Bushmaster M4A3 Carbine Upper, .223 14.5" Barrel

Description: Bushmaster M4A3 Carbine Upper, .223 14.5" Barrel. Bushmaster parts and accessories are proven with years of real world use in some of the hardest conditions. Feel confident in knowing that are getting Bushmaster factory parts and accessories. Up your AR game with performance enhancing extras. This assembly includes Bolt Carrier Group, Charging Handle & Dust Cover.

• Barreled upper receivers can be used on existing AR15-type lower receivers
• Bushmaster 4150 chrome-moly-vanadium steel barrels feature hard-chrome lining in both bore and chamber for extended barrel life
• All receivers feature integral brass deflectors and hard anodized finish
• Each assembly is factory headspaced, proofed, test fired and ready to use

Note: This upper is for use on an AR Pistol or for NFA registered firearms only. It is the responsibility of the purchaser to ensure this upper is being used in a lawful manner.

Manufacturer: Bushmaster

PRODUCT SPECIFICATIONS:

• Barrel Length: 14-1/2"
• Barrel Thread Pitch: 1/2" x 28 TPI
• Brand: Bushmaster
• Caliber: .223 Rem,5.56x45mm
• Finish / Color: Black
• Firearm Type: Pistol,Rifle
• Material: Polymer,Steel,Aluminum
• Models Fit: AR-15