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Mfg Item #: 15MS450BM
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.
| Width | 6.4000 |
|---|---|
| Height | 3.9000 |
| Length | 28.2000 |
| Caliber | 450 bushmaster |
| Dimension | 3.90 X 6.40 X 28.20 |
| Barrel Finish | MATTE BLACK |
| Rate Of Twist | N/A |
| Ar15 Accessory | Y |
| Barrel Material | N/A |
| Barrel Length In Inches | 16 |