Specialneeds Posted February 20, 2020 Share Posted February 20, 2020 Unsure about rules in provide outside forum links; https://www.hkpro.com/forum/hk-handgun-talk/250777-p7m8-m13-ammo-preferences.html#/topics/250777 This here has some interesting information from a group that uses a similar gas system. The HK guys claim the pistol gets hot when firing a bit. With the gastube above barrel on Alien, may not be an issue. It seems in a fixed system only certain powders and bullets will run properly without a lot of tinkering. Across many firearms. Link to comment Share on other sites More sharing options...
Silent Posted February 20, 2020 Share Posted February 20, 2020 1 hour ago, Specialneeds said: Unsure about rules in provide outside forum links; https://www.hkpro.com/forum/hk-handgun-talk/250777-p7m8-m13-ammo-preferences.html#/topics/250777 This here has some interesting information from a group that uses a similar gas system. The HK guys claim the pistol gets hot when firing a bit. With the gastube above barrel on Alien, may not be an issue. It seems in a fixed system only certain powders and bullets will run properly without a lot of tinkering. Across many firearms. That might not make it the best option for open, but there’s only one way to find out. Link to comment Share on other sites More sharing options...
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