Deploy your favorite stock (or brace) faster than ever. The Fastback Receiver Extension attaches to any firearm that accepts a Mil-Spec receiver extension (buffer tube). Once installed, this allows you to easily pull the stock (or brace) back to an extended position, without pressing a release button.
Personal Position Preset. P3 offers multiple customizable length presets to ensure the stock or brace extends to your personal position every time it is deployed. Simply adjust the indexing screw into one of the holes to customize your preset.
Fastback Receiver Extension 6 Position
Hard Coat Anodized Finish
P3 Screw Included
For information not covered here, or Frequently Answered Questions, check our FAQ Page.
CMMG will ship your firearm to the licensed dealer (FFL Holder) of your choice.
We will contact you within a few business days to complete the firearm transaction and determine which FFL you would like us to ship your CMMG to.
At checkout, when you select your shipping address, just select “same as billing”.
We ship firearms to all states except CA and NY.
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