MP5K 40, MP5K 10mm – Bolt Group Complete


Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group will work and fit on semi or full auto MP5K 40 & MP5K style 10mm firearms.

This offering is the finest US made bolt head available. Each bolt group comes complete, assembled ready to go:

  • Bolt head complete
  • #24 locking piece
  • Firing pin
  • Firing pin spring
  • Full auto bolt carrier (works in semi and F/A)
  • Recoil assembly

US made parts use a new enhanced grade steel, heat treated to HK factory specifications. As an added bonus each bolt group counts as 2 US made compliant parts. This is simply the finest bolt group HK or otherwise for the money. Made right here in the USA with all of the latest upgrades, material & improvements.

  • Origin: German / USA
  • Brand: HKPARTS
  • 922r Value: 2

Out of stock

SKU: HKP-17839

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