Coming in at 24 inches this ENDEAVOR Mk3 has the longest barrel CMMG offers in .308 WIN. Pair it with your preferred optic of choice and you've got a fantastic long-range rifle. Material selection is key to a quality rifle which is why the barrel on this .308 ENDEAVOR is made from 416 stainless steel with a nitride finish for durability and corrosion resistance without sacrificing performance. - 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 - Barrel Length: 24 - Barrel Twist: 1:10 - Barrel Contour: HT - Barrel Material: 416SS SBN - Muzzle Device: CMMG ZEROED Muzzle Brake - Muzzle Thread: 5/8 X 24 - Gas Port Location: Rifle - Gas Block: 0.936 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: Integrated - Safety Selector: CMMG ZEROED 60/90 Degree - Magazine: Magpul 20rd PMAG - Weight: 10.1 - Length: 45.2