The new CMMG Mk4 rifle in 224 Valkyrie is engineered to deliver on this exciting new caliber’s promise of long-range accuracy and high-energy performance. The receivers are made of forged 7075-T6 AL. The 20” 416SS barrel has been Salt Bath Nitrided and provides superior long-range accuracy and durability. - BARREL: 20” MT 416SS 1:7 twist .224 Valkyrie SBN - MUZZLE: SV Brake Threaded ½-28 - HAND GUARD: CMMG RKM14 - FURNITURE: Magpul MOE Pistol Grip Magpul MOE Rifle Stock - RECEIVERS: 7075-T6 AL Lower Forged 7075-T6 AL Upper - TRIGGER: CMMG Mil-Spec - MAGAZINE: 10 Round 6.8 Magazine - WEIGHT: 7.8lbs (UNLOADED) - LENGTH: 38.25”