RIZER V2 Metal Adjustable Hopup.
Adjustable Metal Hop Up for Inner Barrel with 9.5mm Outer
1. Insert inner barrel with 10mm in depth
2.effectively increase range and improve distribution of water gel beads
3After soaked, be sure to drain the water before using , wipe in towel again, dry water, or projectile body surface moisture is overmuch, can abate on turning chafing effect, cause do not shoot far.
.Material: Metal & Pvc
.Product Size: 4.5 x 1.58 x 1.58cm
.Product Weight: 155g
.Package Dimensions: 6 x 3.5 x 3.5cm
.Package Weight: 170g
1 x Hop Up
1 x key
4 x crub screws