![]() For more accurate stability calculation you actually need to use different approximation formula and consider dynamic stability also. However experience has shown that when using abovementioned calculator SG:s higher than 2 are usually stable for subsonic speeds at least for short ranges. There are of cource exceptions but if the formula shows SG below 2 then the bullet is probably not even worth testing. Yet for subsonic use stability should always be test fired.I think more realistically you build a dedicated subsonic rifle and just shoot regular HV ammo out of your. You don't gain enough with the subs to make it worthwhile when you're limited to. There are subsonic 223 loads listed on hodgdons website. On the other hand taking your AR and putting a. I can get a 60gr bullet to stabilize out of a 1-9 twist barrel at subsonic, so 10gr over a 22lr.You are basically using small amounts of pistol powders not the rifle powders you have for those velocities. 338 BR upper on might make it worth doing. Subsonic 223 Reloading Data Grains of moderately fast pistol propellant and a. You've got a 300gr subsonic telephone pole coming out of the barrel and with good loading and workup with your rifle you can hit dogs out to 500yds with a heavy bullet and do it quietly. LOAD DATA FOR SUPPRESSED USE - M4CARBINE. Blackfork is trying to develop subsonic loads for his. I know some guys think they should have subs for any gun they carry with a can but it makes more sense to carry a suppressed. The Accurate S1250 subsonic 223 loads have been discussed before, but I had not seen many other. Find your best price for 223 Remington Ammo rifle subsonic Best 223 Remington Ammunition rifle subsonic. That way you can take care of any close in stuff quietly and save a lot of time on loading a basic 22LR equivalent in your rifle. 223 Remington Subsonic Loads (Hodgdon data). Atomic Ammunitions 223 Remington Subsonic is unlike any. This is just my opinion based on quite a few years of playing with subsonics and suppressors. or the use of a full powered rifle load would disturb nearby neighbors. 338LM, 6.5X47, 308 etc through cans and it works great.
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