This is a drop-in kit that is pre-assembled, so it is super easy to fit. Literally, all you need to do is place it inside your WE/TM branded Glock's to instantly improve your pistol's consistency and range.

The included hop rubber is a 60° rubber which is suitable for BB rounds in the 0.2g - 0.28g range (which is usually the standard for a pistol).

The barrel has a tight bore inner diameter of 6.01mm, which will improve consistency and longer range when coupled with a high-quality BB.

Features:

• Made to work perfectly together
• 60° Autobot bucking
• 6.01mm inner barrel
• Pre-assembled drop-in kit
• Easy way to upgrade
• May increase output power
• Much more reliable than OEM part
• For WE / Tokyo Marui

Package Includes:

• Hop-Up & Inner Barrel Set for Glocks