The Rock River Arms Operator DMR in .308 Winchester (brand part no. OP1005BT) is a semi-auto designated marksman rifle built around billet upper and lower receivers with a 20-inch barrel. Rock River Arms pairs the barrel with a 2-stage Ultra Match trigger and a threaded A2 flash hider, and fits the rifle with a BCM SOPMOD stock and a Hogue beavertail grip for a stable, precise hold. Magpul MBUS Pro flip-up sights ship installed for a fast backup sighting option. Among precision-oriented carbines in the AR rifles category, the Operator DMR favors shooters who want a .308 designated-marksman platform with match-grade controls.

Key Specifications

• Chambered in .308 Win/7.62 NATO.
• Barrel has a 1:10-inch rate of twist.
• Built on a semi-auto AR-platform action.
• Features a 20-inch barrel.
• Upper and lower receivers are billet-machined.
• Includes a 2-stage Ultra Match trigger.
• Muzzle is fitted with an A2 flash hider, threaded 5/8-24.
• Wrapped in a 17-inch M-LOK handguard.
• Grip is a Hogue beavertail design.
• Ships with Magpul MBUS Pro flip-up front and rear sights.
• Feeds from a detachable magazine with a 20+1 capacity.

Frequently Asked Questions

Does this rifle include sights? Yes, Magpul MBUS Pro flip-up front and rear sights ship installed.

What trigger does this rifle use? A 2-stage Ultra Match trigger.

Are the receivers forged or billet? Billet-machined upper and lower receivers.

Buy the Rock River Arms Operator DMR .308

A .308 designated-marksman platform with match-grade controls is exactly what the Operator DMR delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.