JMAC Customs 1913 Folding Mechanism
- Clamps on any "1913" or "Picatinny" 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.