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RRA CMPLT MID A4 UPR 450BM 16" 5RD
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California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Upper Receivers/Conv Kits
Rock River Arms

Tactical Carbine

$750.00
Low Stock (1 left) CA Compliant

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

Key Details
UPC 842834125548
Part Number 450B0592
RSR Stock # RRA450B0592
Manufacturer Rock River Arms
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In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

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.

Features
  • .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
Specifications
UPC: 842834125548
Manufacturer: Rock River Arms
Manufacturer Part #: 450B0592
Model: Tactical Carbine
Barrel Length: 16"
Capacity: 5 Rounds
Finish: Anodized
Type: Upper