![]() ![]() If you try these you'll need to start a bit lower and work up to see what shoots well, functions in your rifle and is safe. I do wish there was some info on preparing the primer pocket of the 5.56 Nato round,i.e. The load with the BLC2, also below max in the Lee manual, is 27.0 grains. Edwards, I much enjoyed your article on reloading the. I've not seen pressure signs with my rifles (except for the 16" when I first built it and had a headspace issue - now I check every one I build - no matter if internet wisdom says checking headspace on an AR15 isn't necessary). My Lee manual shows 21.5 grains of IMR 4198 is max for. People say 21.0 grains of IMR4198 is above max load. The problem may be the bullets, not the powder. ![]() I did some experiment with CFE223 but didn't see any loads worth repeating but that was all testing those solid copper 55 grain FMJ. I need to experiment with it some more but I got into pressure signs when I went higher than those good shooting loads (in an effort to get some loads that shot well and functioned in the 20" rifle. All these powders are appropriate in the listed loads. My problem was that the loads that gave me good groups in my 16" carbine would not function in my 20" rifle when the temps dropped into the 30's. The Hodgdon Reloading Data Center (RDC) lists 21 different powder types that can be used in the. L6: 2.260 inch 57.40 mm Barrel Length : 16.0 inch 406.4 mm Predicted Data for Indicated Charges of the Following Powders. If it works out I'll run out my IMR4198 and just buy BLC2 for 55 grain FMJ Horndady/.223 reloading from no on. 224, 62, Nosler HP 35631 Useable Case Capaci: 26.121 grain H2O 1.696 cm³ Cartridge O.A.L. I'm still dragging my butt about getting to the range to shoot some of them with "modern" powder. Surprise, surprise, I felt the groups were very very good so I shot them, or had them shot, in three other family AR15's within a month and again all of those rifles did very well with them. A couple months back I shot some of them one day at the range, through my latest AR15 (18" stainless steel upper from PSA). I loaded up the left overs of the 30 year old can of BLC2 and put them in a jug. He chose H335 (no weighing) and swears up and down it gave him the best groups in his rifle. It is really hard to find a 'bad' powder for the. We went through all that again (adding Varget and IMR4895 to the list of powders) when my youngest son wanted to start reloading for his 20" barreled AR15. Have also used with good results, Accurate 2230, Accurate 2460, H-335, Accurate 2520, Reloder 15, IMR-4064, and Accurate 4064. You have to weigh each charge, but it's shoots nice groups. When I started loading for the AR15's with 55 grain FMJ bullets I went back to IMR4198. I tried IMR4198, W748, H322, H335, BLC2 and maybe one or two others. I was loading 45 grain bullets for my M700 Varmint Special. From a varmint shooter’s standpoint, the. (69, 68 compared to 168gr bullets) Sorry about my chicken scratch in pencil doesn't have anything to do witht the 69 SMK info.I've been a fan of IMR4198 since the early 80's. (Certainly the case was not stretched to create the above cartridges, but rather was the basis for them.) Suggested overall cartridge length is 2.130 inches. My buddy pointed out how close a couple of the shots were to the 308's Just proof that the 223 and 308 are near identical in ballistics except of course for retained energy. The taped up shots were from 300 yrd line off to the right was a ladder test I was working on. Fired a 3 shot group to get on paper then adjusted and shot this 5 shot group. Mostly I wanted to get my come ups from 100-300-600. If I wouldn't have tossed that one out to the left side it would have shot inside the. BTW these are Sierra seconds bought at the factory in Sedalia Missouri. I just put this rifle together and haven't tweaked the load at all not bad for the little 223. Shot this at 600 the green lines connect the 69 smk load and the red lines connect a 168gr AMax load also with IMR 4895. IMR 4895 23grs Win Brass Win primer 2.260 oal ![]()
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