| PART NUMBER | 100279 |
| 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 Hardcoat anodized finish, M4 Feed Ramps, (1913 Picatinny rail flat top) with 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 of magazine well, bullet pictogram safety markings |
| BOLT CARRIER | CORE15® Proprietary Monolithic Melonite Coated Bolt Carrier |
| CHARGING HANDLE | CORE15® HARDCORE V.1 |
| BUFFER TUBE | CORE15® Standard Mil-Spec |
| GAS TUBE | 304 Grade Stainless Steel |
| BARREL | CORE15® 16” M4 Carbine Profile, 1:8 Twist 4140 CRMOV Chrome Lined, Black Nitride. |
| RAIL SYSTEM | Picatinny flat top Gas Block (optics-ready design) |
| FLASH HIDER | A2 Flash Hider |
| SIGHTS | N/A |
| HANDGUARD | M4 Style Thermoset molded Polymer Hand Guards with Dual Heat Shields |
| GRIP | A2 Pistol Grip |
| STOCK | CORE15® Six Position Retractable Stock |
| TRIGGER GUARD | CORE15® Oversized Trigger Guard |
| MAGAZINE | Magpul® 30 rd. Magazine |
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