The Jefferson Armory M4 Carb Free Float M-Lok Handguard Hogue MBUS AR Build Kit includes everything you need to build your AR rifle, other than the lower receiver. Includes Magpul MBUS sights.
Build kit does not include a magazine.
This Product Includes:
- Upper Receiver Assembly
- Lower Parts Kit
- Buffer Tube Assembly (With 6 position adjustable Hogue stock)
- Hogue Stock and Pistol Grip
- Magpul MBUS Sights
Product Details
Upper Receiver Assembly:
- Caliber: 5.56 NATO
- Barrel Length: 16″
- Barrel Material: 4150 CMV
- Barrel Profile: M4
- Barrel Feed Ramps: M4
- Twist Rate: 1-7 Twist
- Barrel Finish: Black Nitride
- Gas System: Carbine
- Gas Block Type: Low Profile
- Gas Block Diameter: .750″
- Muzzle Device: A2 Flash Hider
- Muzzle Thread: 1/2-28
- Handguard: Jefferson Armory 15″ Low Profile Free-Float M-Lok Rail
- Upper Receiver: Forged 7075 T6 Aluminum
- Upper Receiver Type: M4
- BCG: M16 – Full Auto
- BCG Finish: Black Nitride
- Charging Handle: Mil-Spec
Lower Parts Kit
- AR-15 Fire Control Group
- Safety Selector Assembly
- Bolt Catch Assembly
- Magazine Catch Assembly
- Front & Rear Takedown/Pivot Pins
- Trigger Guard
- Hogue Pistol Grip with Rubber Overmold
- All necessary detents and spring
Buffer Tube Assembly
- Buffer Tube (Mil-Spec 6 Position)
- Castle Nut
- End Plate
- Buffer
- Buffer Spring
Addition Feature
- Jefferson Armory Low Profile Free-Float M-Lok Rail
- Hogue Adjustable Stock with Rubber Overmold
- Hogue Pistol Grip
- Magpul MBUS Sights