Pro-Arms CNC Aluminum Adjustable Lightweight Trigger for SIG Sauer ProForce M17 & M18 Series Gas Blowback Airsoft Pistols pistol holster Version 2 MIG: The MIG

Version 2 MIG: The MIG (MOSFET-Integrated Gearbox) is based off of the G2 Gearbox

Lightweight aluminum construction

Heavy Duty Double Zippers

Lithium Polymer (LiPo) Ready:Yes

and most are pretty easy to install

Pro-Arms CNC Aluminum Adjustable Lightweight Trigger for SIG Sauer ProForce M17 & M18 Series Gas Blowback Airsoft Pistols pistol holster Version 2 MIG: The MIGDESCRIPTION: Precision machined CNC aluminum construction Durable anodized finish Straight trigger for faster, easier trigger pull Adjustable for custom tuning Manufacturer: Pro Arms Specifications: Compatibility: SIG Sauer ProForce M17 & M18 P320 MHS Series Gas Blowback Airsoft Pistols Material: CNC Aluminum