add tactical attachments to your own Umarex MP5/HK53 GBB
Features include:

- 3 Sided 20mm attachment rail handguard
- Suitable for Umarex GBB MP5 Series (e.g. MP5A2 Gas Blow Back Rifle)
- All aluminumCNC machined construction

This product weighs 315 grams, and comes with 2 hex wrenches for easy assembly.