HK MP5, HK90 Series Hammer Strut

New HK German Hammer Strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a non-pinned hammer spring shank. Perfect for your HK project or rebuild.

Compatible With:

• The following HK trigger packs:
  • SEF
  • 0,1 Safe Semi
  • Navy 0,1,Full
  • Burst Trigger groups (all styles)
• The following HK weapon systems:
  • HK G3, 91, PTR
  • MP5, 94 SP89, MP5K
  • HK93,33,53
  • HK21, HK11, MSG90, PSG1, HK23E, HK13
  • Any 90 series clone or custom build that used a factory HK trigger pack.