Made from 17-4 Stainless Steel and is heat treated then black nitride finished for improved wear and corrosion resistance. Hux pistons come with wrench flats that allow for a more secure attachment to your firearm.

Features :

• Interchangeable with SilencerCo and Rugged pistons
• Interchangeable between RAD 9 & 45
• Pair with a Piston Spring for reciprocating barrels or Fixed Barrel Spacer for fixed barrels.
• Wrench flats