Core15 Roscoe R1 Pistol 5.56/223 10.5" Barrel, Black, 30 Rd Mag

Caliber.223/5.56 x 45 mm NATO

WeightWeight (unloaded): 5 lbs. 6oz.

Upper ReceiverCORE15® Mil-Spec Forged 7075-T6 M-4 Upper Receiver, Type III Class II Hard-coat anodized finish, M4 Feed Ramps, (1913 Picatinny rail flat top) w/ dry lube internal finish and laser engraved T-markings

Lower ReceiverCORE15® Mil-Spec Forged 7075-T6 Lower Receiver, Type III Class II Hard-coat anodized finish, beveled Magwell for improved reloading speed, machined chevrons in front of magazine well, bullet pictogram safety markings

Bolt Carrier GroupCORE15® Mil-Spec Carpenter 158 steel bolt, M16 Chrome Lined 8620 Steel Carrier, Mil-Spec Staked Gas Key, Tool Steel Extractor, Shot Peened

Buffer TubeKAK Industries Pistol Buffer Tube (Ready for SIG SAUER®SB15 Pistol Stabilizing Brace)

Charging HandleCORE15® Hardcore Billet Charging Handle V.2

Barrel/RiflingCORE15® 10.5” 1:7 Twist 4150 CMV Carbine Length Gas System Black Nitride Finish

Flash HiderMidwest Industries Flash Hider

Rail SystemCORE15® Keymod 9.5 ” Rail

GripErgo Swift Grip

Trigger GuardCORE15® Oversized Trigger Guard

MagazineMagpul® 30 rd. PMAG®

Welcome KitCORE15® Manual, Warranty Registration, Stickers, Dog Tags