CMMG Resolute MK4 6mm ARC 16.1" 10-Round Semi-Auto Rifle Sniper Grey

Diamondback DB15 Obsidian 6mm ARC 18 Threaded Barrel 26-Rounds

San Tan Tactical STT-15 Semi Automatic Rifle 6mm Advanced Rifle Cartridge (6mm ARC) 18" Carbon Fiber Threaded Barrel Anodized Black Frame Black Pistol Grip

Primary Weapons Systems MK118 Mod 2-M 6mm ARC 18 Barrel 15-Rounds

Ballistic Advantage AR-15 Barrel 6mm ARC 18" SPR Contour 1:7" Twist QPQ

CMMG Resolute MK4 6mm ARC 16.1 Barrel 10-Rounds

Radian Model 1 Semi Automatic Rifle 6mm Advanced Rifle Cartridge (6mm ARC) 14.5" Fluted Stainless Threaded Barrel Olive Drab Frame Black Pistol Grip

Maxim Defense Industries MD15L Bazooka Green 6mm ARC 16 Barrel 10-Rounds