CMMG 55CA6C7 Receiver Extension Kit AR-15

$59.09 58 in stock

Complete carbine receiver extension kit for AR-15 builds. Includes 6-position mil-spec buffer tube, carbine buffer assembly, and action spring.

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CMMG Receiver Extension Kit for AR-15

This is the essential component for completing your AR-15 lower receiver assembly. The CMMG Receiver Extension Kit provides everything needed to finish your build with quality mil-spec components.

What's Included

  • 6-position mil-spec receiver extension (buffer tube)
  • Carbine buffer assembly
  • Carbine action spring
  • End plate

Why You Need This

Whether you're building your first AR-15 or completing a lower receiver that's been waiting for the right parts, this kit streamlines the process. The carbine-length configuration is the standard for most modern AR-15 rifles, offering a balance of handling and performance.

How to Use

Combine this receiver extension kit with your choice of lower parts kit and buttstock to complete your lower group. The mil-spec design ensures compatibility with standard AR-15 components and aftermarket accessories.

Quality Construction

CMMG manufactures this kit to mil-spec standards, ensuring reliable function and durability. The components work together as a system to manage recoil and cycling properly.

Features

  • designed to work with both standard 5.556mm nato ar rifle builds
  • high quality anodized aluminum

Attributes

Color: Black
Model: Carbine, AR-15
Type: Buffer Tube Complete Assembly, Buffer Tube Kit, Collapsible
Firearm Type: AR Platform
Finish: Black
Firearm Model: AR-15
Tube Included: Yes
Positions: 6
Specification: Receiver Extension Kit
Rails: None
Material: Aluminum/Steel/Polymer