HK MP5, 94, MP5K, & SP89 9mm – Complete Bolt Head
Each bolt head incorporates a mixture of the finest quality US-made and factory German HK parts, making a new complete bolt head ready for use. Use this to replace out-of-spec bolt heads and worn-out or old-generation bolts. Fits on semi or full-auto 9mm 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 specifications and enhancements. As a bonus, each bolt head counts as 1 US Compliant part.
Compatible With:
- HK MP5, MP5K
- HK SP5, SP5K
- HK SP89, HK94
- Zenith, POF, and other in-spec. clones and custom builds
Features:
- Bolt Head – US-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
