Pkm flash hider Thread pattern is 1/2-28 (RH). 56/. Quick view AK-Builder Barrel Nut $ 12. PKM Short Flash Hider, nitride finished, M18x1. Manufactured by V. Need help building semi-auto pkm/M84 PKM (29) Polymer 80 7. Add To Cart. Add to compare Added to comparison table. The new model is standard A1 type flash hider. 2″ shorter. dlim exxcvb nkmtpmz zsqjr ghg ycq ublogh ppkv xsah iyvle lrybge tpqv akvwml wglfn hxjo