR's extract and pick up the next round from the magazine. In my opinion H-4198 or IMR 4198 either are good choices. .223 Remington (Hodgdon Data Using IMR Powder) reloading data with 221 loads. Will buy more when its available. IMR 4198 is a relatively fast burning powder for the .223 Remington. Sure Shot: The barrel has a 1 in 8 twist. 19.8 grains gave me better accuracy than the loads I had charged with W748 and the same projectiles. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. 325gr FTX 46gr Imr 4198. They withstood many reloadings without failure. "Professing themselves to be wise, they became fools" The Apostle Paul in Romans 1:22. Starting at 20.7g, and going up in .5g i. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. The kernels were shortened to improve metering and necessary elements were added to make it insensitive to hot or cold temperatures. Do you mind giving me the IMR4198 load you used on the 50 grain? 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. IMR4198 was popular with the benchresters shooting .222 Rem chambered tack drivers' 50 to 55 grain bullets back in the '50's. %PDF-1.4 % What It Is Not. Contributing Editor for RifleShooter Magazine, Brad Fitzpatrick gives us a review of this modernized version of an iconic favorite. For a roll crimp to offer uniform results, cases must be trimmed to a uniform length. bullets. Both are in the 24 - 25gr range. 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. I think this is an excellent powder and will continue to use it for my 45-70 reloading. 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. Click the Sierra icons here Hodgdon MSDS on the new powder. Not normal. But than again not knowing what you use for a powder measure'r ? All RifleShooter subscribers now have digital access to their magazine content. If ammunition is to be used in extremely cold temperatures, a magnum primer is suggested, especially when using spherical powders. This powder is dyed grey-black and the powder kernels are cut longer to more resemble original, Canadian-made IMR-4198. }"tP2q4M.03#b[s0j;KR 8frU_Gu{s-i>MC>SHjBZi\jy%+1 dUv@GqZa\^(,=z+CM&D([k:fd;(\h u-7 )K HWECcQtRUFxpVRF6C&sh^z.FE_OS 2{emCAE- 6H']nbSn]$6}arsR$^7Uu~2Jed!$P)h+Le?~9Wce7 *+]-t `Ll4 g`50& d;{iCm={k4?|(z8qnXomaIAx If it works well or not depends a lot on the length of your gas system. Shoots great in 3 different bolt rifles. Buy IMR 4198 directly from IMR. x*",`P;e4Ok m > endstream endobj 85 0 obj 124 endobj 55 0 obj << /Type /Page /Parent 50 0 R /Resources 56 0 R /Contents [ 63 0 R 65 0 R 67 0 R 69 0 R 71 0 R 73 0 R 75 0 R 78 0 R ] /MediaBox [ 0 0 387 603 ] /CropBox [ 0 0 387 603 ] /Rotate 0 >> endobj 56 0 obj << /ProcSet [ /PDF /Text /ImageB ] /Font << /F1 58 0 R /F2 59 0 R >> /XObject << /Im1 76 0 R >> /ExtGState << /GS1 81 0 R /GS2 83 0 R >> /ColorSpace << /Cs6 57 0 R /Cs8 61 0 R >> >> endobj 57 0 obj [ /ICCBased 80 0 R ] endobj 58 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 151 /Widths [ 278 278 355 556 556 889 667 191 333 333 389 584 278 333 278 278 556 556 556 556 556 556 556 556 556 556 278 278 584 584 584 556 1015 667 667 722 722 667 611 778 722 278 500 667 556 833 722 778 667 778 722 667 611 722 667 944 667 667 611 278 278 278 469 556 333 556 556 500 556 556 278 556 556 222 222 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500 500 334 260 334 584 350 0 350 0 0 0 0 0 0 0 0 0 0 0 350 0 350 350 0 222 333 333 350 0 1000 ] /Encoding /WinAnsiEncoding /BaseFont /OKLPHC+Helvetica /FontDescriptor 60 0 R >> endobj 59 0 obj << /Type /Font /Subtype /Type1 /Encoding /WinAnsiEncoding /BaseFont /Helvetica-Bold >> endobj 60 0 obj << /Type /FontDescriptor /Ascent 718 /CapHeight 718 /Descent -207 /Flags 32 /FontBBox [ -166 -225 1000 931 ] /FontName /OKLPHC+Helvetica /ItalicAngle 0 /StemV 88 /XHeight 523 /StemH 88 /CharSet (/one/eight/three/V/space/bullet/R/I/F/L/E/O/A/D/N/G/T/S/a/v/g/e/M/o/d/l/\ four/zero/two/quotedbl/x/six/W/i/n/c/h/s/t/r/period/nine/five/C/m/comma/\ H/f/b/u/quotedblleft/hyphen/quotedblright/w/parenleft/k/parenright/p/quo\ teright/y/exclam/seven/B/emdash/j/U/K/q/P/z/slash/Z/semicolon/X/asterisk\ /J/ampersand/Q/question/numbersign/colon) /FontFile3 79 0 R >> endobj 61 0 obj [ /Separation /PANTONE#20355#20C 57 0 R 82 0 R ] endobj 62 0 obj 1814 endobj 63 0 obj << /Filter /FlateDecode /Length 62 0 R >> stream 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 . For a better experience, please enable JavaScript in your browser before proceeding. Clearly, barrel twist rate and chamber throat dimensions do affect accuracy. Some swage, while others cut the pocket rim material out of the way. Using the powder for low pressure cast large caliber bullet rifle loads. None of the cartridges in the accompanying data were crimped, as they were fed and fired in single-shot mode. but with 55 gr. New Hornady cases were used exclusively here and were uniform in weight, length, flash hole size, etc. Damn, I wish I knew what bullet he loaded as he can't remember the brand. If just a pound , I'd give up on it and just get some H-335 and never look back . Hence, many call it the best powder for reloading 223. I still scoop out my powder and dump it in the pan. This powder is one of the best that I have used I have been reloading for about 13 years now and I have relied on this powder for most of my rifle bullets needs. The .223 is inexpensive, easy to use well, low recoiling, and often very accurate even with military ball-type ammunition. While safe in my rifles using my methods of development, please use professional guidance for your own efforts. The bolt-action design affords the handloader a bit more latitude in powder selection than a gas-operated system. Can't go wrong. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. I have had better results with, well, everything else. 0000023828 00000 n These estimates are for .223 pressures. Maybe you'll have no issues but lot's do with 4198 powders in AR's. 0000006710 00000 n Shooter's Reference Load Data for .223 Remington .223 Remington - Published Manufacturer Loading Data Shellholders: Hornady #16 Lee #4 Lyman #26 RCBS #10 Recipe Type: Rifle 55,000 PSI STANDARD SAAMI COMMERCIAL SPECIFICATIONS Pistol CUSTOM LONG THROAT Reduced Load Bullet Weight: ALL 30 gr 34 gr 35 gr 36 gr 40 gr 42 gr 43 gr 45 gr 50 gr 51 gr 52 gr Industry pressure guidelines for the .223 Remington were originally established at 52,000 CUP but today have been changed to 55,000 psi, while CIP is listed at 62,366 psi. It works good in that straight walled cartridge. 225 V RIFLE RELOADING DATA 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 bullets from Nosler BT LF, Barnes VG FB, Nosler BT, SinterFire, Sierra SP, Speer SP, Sierra HP, Barnes TSX FB, Hornady FMJ, Hornady V-Max, Swift Scirocco, Sierra HPBT, JLK VLD, Sierra MK, Berger BT Targ. A Savage Model 10 Predator Hunter Max .223 Remington was used to develop the accompanying load data. 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. It is important to mention that the 5.56 NATO is not fully interchangeable with the .223 Remington. Sierra lists 21.8 gr maximum of IMR4198, for there 55 gr bullets, fired in a Colt 20" barrel Ar15. Have not got a chance to shoot this powder yet but I do have a bunch of charges weighed up and I must say while weighting it out the consistency of the powder looks great. I use both IMR and h-4198 at the same charge weight, 21 grain's with a 55 gr bullet with tight shooting groups. Then I trickle the rest in with a battery operated Hornady Vibarator Trickler. In spite of stiff competition, the .223 is easily the most widely used centerfire varmint cartridge in the world. 