The new Mechtech CCU with the M4 collapsible stock is now easier to stow away for easy access  as well as the ability of reducing the length for a better shooter fit. The MechTech Carbine conversion with the collapsible stock will no fit  shorter operators and officers wearing Body armor.M4 Collapsible Stock for the Glock CCU - Shown below fully extended and fully collapsed. Stock has 4 lockable positions. The CCU fires with stock fully collapsed. The latch is ambidextrous.

The Mech tech carbine conversion is available for the Mid-size and full-size Glock 9mm/40sww handguns as well as the 1911 style handguns. We only stock the 45acp caliber conversion for the 1911 handguns, all other calibers will be special order.

The Mech Tech Carbine Conversion Unit (CCU) is a handgun accessory (not a firearm). It replaces the slide on your Glock or 1911 frame* thereby converting your pistol into a powerful yet compact semi-auto carbine rifle.  The Benefits: Greater range, accuracy, and up to 24% higher bullet velocity with the very same factory ammunition you now use in your pistol.