AMERICAN TACTICAL IMPORTS RIA Milsport 450 Bushmaster Upper 16" Parkerized

ATI 450 Bushmaster Upper, 16" Parkerized

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