American Tactical .450 Bushmaster Complete AR-15 Upper is 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. 100% Made in the USA and Assembled in Summerville, SC.
Specifications
Complete
16"
450 BUSHMASTER
None, Optic Ready
7075-T6 Aluminum
16" to 16.99"
1:24"
Black Nitride
Black Anodized
15" Keymod Rail
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