The best way to protect your Ruger 10/22 receiver from damage caused by the metal bolt impacting the aluminum receiver each time you fire the rifle is to install one of our custom BOLT BUFFERS.  They are specifically manufactured based on our research and testing to determine the correct material composition as well as durometer.   Their red color will make it easy to verify that you have one installed in your rifle.  You'll find that the buffer has the perfect combination of strength as well as buffering ability. 
The buffers install quickly and easily in place of the original factory rear steel pin with no modifications to your rifle.  You'll like knowing that you're not pounding your receiver unnecessarily and will appreciate the additional quite that the buffer provides.

Buffers are available individually or save more money with a three pack for only $9.99!  Order enough for youself and your shooting buddies while you're at it!