Spike's St-t3 Heavy Buffer Fuel Management updates to the D-Series include

updates to the D-Series include prominent branding and blacked-out circuit boards for a more refined look

copperplated

Each barrel is honed

Increased safety

Spike's St-t3 Heavy Buffer Fuel Management updates to the D-Series includeThe st t3 buffer provides a firmer recoil impulse and is intended for machine guns, suppressed weapons and rifles that suffer from overgassing. It doesn't have any fluids to leak out like some other buffers, so it's maintenance free. Laser engraved with the spike's tactical logo. Each st t3 buffer contains three sliding solid weights cut from tungsten bar stock and topped off with a mil spec bumper. The st t3 eliminates the chance of bolt bounce,