Nine Ball "Non-Recoiling" Two-Way Outer Barrel for SIG Sauer ProForce M17 MHS Airsoft GBB Pistol Smoke Wagon compatible with Version 2 based

compatible with Version 2 based M4 AEGs by TM

Eye relief is awesome

032mm inner barrel diameter

Gas: 134A gas

Nine Ball "Non-Recoiling" Two-Way Outer Barrel for SIG Sauer ProForce M17 MHS Airsoft GBB Pistol Smoke Wagon compatible with Version 2 basedDESCRIPTIONS: Lightweight, durable CNC precision machined aluminum construction Fixed barrel does not shift when firing, increasing accuracy 14mm CCW thread adapter for tracer units and suppressors Standard barrel crown included for when you don't need any attachments A dedicated threaded fixed outer barrel for the SIG SAUER ProForce M17. The lightweight and durable CNC machined aluminum build is precision cut to perfectly fit the M17 slide. Add your