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hk mod 4

  1. New to HKpro!

    Hey everyone! Just made a recent purchase and that was an hk model 4! It is a beautiful gun but I was wondering if anyone had any idea if someone makes new grips or is there any kind of trigger upgrades? I've been unable to find anything. I'm not new to guns but new to hk and so far I'm in love...
  2. HK Mod 4 Issue

    I just inherited an HK Mod 4 from my grandfather. He told me that is has some issues that needed to be resolved before I used the firearm. He said that it seems that the shell is ejected from the receiver before the powder is finished burning, which has caused the grip on the left side of the...