Razor X Hop Up/ Breaker Unit (19A) sights/ Scopes mosfet and enforced sides this

mosfet and enforced sides this gearbox is by far the strongest cast gearbox in Australia

and is compatible with Tokyo Marui standard

or large boy

Velocity: 296-320 Feet Per Second (FPS)

Razor X Hop Up/ Breaker Unit (19A) sights/ Scopes mosfet and enforced sides thisThis is the Razor X hop up breaker unit, the highest quality hop up in Australia. Made of full aluminium this unit allows your to install the highest quality hop up on the market and perfectly pair it with a fire breaker to cover the hop up unit to give you the perfect delivery aesthetic. With a threaded 14mm threaded hop up which will secure to your outer barrel with an adjustment grub screw for perfect alignment, then paired with the fire breaker