If you want to deliver a hard hitting round at long-range and still have a well-balanced rifle when walking through the field the 20-inch ENDEAVOR Mk3 in .308 WIN is a prime candidate for the job. Trusted for decades by hunters and marksmen alike .308 WIN delivers excellent results up close and at extended distances and can pack quite a punch. - Each CMMG ENDEAVOR rifle is purpose-built for long-range performance with everything from the Magpul MOE rifle stock to the ZEROED muzzle brake and every part in between selected for its utility to the avid marksman. - The EML 15 handguard maximizes customization potential. M-LOK attachment slots at the 12 3 6 and 9 o�clock positions give you plenty of real estate to mount accessories while the Picatinny rail sections allow for easy and solid mounting points for sights and accessories. - Platform: Mk3 - Caliber: .308 WIN - Operating System: Direct Impingement - Barrel Length: 20 - Barrel Twist: 1:10 - 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 7075 T6 Aluminum - Lower Receiver: Mk3 Billet 7075 T6 - Hand Guard: CMMG EML15 M-LOK - Finish: Cerakote Standard - Charging Handle: CMMG ZEROED Ambi - Pistol Grip: CMMG ZEROED Pistol Grip - Buffer Type: Rifle Mk3/AI - Receiver Extension: CMMG A1 Extension - Stock / Brace: Magpul MOE Rifle Stock - Trigger Type: Mil-Spec Single Stage - Trigger Guard: CMMG ZEROED Trigger Guard - Safety Selector: CMMG ZEROED 60/90 Degree - Magazine: Magpul 20rd PMAG - Weight: 8.8 - Length: 41.2