CORE15® M4 Piston Rifle


Part Number 100279
MSRP $1289.99
Weight 6.2 lbs. (2.81 kg) Unloaded
Caliber Chambered in .223/5.56 x 45 mm NATO
Upper Receiver CORE15©  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 Receiver CORE15© 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 strap, bullet pictogram safety markings
Bolt Carrier Group CORE15© Proprietary Monolithic Melonite Coated Bolt Carrier
Charging Handle CORE15© HARDCORE Charging Handle V.1
Gas/Piston CORE15© Adjustable Gas Piston Assembly with Adjustable 3- Position Gas Settings
Gas Settings Adjustable Gas Settings
Barrel/Rifling CORE15©  16” M4 Profile 1:7 5R Twist, 4150 CRMOV Chrome Lined
Flash Hider A2 Flash Hider
Rail System Picatinny flat top Gas Block (optics-ready design)
Stock/Grip CORE15© Six Position Retractable Stock, A2 Pistol Grip
Trigger Guard CORE15® Oversized Trigger Guard
Magazine Magpul® 30 rd. PMAG®
INCLUDES AS STANDARD CORE15® Hardshell Case, CORE15® Welcome Kit – Owner’s Manual, CORE15® Lifetime Warranty Registration, Stickers, Dog Tags
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