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sorry it is not cold hammer forged specs PART NUMBER 100278 WEIGHT 5.9 lbs. (2.68 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® Mil-Spec Carpenter 158 Steel Bolt, M16 Chrome Lined 8620 Steel Carrier, Mil-Spec Staked Gas Key, Tool Steel Extractor, Shot Peened CHARGING HANDLE CORE15® HARDCORE V.1 BUFFER TUBE CORE15® Standard Mil-Spec GAS TUBE 304 Grade Stainless Steel BARREL CORE15® 16" Government Profile 1:7 Twist, 4150 CRMOV Black Nitride Finish RAIL SYSTEM N/A FLASH HIDER A2 Flash Hider SIGHTS Forged

This is not a "Cold Hammer Forged' Barrel. You can verify at CORE Customer Service at: 352-401-9070 Monday-Friday 8:00am - 6:00pm Saturday: 10:00am - 4:00pm Sunday: Closed