TTI - 6.03mm 120mm Inner Barrel GBB Cut GHK M4 or if the magazine is

or if the magazine is empty

Dimensions: 17mm x 11mm x 45mm

Piston not included

- Compatible with TM/WE and UMAREX/VFC Glocks

Enhance the reaction force to speed up the blowback cycle

TTI - 6.03mm 120mm Inner Barrel GBB Cut GHK M4 or if the magazine isTTI 6. 03mm 120mm Inner Barrel The TTI 6. 03mm 120mm Inner Barrel is a precision tight bore upgrade barrel, GBB cut and ideally sized for the AAP 01 and other compact gas blowback pistols. Machined to a true 6. 03mm internal diameter, it tightens the air seal around the BB to deliver improved accuracy and consistency in a short barrel platform. The 120mm length is a direct drop in upgrade for the AAP 01, helping you get the most from your pistol