For those seeking to train with their AR style rifles chambered in .308 (7.62 x 51), 7.62 x 39, or 300 Blackout (7.62 x 35), they provide the Flash Bolt adapter. Attaching easily onto your Laser Ammo Flash Bolt within seconds, this adapter allows you to swiftly prepare for training sessions using your firearm. This pairs great with Laser Ammo's Smokeless Range and reactive targets for true CQB or active shooter training.