HB Industries CZ Scorpion EVO 3 Ultra Comp

The factory CZ Scorpion ships with a 1/2-28 muzzle thread under an M18x1 outer thread protector. The protector has a documented failure mode where the spring tab loosens during firing and the part can walk forward off the muzzle. HB Industries' Ultra Comp solves the problem by replacing the factory flash hider and thread protector with a single piece that threads onto the 1/2-28 internal threads and sleeves over the M18x1 outer threads, retained by the factory spring tab. Once installed it physically cannot loosen the way the factory protector does.

Construction is 4140 steel, heat-treated and finished in black nitride for hardness and corrosion resistance. The comp adds 1.5 oz at the muzzle and provides real upward and rearward gas redirection, which flattens the modest factory recoil impulse further and helps dot tracking on competition runs. The Ultra Comp is 922R compliant and made in the USA.

This is a Scorpion EVO 3 part. The factory dual-thread setup is unique to the Scorpion, so the Ultra Comp does not transfer to AR-pattern or other PCC hosts. For owners who want a thread protector replacement that addresses the factory failure mode and adds actual compensation, this is the consensus pick.