Maxx M4G , the hop up unit to get VSR/GBB style buckings in your M4 ! The unit is only built in and not used in a skirmish.
To complete the set I also offer the following as an option at an additional cost:
- Maple leaf crazy jet GBB barrel 6.04 290mm (latest version)
- buckings ( Flamingo , ML Mr hop 2021/23, begadi VSR 5/7 , TNT TR , ML Decepticon , modify Xrange 55/65/Sora , Stalker SR.