Description
10.5″ .450 Bushmaster AR-15 Pistol Upper
- 10.5″ 4150 barrel in .450 Bushmaster
- Magphos coating
- .750 at the shoulder
- Carbine length gas system
- 5/8×32 threads
- Slim Flash Can
- The upper is built on a standard upper with an enlarged ejection port
- 12″ MLOK handguard w/ integral handstop
- Comes complete w/ Nitride BCG & Charging Handle
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