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Mfg Item #: 15MS450BM
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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
ATTENTION: If you are ordering the last of an available quantity and you do not check with an associate of Crossroads Firearms before placing your order. You may be at risk of getting a full refund/ cancellation if our in house inventory or distributors are out of stock before your online order has been processed.