AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail

AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail Includes:

WEIGHT: 2.5 Lbs

OVERALL LENGTH: 15"

PLATFORM: AR-15

CHAMBER: 300 BLK

BARREL MATERIAL: 4150 CRMOV 

BARREL LENGTH: 5"

BARREL FINISH:  BLACK NITRIDE

TWIST RATE: 1/7

MUZZLE THREAD: 5/8X34

MUZZLE DEVISE: SPITFIRE

HANDGUARD: 4" SLIM PROFILE MLOK

GAS SYSTEM: MICRO

DOES NOT INCLUDE BCG AND CH. CAN BE PURCHASED SEPARATELY