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RIZER R1 V2 HOP UP
9 Mushroom piston head High performance High FPS Ratings
This might be the metal adapter piece to fit your muzzle
Package: 1x kak stock
RIZER R1 V2 HOP UP Colour:Red RIZER R1 V2 HOP UPRIZER R1 V2 HOP UP Made on alloy for greater strength. Will increase accuracy and distance of your gel blaster. Adjustable via grub screw. Fit with 9. 5mm size inner barrel . Outer size of the hop up is 16mm so make sure the inner diameter of your outer barrel is larger than that . To reach the best performance you need insert this hop up into the barrel 10mm roughly . Comes with extra set of tongues (top smooth bottom smooth, top ridged bottom
