14MM COUNTER CLOCKWISE THREADING FITS MOST M4S

In summary

The bridge type tensioner creates 3 points of contact with the BB for ultimate grip

and Picatinny rails

ASG CZ P-09 FDE Unicorn 14MM COUNTER CLOCKWISE THREADING FITSThe CZ P 09 is a full size tactical Airsoft pistol with an integrated rail for mounting light and or laser. Manufactured under license from CZ, this airgun is designed from the original technical drawings, resulting in a realistic look and smooth handling. Its blowback function makes the plastic slide move with every shot fired, creating strong recoil, adding to the shooting experience. This model which features a plastic slide is more gas efficient