The result, though, is to create a gross headspace condition, and the 223 case can rupture if fired in the 222 Magnum chamber. Available: Norma 200 – Fast-burning powder for smallbore calibers such as .223 Rem. canisters of smokeless gunpowder deliver clean-burning, tac-driving accuracy. 4. 223 powders Hi; Two suggestions; 1. buy a reloading manual there are several good ones. The two are not interchangeable, although the 223 will chamber in a 222 Magnum rifle. I've been loading 55 grain amax, SP or those cheap midway dogtown bullets over 25.5 grains of Varget for some time now. If you plan to shoot this in an AR type rifle with a stock barrel, don't waste your time trying to get close to the lands, the bullet will fall out of the case first. Reloder 15 is a great gunpowder for 69 grain bullets in .223 Rem. Designed specifically for your reloading needs, Norma Powder's 1-lb. RL1200-R - Ball powder form of RL10X From what I know about reloading for .223 is that it isn't picky which powder … RL10X - Good in 6.8 SPC and probably would work for lighter .223 bullets 5. Benchmark is ideal, and used to be one of my standard accuracy powders for testing 224" bullets in the 223 Rem. Meters well, give good velocity and outstanding accuracy. Be diligent when using the suggested Varget or any cylindrical powder in a progressive press, they have a nasty habit of bridging on a 223 case resulting in a low charge in one case followed by an overcharge in the following case. By the way "Mr." Cooper is still on my "black list" for his blatant support of hussein obama during last falls election! These two are better suited to the heavier bullets, like the 77s we mentioned earlier. (personal experience) Arnaki The 223 Remington is nearly identical to the 222 Remington Magnum, the only difference being that the 223 has a slightly shorter case. Best of luck with the Cooper Rifle. All but H-4831 & H-380 are usable in the .223. I use Federal Match Primers, but have found CCI, Wolf and most any of the other small primers work equally as well. and other medium-capacity cartridges. Factors to consider are clean burning, temp sensitivity, consistency, accuracy, efficiency, metering does not matter, I weigh every charge by hand and then load cases one at a time. Depending on bullet weight, I'd probably lean toward Varget, H-4895, or IMR-4064. 2. 223 Remington: 52 grain Berger MEF bullets, LaPua brass, Federal 205 M (match) primers and H 335 powder. and large, low-pressure bores like .45-70. What is the best .223 powder for 55 grain bullets? I shoot A Savage .223 Model 12 VLPDBM and load for pure accuracy. Your best load will be about 25.0 to 25.2 grains; don't start there. Norma 202 – Best for .308 Win. I'd suggest you decide on a bullet weight you want to use, then look at your reloading manual and pick the best performing of your powder choices. Cartridge : .223 Rem. But I use WW-748 ball powder and have since 1970, so what do I know! My best loads out of this rifle is a Berger 53 gr FB bullet being pushed by 28.7 gr of BLC-2. Accuracy isnt super critical, this is for plinking only. The lighter ones, like the 55s, will need a faster burning powder. Whats your favorite powder for .223 rem 55 grain bullets? Re: Favorite Powder for .223 « Reply #22 on: November 25, 2008, 10:52:23 am » Like Marshalldodge was writing, VihtaVuori N-135 and for lighter bullets N-133 are very fine and clean burning. (SAAMI) Bullet : .224, 62, Nosler HP 35631 Useable Case Capaci: 26.121 grain H2O = 1.696 cm³ Cartridge O.A.L. rc But given the burn rate of Varget (and price ) I got the hankering a different powder is probably more suitable. I'm out of powder suitable for .223 and am going to buy some. I've tested several powders and bullets over a couple of years.
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