Kaw Valley Precision Gen 2 Suppressor Piston .578x28 Thread Black Small. To maintain tight tolerances KVP pistons are machined in a single Swiss CNC setup. The single setup minimizes the potential for tolerance stack up in comparison to multi machine production strategies. The pistons are Black Nitride treated to improve durability and wear resistance. Note: Periodic lubrication of the piston and o-rings are recommended to ensure smooth operation of the booster assembly. Specifications for Kaw Valley Precision Gen 2 Suppressor Piston: Manufacturer: Kaw Valley Precision Condition: New Color: Black Fabric/Material: 7075-T6 Aluminum Finish: Nitride Weight: 1 lb Features of Kaw Valley Precision Gen 2 Suppressor Piston Suppressors that can utilize the KVP Gen 2 Piston: Dead Air Odessa Griffin Revolution: Resistance Optimus 9 and Bushwacker Silencer Co: Hybrid Octane Omega K Omega 36M YHM: Booster Assembly Package Contents: Kaw Valley Precision Gen 2 Suppressor Piston Kaw Valley Precision KVP-PISTON-1803: Gen 2 Suppressor Piston .578x28 Thread Black Small