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HK MP5 / SP5 Diagnostic End Cap 

Malfunction diagnosing and troubleshooting just became easy, safe, and convenient

Ensure your Heckler & Koch MP5 or SP5 is operating at its best with the Diagnostic End Cap – a specialized tool engineered for gunsmiths, armorers, and enthusiasts who want a better insight.

Crafted from stress resistant PLA, and designed for a perfect fit, this end cap allows for safe, secure testing of bolt function, sear engagement, and trigger reset without a full stock or brace attached. Whether you're troubleshooting cycling issues or performing routine diagnostics, this tool streamlines the process and helps prevent unnecessary wear.

Key Features:

  • Compatible with HK SP5, and clones

  • Ideal for function testing, dry fire diagnostics, and maintenance

  • FDM-Printed for a precise, snug fit

  • Lightweight, durable, and compact for easy use at the bench or range

Trusted by professionals and serious HK enthusiasts, this is an essential tool for maintaining the legendary performance of your roller-delayed blowback platform.

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