Bushmaster Firearms AR-15 Upper 300 AAC Blackout 16" Chrome Lined Barrel Flat Top M4 Quad Rail 92866

AR-15 Bushmaster Upper 300 AAC Blackout 16" Chrome Lined Barrel Flat Top M4 Quad Rail 92866

This Bushmaster A3 upper assembly will attach to virtually any standard AR-15 lower receiver. Comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. With a 1 in 7" twist, the 16" chrome lined barrel provides outstanding accuracy that has been enjoyed by competition shooters worldwide. Pre-ban style upper includes an AAC Blackout Flash Hider.



•Upper Receiver: A3 Flat-Top

•Barrel Length: 16"

•Barrel Contour: Medium

•Barrel Material: 4150 Chrome Moly Steel

•Muzzle Thread Pattern: 5/8"-24

•Chrome Lined: Yes

•Barrel Finish: Parkerized

•Twist Rate: 1 in 7"

•Chamber: 300 Blackout

•Bolt Carrier: Commercial

•M4 Feed Ramps: Yes

•Muzzle Device: AAC Blackout Flash Hider

•Gas System Length: Carbine

•Gas Block Diameter: 0.750"

•Handguard: Quad rail free float



Manufacturer: Bushmaster
Model: 92866

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