Core15 M4 AR-15 5.56/223 16″, Flat Top, 30 Rnd Mag


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Manufacturer Number:
223 Remington
Unit of Measure:

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Core15 M4 Piston Rifle .223/5.56mm Caliber 16 Inch Stainless Steel Barrel Picatinny Flat Top Six-Position Retractable Stock 30 Round

Gas piston operated. Mil-spec M4 upper receiver with hard-coat anodized, M4 feed ramps, 1913 picatinny rail flat top with dry lube internal finish. Mil-spec forged 7075-T6 lower receiver with beveled magwell. Sixteen inch M4 profile stainless steel match grade barrwl with 1:7 twist. Adjustable gas settings. Proprietary monolithic, melonite coated bolt carrier. A2 flash hider. M4 style Termoset molded polymer handguards with dual heat shields. A2 pistol grip. Six position retractable stock. 30 round GI aluminum magazine. Owner’s manual included. Manufacturers lifetime warranty.

Core15 holds each and every one of their receivers to exacting tolerances that exceed military standard for smoother functioning, more reliable, and more accurate weapons that provide you with the peace of mind you deserve, whether you’re a weekend shooter or a professional operator.


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
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
16” 4140 Chrome Moly M4 Profile Chrome Lined Barrel 1:7 Twist
Chambered in .223/5.56 x 45 mm NATO
Chrome lined Stainless Steel Bolt Carrier and Bolt Carrier Key
Magnetic Particle Inspected (MPI) Bolt Assembly
A-2 Flash Hider
CORE15 Six Position Retractable Stock
30rd Aluminum Magazine
Weight (unloaded): 5.2 lbs.
Manufacturers Lifetime Warranty

  • Category : Rifles Centerfire Tactical
  • Action : Semi-Automatic
  • Caliber : 223 Remington/5.56 NATO
  • Barrel Length : 16″
  • Capacity : 30+1
  • Trigger : Standard
  • Safety : Lever
  • OAL : 35.5″
  • Weight : 6.2 lbs
  • Stock Description : 6-Position Black
  • Metal Finish : Black