Pistols - GBB Brass Inner Barrel Upgrade Size:Double Bell Hi-Capa With the regulator body coming

With the regulator body coming it at just 0

Two fan shaped magnets are arranged in the motor to form a large magnetic field and increase the torque from the side

8mm Bearings/Bushings

Reinforced piston head will provide extra duration during rapid & prolonged firing

The main pivot pin of the trigger is made from Titanium for maximum strength and durability

Pistols - GBB Brass Inner Barrel Upgrade Size:Double Bell Hi-Capa With the regulator body comingGBB Pistol Brass Inner Barrel Upgrade Internal Diameter: 7. 08mm Material: Brass Made in house at Command Elite Hobbies lathed Brass Inner Barrel, designed for your pistol These barrels have a 7. 08mm inner diameter. The method behind this is to create an even air pocket between the gel and barrel, giving it a more accurate escape from the barrel. These are made of high quality brass material. The quality upgrade will see improvement in FPS numbers