HK Semi Auto Sear Spring for HK91 HK93 HK94 HK21, RTG Gun Parts
Is this a drop in setup? Anyone tried this?
Is this a drop in setup? Anyone tried this?
It is a direct replacement. I have not tried one yet; been considering this parts as well.HK Semi Auto Sear Spring for HK91 HK93 HK94 HK21, RTG Gun Parts
Is this a drop in setup? Anyone tried this?