TTI - 6.03mm 120mm Inner Barrel GBB Cut GHK M4 Piston not included

Piston not included

Includes single stack adapter

and it has great weight distribution

Puff Dino Power Up Performance Red Gas - 560ml

TTI - 6.03mm 120mm Inner Barrel GBB Cut GHK M4 Piston not includedTTI 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