AR15 Carbine Receiver Extension Kit
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specifications

Manufacturer:

CMMG

Type:

Buffer Kit

Platform:

AR-15

    AR15 Carbine Receiver Extension Kit

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    None CMMG None None None $92.99 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    In the middle of an AR-15 build? Don't worry about all the parts at the butt-end of your AR-15. CMMG has you covered with the company's AR-15 Receiver Extension Kit, providing you with all the components you need to complete the receiver extension on your gun. Each CMMG Receiver Extension Kit includes the company's six-position receiver extension, ensuring that users get the most in adjustable length-of-pull from their guns. Combined with that are the Carbine-style buffer assembly and action spring, which are designed to run reliably with most standard, carbine-length AR-15s on the market. Mfg: Cmmg

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