CMMG Resolute 300 Mk4 AR-15 .350 Legend Burnt Bronze Rifle

Description

Product Overview

The CMMG Resolute 300 Mk4 is a .350 Legend semi-automatic AR-15 rifle built around a forged 7075-T6 aluminum receiver set and a direct gas impingement operating system. Its 16.1-inch 4140 chrome moly barrel features a salt bath nitride finish, medium-taper profile, 1:16-inch twist rate, and 1/2x28 threaded muzzle with a CMMG SV muzzle brake. A CMMG RML15 M-LOK handguard provides a lightweight mounting platform, while the Geissele SSA two-stage trigger delivers a refined trigger pull for practical accuracy. The rifle is completed with an ambidextrous safety selector, oversized ambidextrous charging handle, six-position CMMG RipStock, and Burnt Bronze Cerakote finish.

Key Features

• .350 Legend chambering offers a versatile option for range use, hunting, and defensive applications.
• The 16.1-inch nitride-finished 4140 chrome moly barrel balances handling and ballistic performance.
• The 1/2x28 threaded muzzle supports compatible muzzle devices and suppressor mounts.
• The Geissele SSA two-stage trigger provides a predictable trigger pull for improved shot control.
• The RML15 M-LOK handguard offers flexible accessory mounting with reduced bulk.
• The ambidextrous safety selector and charging handle support convenient operation from either side of the rifle.

The CMMG Resolute 300 Mk4 combines adaptable AR-15 ergonomics with the capable .350 Legend cartridge in a durable Burnt Bronze package.