Description Features Full steel construction paddles CNC stainless steel barrel Includes 3 Position Selector (MTW-SA-107) or Semi Selector (MTW-SA-116) Short Arm (MTW-M-175) Screw (MTW-H-122) Compatibility MTW M4 MTW-9 MTW-308 MTW Shotgun MTW AK ✔ ✔ ✔ ✔ ✘ When using the three-position selector with a board with optical sensor, you will need to prepare your selector barrel as indicated below. *Stickers included with order.
