CALIBER: 7.62mm rated up-to .300 RUM – RATINGS: Belt Fed Rated – DIAMETER: 1.5 – LENGTH: Standard Configuration: 6.5 Short Configuration: 5 – WEIGHT: Standard Configuration: 15.1oz Short Configuration 11.8oz – FINISH: Cerakote – MATERIALS: – Baffles: Cobalt 6 Alloy core – Tube: 17-4 PH Stainless Steel – Mount: 17-4 PH Stainless Steel – FEATURES – Interchangeable Front Caps (7.62mm and 5.56mm available) – Monolithic 17-4 PH Stainless Steel Mount – Quick Detach Dual Taper Locking System – Unconditional Lifetime Warranty – INCLUDES: – 7.62 R3 Flash Hider (5/8×24 Thread Pitch) – 7.62 Front Cap – Micro30 Suppressor – Operator’s Manual – ADAPT Module – Micro30 Logo Sticker – End Cap Tool