Save Now | B5 Systems Sierra K Receiver Extension Coyote

Specifications

Weight—-7.07 grams

Material—-Anodized aluminum

WARNING: This product can expose you to chemicals including arsenic, which is known to the State ofCalifornia to cause cancer. For more information, go toWWW.P65WARNINGS.CA.GOV

Product Overview

The B5 Systems Sierra K Receiver Extension provides the receiver extension (buffer tube) component used with the B5 Sierra/Sierra K stock ecosystem. Finished in Coyote, it’s built from durable anodized aluminum for dependable alignment, consistent buffer travel, and a clean look that matches the Sierra K platform.

Key Features

• Coyote finish for a matched Sierra K color appearance
• AR-style receiver extension designed for the B5 Sierra Extension/Sierra K interface
• Anodized aluminum construction for durability and rigidity
• Engineered to support normal buffer tube operation in a standard AR recoil system

Upgrade or replace your Sierra K receiver extension with the correct B5 fitment for a consistent, reliable build.