The Sig Sauer SRD Piston, chambered in 9mm Luger, features a 1/2×28 right-hand thread pitch (TPI). This piston is designed to allow use of your SRD9 or SRD45 suppressor on firearms with 1/2×28 threaded barrels. It’s a simple component swap – replace the original piston in your SRD suppressor to match the threading on your host firearm.
Sig Sauer SRD Piston Specs:
- Caliber: 9mm Luger (compatible with SRD9/SRD45)
- Thread Pitch: 1/2×28 RH TPI
- Material: 17-4 Heat-Treated Stainless Steel
- Finish: Matte Glass Bead
- Model Number: SRDPISTON
This piston is useful if you’re switching between different 9mm hosts, or if you own an SRD45 and want to use it on a 9mm firearm with a 1/2×28 threaded barrel. Nebraska shooters will find this handy for adapting suppressors to a variety of 9mm handguns commonly used for home defense, concealed carry, or range practice. Whether you’re plinking at a local range or prepping for Nebraska’s hunting seasons, having the right suppressor setup is important.
Important Note: This is a suppressor component and requires proper NFA registration and compliance with all applicable federal, state, and local laws. We ship firearms and accessories to Nebraska addresses, and can facilitate FFL transfers within the state. Out-of-state shipments require a valid FFL at the destination.
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