RCM MP5, HK94, MP5K & SP89 9mm Bolt Head

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:

• MP5, MP5K
• SP89, HK94
• Zenith, POF, 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