The Howa trigger sear engagement screw is a standard iso metric 4mm x 0.7mm pitch screw 14mm long with a slot for a small jewellers screwdriver blade.
Type: Posts; User: TonyT
The Howa trigger sear engagement screw is a standard iso metric 4mm x 0.7mm pitch screw 14mm long with a slot for a small jewellers screwdriver blade.