Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 20" Barrel
BUSHMASTER 16 INCH HEAVY BARREL 450 BUSHMASTER UPPER RECEIVER WITH 5-RD MAG Regularly: $843.57 Our Price: $650.00 (Excluding tax for Indiana Residents)
450 Bushmaster Rifle - YouTube
897816 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...
BUSHMASTER UPPER 450BSH 20" FT BLK ( only aval till sold out ) $814.99
Size matters! Step up to 300AAC BLK to even the odds. .458 is a little much for an AR but it can be done with 450 Bushmaster "Thumper" if you need to take down a bear.
Video: How to field strip and clean your AR-15
Product detail of Alexander Arms AR-15 Precision A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
Loading that magazine is a pain! Get your Magazine speedloader today! http://www.amazon.com/shops/raeind