Rock River ArmsNo image on fileAR-15Specifications
Mfr data- SKU
- 450B0461
Rock River ArmsSKU 450B0461 · LCL-P-386882
Rock River Arms Completed Upper Receiver, Mid-Length A4, .450 Bushmaster, 16 Inch Barrel, 1-24 Twist, 5/8-32 Thread ,Free-Float Handguard, Brake, Black, 450B0461
450 Bushmaster Completed Upper. Developed working with some of the most heavy duty and long lasting substances in existence these AR15 Upper Receivers through Rock River Arms provides you with a product that will give you years of stability.
Upper Receiver
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