If you are unsure of your rifles’ specifications, consult your gunsmith or rifle manufacture for specifications on your rifle. And use a standard buffer spring or one that does not increase the Make sure you do not have any added weights to your bolt carrier. This will NOT stabilize in a 1:8″, 1:9″ twist barrel or slower! Dont see a load you want to use or want to input your own Make a New Load. Priced per 50 rounds.Ĭarbine or pistol length gas system (will not cycle in mid-length or rifle length gas system)ġ:7″ twist barrel or faster (1:6.5, 1:6″). ![]() Most subsonic rounds travel just under 1,115 fps. This is because a subsonic bullet is traveling slower than the speed of sound. NO CRACK When you shoot subsonic ammo, you won’t hear the same crack as you do with supersonic ammo. When it breaks the sound barrier, you hear that sonic crack. This means that the round being discharged will not break the sound barrier to create the distinctively audible crack that supersonic bullets make. This is because supersonic ammo is propelling the bullet faster than the speed of sound. ![]() ![]() 223 Remington/5.56x45mm NATO Muzzle Energy: 275 lb/ft Muzzle Velocity: 1050 fps Application: Tactical Series/Collection: Tactical Cycling Subsonic. This ammo is designed for the AR-15 platform. Subsonic ammunition is any round that travels slower than the speed of sound (less than 1125.33 ft/s). Manufacturer: Atomic Model Number: 00408 Ammo Bullet Type: Soft Point Round Nose Ammo Casing Type: Brass Ammo Bullet Weight: 112 grain Ammo Round Count: 50/Box Caliber Multi. PLEASE read below, the rifle specifications needed for this ammo!!!Īfter years of working on this project, I finally got an awesome cycling SUBSONIC load in 223/5.56 for an AR-15!! 112 grain EXPANDING SUBSONIC bullet! I worked closely with a bullet manufacturer to tweak the bullets and worked with many different powder and powder charges to dial it in.
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