CMMG Resolute 200 MK4 6mm ARC 16.1" Upper

Resolute 200 MK4 Upper Features The CMMG s RESOLUTE upper receiver group allows you to pair Hornadys 6mm ARC caliber with your existing AR15 lower for superior function and accuracy at extended ranges. Resolute 200 MK4 Upper Specifications Caliber: 6mm ARC Model: Resolute 200 Series: MK4 Barrel Length Range: 16 to 16.99 Sights: None Optic Ready Muzzle: CMMG SV Brake Firearm Fit: AR-15 Handguards: 15 CMMG RML M-LOK Receiver Finish: Black Hard Coat Anodized Receiver Material: 7075 T6 Aluminum Thread Pattern: 5 / 8-24 tpi Twist: 1:7.50 Weight: 4.60 lbs Barrel Description: Medium Taper Barrel Finish: Black Nitride Barrel Material: 416R Stainless Steel Barrel Length: 16.10