Ensure reliable retention and smooth operation of your AK-47 muzzle devices with the MSR Plunger Pin designed specifically for classic-type front sight blocks. This precision-engineered 16mm pin serves as a critical detent component, securing your setup against movement during firing and transport. Key Features Exact OEM-spec fit for classic AK-47 front sight blocks, ensuring compatibility without modification Constructed from durable steel for long-lasting performance under recoil and field conditions 16mm length optimized for classic AK-47 configurations, distinguishing it from shorter AKM variants Simple drop-in replacement that restores proper function to damaged or missing pins Specifications Length: 16mm Overall dimensions: 0.63" L x 0.12" W x 0.12" H Weight: 0.01 lbs Material: High-strength steel Application: Classic AK-47 type front sight block plunger/detent pin Why Choose This Product Front sight block maintenance often reveals missing or worn plunger pins that compromise muzzle device security. This MSR replacement eliminates guesswork with its factory-correct dimensions and robust construction, delivering consistent retention and peace of mind for builders and shooters alike. Whether restoring a parts kit or replacing a lost component, it provides a reliable solution tailored to classic AK-47 platforms. Common Questions How do I install this plunger pin? Drive out the existing pin if damaged, then insert the new 16mm pin into the front sight block detent channel, ensuring it seats fully with the spring. Is this pin compatible with AKM or AK-74 front sight blocks? No, this 16mm version is specific to classic AK-47 FSBs; AKM models typically require the shorter 12.5mm pin. Will this work with aftermarket muzzle devices? Yes, as long as your device is designed for the classic AK-47 front sight block plunger system, this pin maintains proper detent function.