Blowback Buffer Spacer for use with 9mm/.40/ .357Sig / .45 / 10mm AR style firearms and standard carbine length buffers

-US Made with 7075 Aluminum

-Use when running a carbine buffer with a blow back system instead of buying an expensive longer buffer

-Helps lessen chance of breaking bolt catches by limiting the rearward travel of your blow back BCG

-Helps speed up cycling by shortening overall (necessary) bolt travel when using the shorter rounds/shorter BCG


**Get this product if you are building a 9mm set with a standard buffer system. You DO NOT need a heavier buffer OR spring for 9mm to function correctly. The combination of this spacer, a standard AR15 spring, and 3oz buffer will cycle reliable with OUR parts.

Blowback Buffer Spacer

    Current lead time estimates for this product can be viewed at the top of your cart page.
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