Firearms AlmanacEst. 2026

SIG Sauer Suppressors

SIG Sauer MODX-45

Specs, variants & prices

SIG Sauer currently makes one version of the MODX-45 suppressor, rated for 45 Auto. It is 9.25" long. SIG Sauer's suggested retail price is $969.99, and stores set their own prices from there.

What versions of the SIG Sauer MODX-45 are there?

1 current version. Specs and measurements are SIG Sauer's own.

  • MODX-45

    Model / part #
    MODX-45
    Caliber
    45 Auto
    Diameter
    1.38"
    Attachment
    Direct Thread
    Threads
    .578 in - 28 tpi & M16 x 1 mm LH
    Overall length
    9.25"
    Weight
    11 oz
    Finish
    Titanium / Stainless Steel
    MSRP
    $969.99

What calibers is the MODX-45 rated for?

It's rated for 45 Auto.

How much does a SIG Sauer MODX-45 cost?

SIG Sauer's suggested retail price is $969.99. 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.

Nothing new on the MODX-45 lately.

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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.