Dead Air Mojave Piston 9mm M13.5X1LH PistonDead Air Mojave Piston 9mm M13. 5X1LH Piston Designed for use with the Mojave 9 suppressor; Compatible with tilting barrel handguns; Available in 9mm thread sizes: 1 2 28 and Metric 13. 5x1LH; Works with the SD500 adapter for seamless integration; Ensures a secure and reliable suppressor mount Item Category Code: 7600 Product Group Code: 7600P Inactive: No Prop65 Applies: Yes Prop65 Cancer Harm: Yes Prop65 Chemical: Lead