Designed to be a flat shooting round at medium to long ranges 6.5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on the Mk4 platform and works with any standard AR15 lower group. Available in six different Cerakote finishes all CMMG Upper Groups come complete with bolt carrier group and ZEROED accessories including: - ZEROED AR15 Polymer Dust Cover - ZEROED AR15 Ambi Charging Handle - ZEROED Muzzle Brake 6.5mm - Platform: Mk4 - Caliber: 6.5 Grendel - Operating System: Direct Impingement - Barrel Length: 16.1 - Barrel Twist: 1:8 - Barrel Contour: MT - Barrel Material: 416SS SBN - Muzzle Device: CMMG ZEROED Muzzle Brake - Muzzle Thread: 5/8 x 24 - Gas Port Location: Rifle - Gas Block: 0.750 Non-Adjustable - Upper Receiver: Billet 6061 T6 Aluminum - Hand Guard: CMMG EML15 M-LOK - Finish: Cerakote Standard - Charging Handle: CMMG ZEROED Ambi - Weight: 4.3 lbs - Length: 25 Main Features Caliber: 6.5 GRENDEL Barrel Length: 16.1 Finish: Cerakote Standard Weight: 4.3 lbs Other Features Ar-15 Accessory: Y Barrel Contour: MT Barrel Finish: MATTE BLACK Barrel Length In Inches: 16.1 Barrel Material: STEEL Barrel Twist: 1:8 Caliber/Gauge: 6.5 Gren Charging Handle: CMMG ZEROED Ambi Color: Black Dimension: 3.45x4.50x31.10 Gas Block: 0.750 Non-Adjustable Gas Port Location: Rifle Hand Guard: CMMG EML15 M-LOK Height: 3.4500 Length: 31.1000 Muzzle Device: CMMG ZEROED Muzzle Brake Muzzle Thread: 5/8 x 24 Operating System: Direct Impingement Other Features: COMPLETE UPPER GROUP, Platform: Mk4 Rate Of Twist: 1:7" Upper Receiver: Billet 6061 T6 Aluminum Width: 4.5000 Part Number: 64BCF88AB UPC: 810097504738

Ships to 51 states

Our shipping policy for every state at a glance. Hover a state for the short reason.