Power Source: Spring Bolt Action

• Genuinely Enhanced 400 Lumen Power Upgrade and Extended 3 Hour Runtime

you can smoothly connect the drop-in module to your original (stock) installation

00mm to 21

HK Army HSTL Foam Kit (Upper/Lower) - Open Cell mini silencer Power Source: Spring Bolt ActionThe HK Army HSTL Goggle Foam Replacement Kit is designed to provide you protection and comfort while wearing the HSTL Goggle. It is now easy to replace the interior foam on your goggle system with our snap in upper and lower goggle frame attachment points. Details: Open cell foam HSTL goggle replacement kit Kit includes upper and lower foam Foam attachments easily snap into the goggle frame *Goggle not included