MP5, 94, MP5K, SP89 Bolt Head – RCM


HK MP5, 94 & MP5K, SP89 9mm – Complete Bolt Head

Each bolt head incorporates a mixture of the finest quality US made & factory German HK parts. Making up a new complete bolt head ready for use. Ideal to replace out of spec bolt heads, worn out or old generation bolts. Fits on semi or full auto 9mm’s pistols or rifles. Each bolt head is made from a solid billet with the new Action 3 roller retainer spring and all upgraded “F” style specification and enhancements. Made from a proprietary enhanced steel material that is superior to any previous bolt heads or any that are currently available.

Each 9mm MP5 & MP5K Bolt Head Features:

  • Bolt Head – US Made made from an enhanced steel
  • Extractor – US Made to true F specs of enhanced steel
  • Extractor spring – (German HK copper extractor spring) – Genuine HK
  • Roller retainer spring upgrade – Genuine HK German
  • 8mm rollers (pair) – Genuine HK German
  • Roller retainer pin – Genuine HK German

Fits all 9mm roller locks:

  • MP5, MP5K
  • SP89, HK94
  • Zenith, POF, Clones & Custom builds

All of our US made parts use a new enhanced grade steel, heat treated to HK factory specifications.

As an added bonus each bolt head counts as 1 US Compliant part. This is simply the finest bolt head HK or otherwise for the money. Made right here in the USA with all of the latest upgrades & improvements.

  • Origin: USA
  • Brand: RCM
  • 922r Value: 1

In stock

SKU: HKP-01241

Additional information

Weight 4 oz

Share your thoughts!

Let us know what you think...

What others are saying

There are no contributions yet.




A password will be sent to your email address.

Continue as a Guest

Don't have an account? Sign Up

You may also like…