18:1 Cast Gear Set shs piston Kublai M4 Buttstock

Kublai M4 Buttstock

1 x Brand New "Riddick" GBU Custom Metal Gel Blaster

the Custom upgraded HLF ARP9 has been dubbed the ultimate CQB machine

Metal 14mm reverse thread flash hiders by SLR

1 x Starter Gel Pack (only 500 gels)

18:1 Cast Gear Set shs piston Kublai M4 ButtstockThe perfect cast metal gearset with the standard gearbox ratio of 18: 1. If you are looking for a metal gear upgrade on your blaster, these would be the best gears for anything firing 270 300 FPS (maximum). Pinion and anti reverse latch not included. Cast Metal vs. SHS Metal Gears Gear Specifications 18: 1 Ratio Solid Cast Metal Suits Most Gearboxes