Rock River Arms Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash Hider

Name: Rock River Arms Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash Hider
Brand: Rock River Arms
SKU: 308A0375
Price: 599.99 USD
Availability: OutOfStock

All Rock River Arms upper receivers

Rock River Arms Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash Hider - Upper Receiver for AR-15 - view 1

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Rock River Arms

Overview

The Rock River Arms Completed Upper Receiver features a 16-inch barrel optimized for .308 Win, making it a suitable choice for those looking to build a reliable AR-10 platform. With a mid-length gas system, this upper provides a smoother operation and reduced recoil, which can enhance overall accuracy and control. The A4 receiver type is designed for versatility, and the 1:10 twist rate is ideal for stabilizing a wide range of bullet weights. This upper is commonly used in builds focused on precision shooting and tactical applications.

Specifications

MPN308A0375

Gas System LengthMid-Length

Barrel Length16

Receiver TypeA4

AssemblyComplete

Twist Rate1:10

PlatformAR-10

Caliber.308 Win

Thread Pitch5/8x24

Receiver PatternRock River LAR-8

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Rock River Arms Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash Hider