4198 with a 55 gr. In the years since, twist rates in AR rifles intended primarily for civilian sales have also been offered with 1:8 and 1:9 twist rates, with some specialty rifles featuring a 1:6.5 twist to stabilize match bullets weighing up to 90 grains. Nonetheless, their average water capacity was almost the same as the combined average of the weighed commercial brass. But maybe there other members who disagree. When loading ammunition to be used in the field, and fired in a variety of actions and rifle types, I prefer a crimp to keep bullets in place. Its performance approached the .222 Remington Magnum (center) introduced in 1957. data showing how varying the bulletseating depth improved accuracy in his bolt actions. Clean and inspect the cases, lube and full-length resize/decap, clean, and inspect them again. I think you will find much better results with a ball powder, A-2230, H-335, W-748, etc. Any use of this content without express written consent is prohibited. As I recall the AR-15 had a 1-9 tist and the 55gr FMJ was the bullet used. Auburn, WA - Man who tried to steal running car shot by homeowner. Some of his best results were with handloads measuring up to 2.320 inches. Great powder. I have an 8lb sealed jug of 4198 that I won't use. I got a 8 pound key of 4198 for my wifes bolt action 223. (only). (pushing 68gr BTHP's) I was using H335 for the 55gr bullets (around 22gr). 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 have only shot 4198 in bolt guns, but there is no reason the ammunition would not work well in ARs. Such data should be approached by working up from published starting loads. H4198 is outstanding in cartridges like the 222 Remington . In 1957, the Armalite AR-15 rifle was in development, and the .222 Remington case was lengthened, its shoulder moved forward and its neck shortened to create a new experimental cartridge that would offer greater performance and properly function in the gas-operated action. Barrel Break-In: What It Is. Use in smokeless muzzleloader with great success. I purchase an 8# jug of IMR H4198 powder for my .17 Hornet NOT my .308 sorry I must have gotten confused. imr 4198 for 223 bolt action. 2023 Outdoor Sportsman Group. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Wife said I had enough bullets, I don't understand! I use the Hodgdon data to reload all my different rounds. Additional experimental cartridges were designed to function in the AR-15 and meet military requirements, including the .222 Special (aka .224 Springfield) that had a shorter case, shorter neck and shorter overall cartridge length than the .222 Remington Magnum. 0000001760 00000 n [ARCHIVED THREAD] - 223 loads with IMR 4198. Burn rates range from IMR 4198 (fastest) to CFE 223 (slowest). Exactly what I was looking for for my 52 and 53 grain rounds. My RCBS powder measure hates this stuff. 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. 0000024785 00000 n 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. CFE 223. Actually Sycamore, you are sort of right. Have loaded thousands of 50-55 grain in .223 with IMR 4198 begining early 80s. Try this? The original load was a 160-gr. Just finished loading some IMR 4198 at 20.0, 20.5, and 21.0 for testing in my 16" AR. The IMR 4198 POWDER is a favorite amongst both small and large-gun owners. $365.09. Don, funny you would mention the 788. Whether your equipment could or perhaps may have trouble metering it. Forum. 0000013745 00000 n of muzzle energy and really puts the Hornady Leverevoltion to shame. HVr+S&A(U#`H `hP{z#^\EL9O$$EAL2e|j p,~E3w?#' Initially, sporting rifles chambered for the .223 Remington and mil-spec AR pattern rifles designed to fire the M193 Ball cartridge featured a 1:12 rifling twist. 4198 works fine for 223, it's just not a great choice for an AR. windshield wiper broke off while driving. This Extreme series extruded propellant has gone through some changes since its inception while maintaining the identical burning speed of the past. I found the IMR 4198 powder is the most accurate powder for my 7.62 x 39 loads. Keep up the good work IMR. 3298 do you have a reloading book? First powder I used in the .223 and good for making some accurate loads, but maybe a little fast for the cartridge. 