CMMG Resolute MK4 5.56 NATO 16.1" 30-Round Semi-Auto Rifle

The CMMG Resolute MK4 is a semi-automatic AR-15 pattern rifle chambered in 5.56x45mm NATO, built for general-purpose shooting with a 16.1-inch barrel and a 30-round capacity. Its direct impingement operating system uses a mid-length gas port and a non-adjustable 0.750-inch gas block, and the barrel is 4140CM SBN steel with a 1:7 twist and a 1/2x28 muzzle thread for the included muzzle brake.

The upper receiver is billet 6061-T6 aluminum and the lower is forged 7075-T6 aluminum. The rifle uses a CMMG EML15 M-LOK handguard, a drop-in trigger, an ambidextrous charging handle, and a RipStock stock on a carbine buffer tube with a 6-position fastback extension. It weighs 6.4 pounds with an overall length of 32.5 inches and a Cerakote finish. Magazines are Magpul 30-round PMAG units.

• Caliber: 5.56x45mm NATO
• Action: Semi-Auto
• Barrel Length: 16.1"
• Barrel Twist: 1:7
• Capacity: 30 Rounds
• Weight: 6.4 lbs
• Overall Length: 32.5"
• Finish: Cerakote, Armor Black