Adapter and Folder with SB Tactical SBA3 Adj. Brace for the Master Piece Arms .45 acp. Easy to install on your MPA .45 using our adapter, no drilling or welding. The adapter bolts to your gun using a machined set screw underneath and an adapter that cradles the rear of the receiver. **TELL US IN THE COMMENTS SECTION OF YOUR ORDER IF YOU HAVE AN OPEN BOLT MAC-10, WE NEED TO GIVE YOU A DIFFERENT BOLT AND INNER THREADED BLOCK.
