SIG Sauer Proforce Spare Magazine For P320 M17 MHS GBB Pistol - CO2 - Tan CO2 Pistols A revolutionary new spool valve

A revolutionary new spool valve design using Breech Sensing Technology and a unique pneumatically latching spool to accurately control the exact amount of air released for each shot completely independently of the solenoid and the dwell time

and Proto loader

Used under license to Planet Eclipse Ltd

A quick disconnect and slide check on/off allows you to de-gas your marker and remove the line without depressurizing the system

FPS Range: 320-350

SIG Sauer Proforce Spare Magazine For P320 M17 MHS GBB Pistol - CO2 - Tan CO2 Pistols A revolutionary new spool valveFeatures: Metal alloy construction Compatible with 12g CO2 cartridges 21 round capacity Specifications: Compatibility: SIG Sauer Proforce P320 M17 MHS GBB Pistol Magazine: 21+1 rounds Gas Type: 12g CO2 cartridge