Action Army 6.03mm VSR-10 G-Spec Barrel 300mm Pins GEN3 Ultimate Sighting System (USS)

GEN3 Ultimate Sighting System (USS) 3-9X40mm scope with Red Micro Dot optic (DDAB)

The regulated Co2 output will keep you field legal

The 8-slot is good for longer scopes and heavy red dots

The Nine Ball Dyna Piston Head for Marui Gas blowback airsoft pistols

Upgraded airsoft Cut Off Lever by Prometheus

Action Army 6.03mm VSR-10 G-Spec Barrel 300mm Pins GEN3 Ultimate Sighting System (USS)The Action Army 6. 03mm VSR 10 Barrel 300mm. Fits inside the VSR10 G Spec rifle. Works with Tokyo Marui and clone VSR10 shorter GSpec airsoft sniper rifles. This is a 6. 03 inner barrel diameter, so it allows for less jams and tolerances than the 6. 01mm. A very popular choice as an alternative to the Prometheus. One piece high grade metal machined. Precision smooth inner bore with nickel plating. This inner barrel is an upgrade to improve your gun's