338LM, 6.5X47, 308 etc through cans and it works great. This is just my opinion based on quite a few years of playing with subsonics and suppressors. Cci/speer Standard Velocity, 22lr, 40 Grain, Lead Round Nose, 50 Round Box 35Model. Browse Academy Sports + Outdoors selection of subsonic ammo. 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. Gemtech Subsonic 22LR 42 Grain Lead Round Nose 500 Round Ammo Brick 69. No hunters arsenal on any hunting trip is complete without subsonic rounds and cartridges. 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. 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. (For reference, 1 grain equals 1/437.5 ounces. The 22 LR is most commonly loaded with a 40 grain bullet. 338 BR upper on might make it worth doing. The 223 Rem can easily have 12 times more powder than the 22 LR The two rounds’ bullet diameters are in fact virtually identical, but they don’t have the exact same bullet. This subsonic ammo is not designed for barrels longer than 24. This ammo is loaded to SUBSONIC speeds for barrels from 10 to about 22 barrels. Once-fired LC brass, Hornady 55 grain SP (soft point) 1030 fps. On the other hand taking your AR and putting a. Our top selling 223/5.56 SUBSONIC round (priced per 100 rounds). 300 AAC Blackout 220 grain Total Metal Jacket Brass Cased Centerfire Rifle Ammunition (4) 288.49 1.44 - 1.57/Round. 223 caliber bolt-action rifle firing low-velocity (subsonic) ammunition. 22 Long Rifle 40 grain Lead Round Nose Rimfire Ammunition 58.49 0.15/Round. You don't gain enough with the subs to make it worthwhile when you're limited to. Subsonic ammunition is ammunition designed to operate at velocities below the speed of sound. nice groups 100 yds with the 1:8 twist no key holing and cycled great. I think more realistically you build a dedicated subsonic rifle and just shoot regular HV ammo out of your. Re: subsonic 223 that cycles +1 Aguilla 60gr Shoot them out of 20' RRA Varment with spikes tactical conversion shooting 850-970 tested on one of those red shooting Chrony sea level baro 24.5ish.

Subsonic 223 ballistics chart