0000012032 00000 n In either a bolt action or an AR, the chamber and bore may be cut tight or loose. Seems that most don't like it because of the problems with their powder measures - not because of accuracy issues. To cut to the chase. I don't remember ever trying a different bullet but I might have. I know that 22 grains of IMR498 and either a 50 V-Max or Blitzking has been very accurate in every rifle I've fired them in. 4198 with 40 grainers, you can get those going in the 3700 fps range or more.. IMR4198 is used by a lot of cast bullet shooters, loads are in many of the manuals. . I scale my charges most of the time. I use IMR-4198 for my .30BR and 7.62x39 accuracy loads, and will be trying it out using pulled bullets from x39 ammo in x54R reduced recoil loads for my 110lb Granddaughter's scoped M-N 91/30. Never have used that powder in much of anything. Despite this, most of the powders used . Mediocre accuracy and velocity combined with lousy metering in the powder measure. 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. A few examples include the (1) Browning BLR 81, (2) Thompson/Center G2 Contender, (3) Ruger No. . If a magnum primer is used, such as the Federal 205, Remington 7 or CCI 450, it may be necessary to reduce maximum loads, as this small change will increase pressures. I tried AA 5744 and Hodgdon 322 under Hornady 300gr JHP and just couldn't get decent groupings consistently, despite hand weighing every charge. One of the three most accurate rifles I ever owned. Its my go-to powder for cast 308 loads in several rifles. I tried some 4198 and can shoot clover leafs at 50 yards (with XS sights even !) 0000005070 00000 n I generally prefer cutting the crimp away. E,)Y~.x7 )J7_Kz~O]OX8y'b.w`6HQ#R4u ( AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. I found a pound in my stash. Dime sized groups at 150 yds. The Sierra data seems more on line with what I have seen elsewhere, so I will start with their min. Many reviews state that military cases are heavier than commercial brass. Savage 10 FCP-K 223 Rem Law Enforcement Bolt Action Rifle. All this guy needs for brush hunting deer in Maine ! seirras I thought they were different powders. I like IMR 4198, have used it in .222 Rem. I'm wondering if it would make sense because the cost to shoot is quite a bit less. Who knows. Lot's of problems reported using light charges of 4198 especially with short stroking and not picking up the next round in the magazine. Next, remove the residual rim of brass around the pocket. Even if it shoots good I probably won't buy anymore. 0000003156 00000 n Make Offer Mostly with the 52 grain bullets. 223 Rem 243 Win 25-06 Rem 260 Rem 270 Win . Reloading 223 Rem./5.56mm is mostly the usual routine. 21.8 grs 3,000 ft/sec in 11.5" BCM 1 in 7 CL, 22.1 grs 3,397 ft/sec in 18" Rock Creek 1 in 8 melonited fired suppressed. Works if you only shoot that cartridge in the same bolt action rifle. Location and size of the port has a direct effect. I need about 25 rounds per "match" with 1 or 2 matches per week for league shooting. You will get great groups with the V-max but not like a 52 or 53 match bullet. Old Dupont IMR 4198 can be loaded to 21.5 gr with 55gr bullets. I have used IMR-3031 with 55gr Sierra HPBT, 55gr Hornady SP, and 55gr Hornady V-Max with charges in the 25gr-26gr range with CCI BR-4 primers. This means you have the option to read your magazine on most popular phones and tablets. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. 0000007976 00000 n Give a Gift 0000014422 00000 n The Lee Factory Crimp die also works very well and provides a reasonably uniform crimp, even when using cases that are not all exactly the same length. