SIG Sauer Suppressors
SIG Sauer SRD45
Specs, variants & prices
SIG Sauer has discontinued the SRD45 suppressor, but still lists one version on its site, rated for 45 Auto. It is 7.9" long. SIG Sauer's suggested retail price is $775, and stores set their own prices from there.
What versions of the SIG Sauer SRD45 are there?
0 current and 1 discontinued version. Specs and measurements are SIG Sauer's own.
SRD45
—- Model / part #
- SRD45
- Caliber
- 45 Auto
- Diameter
- 1.38"
- Attachment
- Direct Thread
- Threads
- .578 in - 28 tpi & M16 x 1 mm LH
- Overall length
- 7.9"
- Weight
- 12 oz
- Finish
- Titanium / Stainless Steel
- MSRP
- $775
- Status
- Discontinued
What calibers is the SRD45 rated for?
It's rated for 45 Auto.
How much does a SIG Sauer SRD45 cost?
SIG Sauer's suggested retail price is $775.
Can you buy one in California or Massachusetts?
SIG Sauer leaves California and Massachusetts blank for this suppressor. A dealer can transfer one only where that state allows suppressors. State rules change, so check our California and Massachusetts pages before you buy.
What's the latest on the SRD45?
Nothing new on the SRD45 lately.
Specs from SIG Sauer, checked June 3, 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.