PRO-ARMS CNC STEEL SIG SAUER M17/M18 AP-STYLE ADJUSTABLE TRIGGER BCM The charging handle shaft is

The charging handle shaft is made from die-cast zinc alloy and the wings’ aluminum skeleton is over-molded with PTS’s customary Reinforced Polymer for the ultimate combination of strength

UMP with V3 gearbox according to TM design

The gearbox internals are what really set these guns apart from their competition

a functioning bolt catch

PRO-ARMS CNC STEEL SIG SAUER M17/M18 AP-STYLE ADJUSTABLE TRIGGER BCM The charging handle shaft isThe Pro Arms AP Style Adjustable Trigger is an easy to install, CNC steel trigger for the SIG AIR (VFC) P320 M17 & M18 series of gas airsoft pistols. The pistol is adjustable for the length of pull, making it ideal for those that love to shoot fast or want to try their hand on the competition circuit. Compatibility: SIG AIR (VFC) P320 M17 Gas Airsoft Pistols SIG AIR (VFC) P320 M18 Gas Airsoft Pistols Includes: x1 Pro Arms SIG Sauer M17 M18 AP Style