CMMG Mk3 AR-10 .308 Win, 24 in Stainless Heavy Barrel, FDE, PRS GEN3 Stock, Free-Float Handguard, Threaded with Muzzle Brake
This CMMG Mk3 is a large-frame AR-10 pattern rifle in .308 Win built around a 24-inch stainless heavy barrel and finished in FDE. It features a PRS GEN3 precision-adjustable stock, a free-float aluminum handguard with a continuous 12 o'clock Picatinny top rail, and a side-port muzzle brake on a threaded muzzle. It accepts LR-308/SR-25 pattern magazines and comes in excellent overall and bore condition with an adjustable bipod and one 20-round PMAG included.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Specific Condition Details: Light carbon build-up is present in typical wear areas.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
What's Included
- Adjustable bipod mounted to handguard
- One 20-round Magpul PMAG LR/SR 7.62x51 polymer magazine
The Mk3 uses a large-frame AR-10 pattern receiver set with an integral trigger guard. It includes a dust cover and omits the forward assist. The rifle runs a semi-automatic, direct-impingement system with a manual safety selector and a standard T-handle charging handle. It accepts LR-308/SR-25 pattern magazines and has a 20+1 capacity.
The 24-inch stainless steel barrel is a heavy-profile design and is threaded, with a side-port muzzle brake installed. This configuration supports stability and consistency associated with long, heavy barrels while providing a durable, corrosion-resistant bore.
Furniture includes a Magpul PRS GEN3 precision-adjustable stock in FDE with adjustable length of pull and cheek rest, plus QD sling sockets. The listed length of pull is 15.5 inches. A Magpul pistol grip complements the setup.
The free-float aluminum handguard features a continuous 12 o'clock Picatinny top rail with a 15.0-inch rail length. An adjustable bipod is mounted to the handguard. The receiver and furniture carry an FDE finish. Made in the USA.