thompsoncustom Posted September 1, 2014 Share Posted September 1, 2014 I was just wondering if AR comp works like auto comp does in that it produces more gas to help work the comp or in this case a muzzle break on my 308. Link to comment Share on other sites More sharing options...
thompsoncustom Posted September 2, 2014 Author Share Posted September 2, 2014 Hmmm if no one knows maybe I'll have to see if I can find some and test it out. Link to comment Share on other sites More sharing options...
kneelingatlas Posted September 2, 2014 Share Posted September 2, 2014 (edited) OK, I see it now, it's an Alliant powder; I have nothing meaningful to contribute, carry on Edited September 2, 2014 by kneelingatlas Link to comment Share on other sites More sharing options...
Guy Neill Posted September 3, 2014 Share Posted September 3, 2014 I'm not certain I understand what you mean by the two powders working alike. AR Comp is a rifle powder while Auto Comp is a pistol powder. They will each work well in their respective applications, but there is little likelihood you will be able to use AR Comp in handgun cartridges. Guy Link to comment Share on other sites More sharing options...
LoganbillJ Posted September 3, 2014 Share Posted September 3, 2014 You need to look at the burn rate and compare it to other powders you are using. You want a slower powder to produce more gas. I do not have any experience with it so no advice there. Link to comment Share on other sites More sharing options...
FLSlim Posted September 10, 2014 Share Posted September 10, 2014 I can't be much help. Nowhere have I read that it was designed to mimic the characteristics of AC. Rather, it's promoted as being a lower flash/cleaner version of Reloader 15 and is supposed to run best with heavier bullets. Run a google search and you'll probably find many more opinions. FWIW, I've started using AR-Comp early this year when I was running out of 223 powders and it was available. I've been satisfied with it; it meters nicely and produced nice groups with loads from the upper and lower ends of the load spectrum using 55 gr Hornady. I'm getting ready to work on some 69 gr. SMK loads. Link to comment Share on other sites More sharing options...
thompsoncustom Posted September 24, 2014 Author Share Posted September 24, 2014 ya i have not seen anywhere either saying it works like auto comp. I have some IMR 3031 that will work just fine with my 230gr bullet as long as the case will hold this monster at 2.799 OAL. Link to comment Share on other sites More sharing options...
co-exprs Posted December 13, 2014 Share Posted December 13, 2014 Just got word that my club has some AR Comp coming in. I'll be testing in my 308 soon. Link to comment Share on other sites More sharing options...
rjacobs Posted December 14, 2014 Share Posted December 14, 2014 ya i have not seen anywhere either saying it works like auto comp. I have some IMR 3031 that will work just fine with my 230gr bullet as long as the case will hold this monster at 2.799 OAL. you trying to shoot 230g bergers out of .308? Good luck. Those are 300win mag bullets if I am not mistaken. You arent going to get much velocity loaded to 2.800 because you wont get much powder in the case. Im guessing 2200, if that, before you run into MASSIVE pressure signs. Just a guess. Link to comment Share on other sites More sharing options...
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