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Rock River Arms Tactical Carbine
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.

Rock River Arms

Tactical Carbine

$790.00
Low Stock (1 left) California compliant

Rock River Arms Tactical Carbine, Complete Upper Receiver, 458 SOCOM, 16" Barrel, RRA Operator Muzzle Brake, RRA 15" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly SOC0564

Key Details
Brand Rock River Arms
Manufacturer Part Number SOC0564
UPC 842834111916
SKU RRASOC0564
Current Stock 1 available
Quantity Updated Apr 26, 2026 6:20 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
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 complete Tactical Carbine upper is an A4 upper chambered in .458 SOCOM with a 16" chrome moly bull barrel and 1:14 twist. Additionally the upper comes with a complete bolt carrier group, charging handle assembly, 15" RRA lightweight M-Lok compatible free float rail and a RRA Operator brake with a a 5/8-32 thread pitch.

Features
  • .458 Socom Chamber
  • 16-Inch Chrome Moly Bull Barrel, 1:14 Twist
  • RRA Operator Brake / 5/8–32 Thread
  • Low Profile Gas Block
  • RRA Lightweight Free Float Rail, 15 Inch Extended
  • Bolt Carrier Group And Charging Handle Assembly
Specifications
UPC: 842834111916
Manufacturer: Rock River Arms
Manufacturer Part #: SOC0564
Model: Tactical Carbine
Barrel Length: 16"
Finish: Anodized
Type: Upper