SIG Sauer Accessories
SIG Sauer Suppressor pistons
Specs, variants & prices
SIG Sauer currently makes 3 versions of the Suppressor pistons accessory, for 9mm Luger. SIG Sauer's suggested retail price is $149.99, and stores set their own prices from there. The table below lines up every version so you can compare them at a glance.
What versions of the SIG Sauer Suppressor pistons are there?
3 current versions. Specs and measurements are SIG Sauer's own.
Suppressor Piston - .578 x 28 TPI
—- Model / part #
- SRD-PISTON-578X28
- Caliber
- —
- Threads
- .578 in - 28
- Finish
- Stainless Steel
- MSRP
- $149.99
Suppressor Piston - 1/2 x 28 TPI
—- Model / part #
- SRD-PISTON-12X28
- Caliber
- 9mm Luger
- Threads
- 1/2 in - 28 tpi
- Finish
- Stainless Steel
- MSRP
- $149.99
Suppressor Piston - M13.5 X 1 LH
—- Model / part #
- SRD-PISTON-M135X1LH
- Caliber
- —
- Threads
- M13.5 x 1 mm
- Finish
- Stainless Steel
- MSRP
- $149.99
What calibers does the Suppressor pistons come in?
It's listed for 9mm Luger.
How much does a SIG Sauer Suppressor pistons cost?
SIG Sauer's suggested retail price is $149.99.
Can you buy one in California or Massachusetts?
SIG Sauer leaves California and Massachusetts blank for this product. Some states limit which accessories a dealer can sell. State rules change, so check our California and Massachusetts pages before you buy.
What's the latest on the Suppressor pistons?
Nothing new on the Suppressor pistons lately.
Specs from SIG Sauer, checked July 19, 2026 (source). SIG Sauer's site blocks scripted requests, so this table was read from a saved copy of the product page. Spot a mistake? Let us know and we'll fix it. SIG Sauer is a trademark of its owner, listed for identification only. Firearms Almanac isn't affiliated with SIG Sauer.