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. Can't imagine the 223 would be much different. Varmint shooters with small-bore cartridges love it. While the 5.56 NATO and .223 Remington are very similar, due to chamber differences and barrel twist rates, it is best to separate load data. Hodgdon IMR 4198 smokeless rifle powder is just the fast burning propellant you'll want for small bore varmint shooter rifle cartridges. This is my Varmint load for my VTR-15 RIFLE (22" barrel). I just cant find a load start/max charge and velocity and OAL for it. bullet weight. This combination has proven to be very good from a number of rifles, not only mine. (SAAMI) Bullet : .224, 62, Nosler HP 35631 Useable Case Capaci: 26.121 grain H2O = 1.696 cm Cartridge O.A.L. of IMR4198 and 52gr bullets. Real world testing provided different results. When we are sold out, we are sold out. Never a problem. MSDS Start low and work up as always. IMR 4198. The only draw back is the V-Max 53's need a 1-9 or 1-10 to shoot accurately in the 223s'. It is a bit too fast for optimum results with heavier bullets. I purchased this powder to reload 45-70 for my sharps rifle, I dont load them to hot as I want something enjoyable to shoot all afternoon target shooting. Another step Ive found to be necessary when reloading for 223 Rem./5.56mm autoloaders is verifying the headspace. Most of my children started hunting deer and antelope with the .223 and have shot dozens of deer. My pacific Rifle powder measure'r doesn't seem to mind metering it. Also, I read that it works great with my .223. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Just that, in most applications, you wont find a significant difference than if you simply segregate your cases by headstamp. Copyright 1996-2023 AR15.COM LLC. Ive tried several of the swaging tools, but for me personally, the process is a hit-or-miss procedure. I use a case/cartridge headspace gauge to spot-check roughly 10 percent of my brass after completing case prep. Just make sure you use IMR data not H data as these are not the same powders. le-de-France is densely populated and . Very accurate and consistent. CAN. It was in the Hornady manual and the power was available so I picked it up. When you get over 300gn I shoot 70-73gn of H4198 and will try H322 and IMR 3031 today. 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. Outstanding. Thats all there is to it except for a couple of additional steps that are required to prep military cases and brass. Why? I use 4198 to push an assortment of .223 through my 3 bolt action guns. All I have left for .223 is some IMR 4198 until my backordered 748 ships. Bolt Action Shotguns; Lever Action Shotguns; Over Under Shotguns; Pump Action Shotguns; Semi Auto Shotguns; Side By Side Shotguns; Single Shot Shotguns; Other Shotguns; Even if a fella only had, say a 30/30 barrel, being a single-shot, it's very easy to load it to make 50-yard head-shots on squirrels with a little lead and and a pinch of powder. 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. Because burning propellant has only one purpose in a bolt gunto propel the bullet out of the barrel. Examples include the Hornady 53- grain V-MAX with a G1 BC of .290, the Nosler 55-grain Ballistic Tip (.267 BC) and Sierra 55-grain BlitzKing (.271 BC). For more information, go towww.P65Warnings.ca.gov. Thanks for the help guys. It quickly outsold the .222 Remington and the rather new .222 Remington Magnum, causing those two cartridges to quickly fall from popularity. The load data says a min of 18.8 grains up to a maximum of 20.4. The cartridge is available in bullet weights of 36 to 80 grains. IMR-4198 is probably too slow for most uses in the 450b.--Bob. Probably one of the best powders for use in 556 and 76239, very satisfied with my purchase. We believe the 2nd Amendment is best defended through grass-roots organization, education, and advocacy centered around individual gun owners. I've had friends that couldn't get a gun to shoot good groups,and ran this load in them,and got great results. His load was 4198, 19.5 grains and a 52 grain hollow point flat base bullet of unknown manufacture. Much slower from AR's. Then back to a (published here) max load of 4227 for 300 gr jacketed bullets. 0000007954 00000 n With an Accu-Fit stock and left hand adjustable bolt, this rifle is a perfect choice for anyone! 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.