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Bushmaster XM-15 Complete Upper with Bolt, .450 Bushmaster, 20″ Barrel

MSRP: $699.95


A complete AR-15 upper receiver in .450 Bushmaster.

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This drop-in A3 upper will mount to virtually any standard AR-15 mil-spec lower receiver. With a velocity of 2200 FPS, the Hornady 250 Grain SST/FT bullet in the .450 Bushmaster “Thumper” is ideal for all large North American game. Though not a long distance cartridge, accuracy for the .450 Bushmaster has proved to be exceptional out to 200 yards with felt recoil similar to a 20 gauge shotgun. This AR-15 upper receiver features a tubular aluminum forends allow the barrel to free float from the nut forward, and chrome lining in both bore and chamber makes for long barrel life and easy cleaning.
This complete AR-15 upper receiver assembly comes complete with a charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. The complete upper also features a versatile flat top for mounting optical devices or accessories, making for an excellent hunting rifle.


– Upper Receiver Type: A3 Flat-Top
– Barrel Length: 20″
– Barrel Material: Chrome Moly Steel
– Muzzle Thread Pattern: 11/16″-24
– Chrome Lined: Yes
– Barrel Finish: Black Matte
– Barrel Twist Rate: 1 in 24″
– Chamber: 450 Bushmaster
– Muzzle Device: Izzy Muzzle Brake
– Gas System Length: Rifle
– Handguard: Free Float
– Sights: None
– Bolt Carrier Assembly Included: Yes

Additional information

Weight5.4 lbs
Dimensions31 × 4.25 × 4.25 in

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Bushmaster XM-15 Complete Upper with Bolt, .450 Bushmaster, 20″ Barrel for sale.

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Manufacturer's SKU: 91702

SKU: 301380

Product images are provided by the manufacturer and might not depict the actual product with 100% accuracy. Check the product description to verify it is exactly what you desire.

WARNING: This product contains a chemical known to the State of California to cause cancer. Also, drinking water and breathing heavily has been known to cause cancer by the state of California.

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