If you are zero’d at 100 yards with normal full power supersonic 223 or 5.56 ammo, your point of impact (POI) with the subs will be about 6″-12″ low at 100 yards. This ammo will NOT cycle an AR-15!!! It will shoot fine out of an AR-15, but you will need to manually cycle the bolt. The 55 grain SP bullet is marginally stable in a 1:12″ twist barrel at subsonic speeds, and should not be shot in any slower twist rate.
If you have a 1:12″ twist, you will need to check bullet stability first before shooting through a suppressor. This ammo is designed for 1:10″ twist or faster (1:9″, 1:8″. This ammo will NOT cycle an AR-15, but you can manually cycle the bolt. This subsonic ammo is not designed for barrels longer than 22″. 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. Our top selling 223/5.56 SUBSONIC round (priced per 100 rounds).
