The CMMG Resolute 300 MK4 Rifle is engineered with purpose for those who refuse to compromise on quality. Each Resolute rifle comes with a 16-inch barrel and is designed for balance, accuracy and maneuverability. Specifications: – Manufacturer CMMG – Model Resolute 300 MK4 – UPC 816422024131 – SKU 55AC758-SG – Caliber 223 Rem | 5.56 NATO – Barrel Length 16.1" – Capacity 30 + 1 – Finish Sniper Grey Cerakote – Grips Black Magpul MOE – Action Semi-Auto – Barrel Description 4140 Chrome Moly – Barrel Finish Sniper Gray Cerakote – Handguards CMMG RML15 M-LOK