CMMG Endeavor 300 MK4 Upper Black 6mm ARC 20 Barrel 10-Rounds Three Magazines

Endeavor 300 MK4 Upper Features CMMG s ENDEAVOR 300 Upper Group Kit is chambered in Hornady s 6mm ARC. Designed for superior long-range accuracy this upper group kit features a 20-inch barrel and includes three 10-round magazines so that you can easily pair with your existing AR15 lower receiver and squeeze out every drop of ballistic performance from this exciting new caliber. Endeavor 300 MK4 Upper Specifications Caliber: 6mm ARC Model: Endeavor 300 Series: MK4 Barrel Length Range: 20 to 20.99 Sights: None Optic Ready Capacity: 10rd Muzzle: CMMG SV Brake Firearm Fit: AR-15 Handguards: 15 CMMG RML M-LOK Includes: 3 Magazines Receiver Finish: Black Hard Coat Anodized Receiver Material: 7075 T6 Aluminum Thread Pattern: 5 / 8-24 tpi Twist: 1:7.50 Weight: 5.50 lbs Barrel Description: Medium Taper Barrel Finish: Black Nitride Barrel Material: 416R Stainless Steel Barrel Length: 20