HKPRO Forums banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-1 of 1 Results
  1. HK NFA TALK
    I am thinking of buying a registered sear currently installed in a Mp5k. Just got a copy if the form 4 and it says 9mm under caliber. Some sears are clearly register as 9mm/223/308 and go in different host guns. Seller suggests changing to all 3 cals when doing papers to my SOT or putting...
1-1 of 1 Results
Top