SIG Sauer 556 Arms Forum banner
1 - 2 of 2 Posts

·
Registered
Joined
·
127 Posts
You do not need the buffer spring, that is for the AR only. You have a Sig and it is a totally different system. The UBR has all you need. I have installed several on the SIG. Word of note! be careful not to loose the spring and ball behind buffer plate. It operates the locking detent for your rear receiver take down pin.
 
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top