SIG Sauer Rifles
SIG Sauer MPX
Specs, variants & prices
SIG Sauer currently makes 2 versions of the MPX rifle, both chambered in 9mm Luger. Barrels run from 4.5" to 16". SIG Sauer's suggested retail price is $2,199.99, 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 MPX are there?
2 current versions. Specs and measurements are SIG Sauer's own.
SIG MPX PCC
1x 35rd magazines
- Model / part #
- RMPX-16B-9-35
- Caliber
- 9mm Luger
- Capacity
- 35
- Barrel
- 16"
- Overall length
- 35.3"
- Weight
- 6.63 lb
- Finish
- Hard Coat Anodized
- MSRP
- $2,199.99
SIG MPX SBR
1x 35rd magazines
- Model / part #
- RMPX-4B-9-35-SBR
- Caliber
- 9mm Luger
- Capacity
- 35
- Barrel
- 4.5"
- Overall length
- 23"
- Weight
- 4.3 lb w/ Magazine
- Finish
- Black Anodized
- MSRP
- $2,199.99
What calibers does the MPX come in?
Both versions are chambered in 9mm Luger.
How much does a SIG Sauer MPX cost?
SIG Sauer's suggested retail price is $2,199.99. Tap “See prices” next to any version to see what retailers are asking.
Can you buy one in California or Massachusetts?
California and Massachusetts both limit which models dealers can sell, and the rules differ by type of gun. State rules change, so check our California and Massachusetts pages before you buy.
What's the latest on the MPX?
Nothing new on the MPX lately.
Specs from SIG Sauer, checked October 22, 2026 (source). 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.