OSS Rad Piston .578X28

Oss Rad Piston .578X28



Made from 17-4 Stainless Steel and is heat treated then black nitride finished for improved wear and corrosion resistance. Our 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

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