ATI 15MS450BM Mil-Sport Upper Complete 450 Bushmaster 16 in Black Nitride Barrel/7075-T6 Aluminum Black Anodized Receiver 15 in M-LOK Handguard for AR-15

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.

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Capacity:	5rd
Muzzle:	A2 Compensator
Barrel Finish:	Black Nitride
Barrel Length Range:	16" to 16.99"
Type:	Complete
Twist:	1:24"
Series:	Upper Complete
Firearm Fit:	AR-15
Receiver Finish:	Black Anodized
Handguards:	15" M-LOK
Caliber:	450 Bushmaster
Sights:	Optic Ready
Receiver Material:	7075-T6 Aluminum
Barrel Length:	16"
Model:	Mil-Sport