Pro-Arms CNC Aluminum Threaded Outer Barrel for SIG Sauer ProForce P320 M17 MHS Airsoft GBB Pistols 400 - 500 FPS Rifles The A5 style folding stock

The A5 style folding stock requires placement of the battery in its front handguard area

Elite Force Item 2262063

In case of double shot problem in replicas with high rate of fire

Prometheus Perfect Metal Chamber NEO (M4 Hopup Chamber

Pro-Arms CNC Aluminum Threaded Outer Barrel for SIG Sauer ProForce P320 M17 MHS Airsoft GBB Pistols 400 - 500 FPS Rifles The A5 style folding stockPrecision CNC machined aluminum alloy construction Weather resistant matte black finish 14mm negative threads for attaching muzzle devices mock suppressors Installs into your SIG Sauer ProForce M17 pistols without modification Manufacturer: Pro Arms Specifications: Compatibility: SIG Sauer ProForce P320 M17 MHS Airsoft GBB Pistols Material: CNC Aluminum Alloy Thread: 14mm Negative (CCW)