2022年6月19日 · I have had success with IMR-4198 in 223 AR's, but the loads must be selective high end loads. Several years ago there was a magazine article with loads for AR's and how their sourced the data for each load. One load they had that was interesting was a 62 grain FMJ Hornady bullet with 21.0 grains of IMR-4198.

2011年9月27日 · I have been re-loading bullets for my AR-15 in .223 for 2 weeks now and am confused by the 14 bullet weights just on the chart for one powder manufacturer. I have been loading the 55 grain weight for target shooting and am interested in finding out what weight, and why, others use in the .223? I realize that the .223 is used in other platforms.

2010年10月24日 · AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry About AR15.COM AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types.

2014年10月17日 · My 77gr .223 Loads: 77gr Sierra Match King or 77gr Nosler Custom Competition HPBT 23.5gr 8208xbr Remington 7.5 primer LC matching headstamp Brass 2.260" oal 77gr Sierra Match King or 77gr Nosler Custom Competition HPBT (Also works with Hornady 75gr Match HPBT, however my rifles don't like them …

2016年9月21日 · CFE 223 and 55 gr fmj are a interesting combo. to get the same velocity other powder i have used, tac and 2230 i have to use 8-10% more powder. also the tac and 2230 loads in 16 and 20 barrels in my AR's only varied about 100 fps while the cfe was 250 -300 fps difference between the two barrel lengths.

2010年6月10日 · So if I zero my .223 at 25 yards, where should the impact be. Im going for 100 yard zero. Not really concerned with the ammo type, lets say wolf since I have alot of that. Just a close guess. Ive had good luck with the ak doing this, figure there is a number for the ar too.

2009年6月26日 · All will be more costly than the basic .223 equivalent since they are more specialty and therefore high cost to manufacture or configure. Check out the other calibur formums, both off this site and on. The AR-10/.308 AR platforms use a different sized lower due to the round being longer than would fit in a .223 magazine/mag well.

2020年9月10日 · I have 15K of CCI 400 and having other SR primers don't need to use these in .223, been using WSR almost exclusively since started reloading for .223. No problems ever with WSR. I'll experiment with the 400's next time I do .223 but the CCI 400 are supposedly identical to the CCI 550 SPM primers, so I can use the 400's for 357 magnum, etc

2010年10月6日 · A very simple and easy to do reaming of a .223 chamber to 5.56mm specs is an easy and completely safe conversion. And please note, the ONLY difference between the two kinds of chambers is the leade and freebore-the part of the chamber where the bullet starts out and where it transitions from unrifled to rifling.

2013年5月10日 · The same loads when tried in a bolt action .223 Rem showed very scary pressure signs in hot summer temperatures. AR's often show little pressure signs until pressure is dangerously high. Just don't work up to levels shown in some data manuals in cool temps with 748 and expect to shoot the same loads at 95 degrees in a hot chamber.