Often asked thread and wrench sizes for the K-80. Front sight thread is 2.5mm Mid sight thread is 2.5mm Bead thread on older guns was 2.6mm Trigger adjusting wrench is 1.27mm / 0.050″. Same wrench locks the barrel selector. Trigger guard screw slot needs a flat blade 7mm wide x 0.5mm thickness. Comb adjusting wrench […]Continue Reading... No Comments.
There are nine front hanger sizes for the K-80 that allow fine tuning of the point of impact of the bottom barrel. The top barrel is braced by the rib so only the bottom barrel will move. A larger hanger size pushes it down, away from the top barrel and a smaller size allows it […]Continue Reading... No Comments.