EntityQ965451· pop 10· linked from 125 articlesBarrett REC7Sign in to saveassault rifle based on M4 CarbineConnectionsAR-15–style rifleEntity6.8 mm Remington SPCEntitydirect impingementEntityInternational Standard Book NumberEntitymachine gunEntityrifleEntitypistolEntityUnited States ArmyEntityshotgunEntityM16Entitysubmachine gunEntitycartridgeEntityassault rifleEntitycarbineEntitysniper rifleEntityM4EntitysuppressorEntity5.56×45mm NATOEntityHeckler & Koch HK416EntityBarrett M82EntityCategories5.56×45mm NATO assault rifles6.8mm firearmsAR-15 style riflesArmaLite AR-10 derivativesAssault rifles of the United StatesBarrett firearmsSemi-automatic rifles of the United StatesShort stroke piston firearmsWeapons and ammunition introduced in 2007