SIG Sauer Suppressors
SIG Sauer SLX SUPPRESSOR
Specs, variants & prices
SIG Sauer has discontinued the SLX SUPPRESSOR suppressor, but still lists 6 versions on its site, rated for 5.56 NATO and 7.62 NATO. Length runs from 5.2" to 7.4". SIG Sauer's suggested retail prices run from $1,119.99 to $1,369.99, 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 SLX SUPPRESSOR are there?
0 current and 6 discontinued versions. Specs and measurements are SIG Sauer's own.
SLX556 - DIRECT THREAD
- Model / part #
- SLX556
- Caliber
- 5.56 NATO
- Diameter
- 1.67"
- Attachment
- Direct Thread
- Overall length
- 7.4"
- Weight
- 17.3 oz
- Finish
- Inconel
- MSRP
- $1,169.99
- Status
- Discontinued
SLX556C - DIRECT THREAD
- Model / part #
- SLX556C
- Caliber
- 5.56 NATO
- Diameter
- 1.67"
- Attachment
- Direct Thread
- Overall length
- 5.2"
- Weight
- 12.6 oz
- Finish
- Inconel
- MSRP
- $1,119.99
- Status
- Discontinued
SLX762 - DIRECT THREAD
- Model / part #
- SLX762
- Caliber
- 7.62 NATO
- Diameter
- 1.67"
- Attachment
- Direct Thread
- Overall length
- 7.4"
- Weight
- 19.4 oz
- Finish
- Inconel
- MSRP
- $1,169.99
- Status
- Discontinued
SLX762 - QD
- Model / part #
- SLX762-QD
- Caliber
- 7.62 NATO
- Diameter
- 1.67"
- Attachment
- Clutch-Lok QD
- Overall length
- 7.4"
- Weight
- 19.4 oz
- Finish
- Inconel
- MSRP
- $1,369.99
- Status
- Discontinued
SLX762C - DIRECT THREAD
- Model / part #
- SLX762C
- Caliber
- 7.62 NATO
- Diameter
- 1.67"
- Attachment
- Direct Thread
- Overall length
- 5.2"
- Weight
- 12.6 oz
- Finish
- Inconel
- MSRP
- $1,119.99
- Status
- Discontinued
SLX762C - QD
- Model / part #
- SLX762C-QD
- Caliber
- 7.62 NATO
- Diameter
- 1.67"
- Attachment
- Clutch-Lok QD
- Overall length
- 5.2"
- Weight
- 12.6 oz
- Finish
- Inconel
- MSRP
- $1,319.99
- Status
- Discontinued
What calibers is the SLX SUPPRESSOR rated for?
It's rated for 5.56 NATO and 7.62 NATO, depending on the version.
How much does a SIG Sauer SLX SUPPRESSOR cost?
SIG Sauer's suggested retail prices run from $1,119.99 to $1,369.99, depending on the version. Tap “See prices” next to any version to see what retailers are asking.
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 SLX SUPPRESSOR?
Nothing new on the SLX SUPPRESSOR lately.
Specs from SIG Sauer, checked July 21, 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.