FM-SM-1913 - 1913 Folding Mechanism
- Clamps on any "1913" or "Picatiny" Rail
- Works with all of our ArmBar, Skeleton Stocks and Skeleton Tubes
- Works with SIG MPX/MCX folding braces/stocks
- Folds Left or Right
- Has 2 height adjustments
- 4140 HT
- Black Nitdride
- Torque spec: 20 in/lb.
- Adds approx .5" to stock/brace length
- Allows your stock/brace to lock in the folded position