RRA CMPLT MID A4 UPR 450BM 16" 5RD
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RRA CMPLT MID A4 UPR 450BM 16" 5RD
Rock River Arms Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16" Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 5 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 450B0592
$ 781.23
Est delivery:
Thu Jun 06 - Sat Jun 08
only 12 in stock
Free shipping

When purchasing Rock River Arms or any other brand from eGoods365.com store, you can be sure that (a) you are purchasing from US based company with the most responsive and friendly customer service; (b) an authentic, not a counterfeit and not a refurbished product.

$ 781.23
Est delivery:
Thu Jun 06 - Sat Jun 08
only 12 in stock
Free shipping
...
Free 3-5 Day Shipping on Orders Over $350
Detailed info

When purchasing Rock River Arms or any other brand from eGoods365.com store, you can be sure that (a) you are purchasing from US based company with the most responsive and friendly customer service; (b) an authentic, not a counterfeit and not a refurbished product.

Rock River Arms A4 mid-length upper comes chambered in .450 Bushmaster with a 16" chrome moly 1/24 twist barrel. Additionally this upper includes a RRA 13" M-Lok compatible lightweight free float rail and a RRA Operator Brake (5/8-32 thread). This is a complete upper with bolt carrier group, charging handle assembly and a 5 round magazine.
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Product Highlights
  • .450 Bushmaster
  • 16 Inch Chrome Moly, 1:24 Twist
  • RRA Operator Brake, 5/8-32 Thread
  • Low Profile Gas Block, Mid-Length Gas System
  • RRA 13 Inch Extended Lightweight Free Float Rail
  • Bolt Carrier Group, Charging Handle Assembly
  • (1) Magazine, (5) Rounds

Product Specifications
  • Accessories
    : 1 Magazine
  • Barrel Length
    : 16"
  • Capacity
    : 5 Rounds
  • Finish
    : Anodized
  • Caliber
    : 450 Bushmaster
  • Manufacturer
    : Rock River Arms
  • Manufacturer Part Number
    : 450B0592
  • Model
    : Tactical Carbine
  • Type
    : Upper
  • Sub Category
    : Complete Upper Receivers
  • Color
    : Black
Fit
AR-15
Other Information
Purchased together
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