OP Tactical
8.5 Version Metal Hop-up integrated Aluminum Alloy Inner Barrel
Description
Package:
- Integrated Hop-up barrel
- Grub screws & allen key
Features:
- Aluminum Alloy Material (Barrel & Hop-up)
- Integrated Hop-Up allows to go through flash hider and outer barrel
- Outer diameter of main body 8.5 mm
- Outer diameter of hop-up front end 10mm
- Length of hop up front end 30mm
- Inner diameter 7.5mm
- Total length 50cm
- Compatiable with Double Bell/King Arms TW GBBR
- Perfect for 7.15-7.35mm gel ball