Caliber/Gauge
450 BM
Barrel Length
16"
Color
Black
This drop in ready, upper receiver assembly features a forged aluminum Mil-Sport AR-15 pattern upper receiver with a 16" barrel with 1:24 button cut rifling and black nitride finish chambered for 450 Bushmaster. Completed with a 15? aluminum free floated key-mod rail system over a carbine length low profile DGIS gas system, A2 style compensator and black nitride finished bolt carrier group. Fits to any AR-15 pattern lower receiver.
450 Bushmaster Caliber
16? Black Nitride Barrel
7075-T6 Forged Aluminum Upper Receiver
15? Free Float Key-Mod Rail System
Low Profile, Carbine Length Gas System (DGIS)
A2 Style Compensator
Black Nitride Finish Bolt Carrier Group
450 Bushmaster Caliber
16? Black Nitride Barrel
7075-T6 Forged Aluminum Upper Receiver
15? Free Float Key-Mod Rail System
Low Profile, Carbine Length Gas System (DGIS)
A2 Style Compensator
Black Nitride Finish Bolt Carrier Group
