- Works with both AR-15 and AR-10 lowers.
- The anti-rotational feature of our stainless steel pins will help lengthen the performance of your AR's lower receiver b
- These, along with the Presma Inc anti walk retainer plates , help with preventing premature parts replacement.
- This Presma Inc Kit comes complete with pin installation tool and the two Torx wrenches.
- No modifications to your firearm are necessary to install.
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