Fine tune the hop-up of your KRYTAC KRISS Vector to improve accuracy with the First Factory Custom Hop Dial.

This diminutive upgrade allows the hop-up of the KRYTAC KRISS VECTOR gas blowback to be adjusted more precisely. The custom hop dial, offers 18 adjustment points over the 10 points of the stock hop-up unit.

Compatible model: KRYTAC KRISS Vector GBB

Installation notes

• Clean and degrease the hop-up adjustment screw and custom dial thoroughly before glueing together.
• Apply a small amount of superglue to bond the custom dial to the adjustment screw and ensure the dial is centred before applying pressure.
• Apply a thin layer of grease to the dial and screw threads before re-installing.