Knights Armament Company

Compatible with all 7.62mm sized KAC QDC muzzle devices.
Optimal for use with 7.62mm NATO, .308 WIN, .260 REM, and 6.5mm CRDMR.
Similar in size to the 762QDC/CRS
Length: 6.5” (16.5cm)
Weight: : 22oz (0.62kg)