SIG Sauer Pistols
SIG Sauer P320 XTEN
Specs, variants & prices
SIG Sauer currently makes 11 versions of the P320 XTEN pistol, all chambered in 10mm Auto. Barrels run from 3.8" to 5". Of the 11 versions, 10 are optics-ready, and one uses SIG's SIG-LOC optic mounting system. SIG Sauer's suggested retail prices run from $829.99 to $1,099.99, 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 P320 XTEN are there?
11 current versions. Specs and measurements are SIG Sauer's own.
P320-XTEN
2x 15rd magazines
- Optics
- Optic-ready
- Model / part #
- 320X5-10-BXR3-R2
- Caliber
- 10mm Auto
- Capacity
- 15
- Barrel
- 5"
- Overall length
- 8.5"
- Weight
- 33 oz
- Finish
- Nitron
- MSRP
- $829.99
P320-XTEN
2x 10rd magazines
- Optics
- Optic-ready
- Model / part #
- 320X5-10-BXR3-R2-10
- Caliber
- 10mm Auto
- Capacity
- 10
- Barrel
- 5"
- Overall length
- 8.5"
- Weight
- 33 oz
- Finish
- Nitron
- MSRP
- $849.99
P320-XTEN
2x 15rd magazines
- Optics
- Optic-ready
- Model / part #
- 320X5-10-BXR3-R2-MS
- Caliber
- 10mm Auto
- Capacity
- 15
- Barrel
- 5"
- Overall length
- 8.5"
- Weight
- 33 oz
- Finish
- Nitron
- MSRP
- $849.99
P320-XTEN
2x 10rd magazines
- Optics
- Optic-ready
- Model / part #
- 320X5-10-BXR3-R2-MS-10
- Caliber
- 10mm Auto
- Capacity
- 10
- Barrel
- 5"
- Overall length
- 8.5"
- Weight
- 33 oz
- Finish
- Nitron
- MSRP
- $849.99
P320-XTEN
2x 15rd magazines
- Optics
- SIG-LOC
- Model / part #
- 320X5-10-BXR3-RXSL
- Caliber
- 10mm Auto
- Capacity
- 15
- Barrel
- 5"
- Overall length
- 8.5"
- Weight
- 33.7 oz
- Finish
- Nitron
- MSRP
- $849.99
P320-XTEN COMP
2x 15rd magazines
- Optics
- Optic-ready
- Model / part #
- 320XCA-10-COMP
- Caliber
- 10mm Auto
- Capacity
- 15
- Barrel
- 3.8"
- Overall length
- 7.1"
- Weight
- 32.3 oz w/ Magazine
- Finish
- Nitron
- MSRP
- $949.99
P320-XTEN COMP
2x 10rd magazines
- Optics
- Optic-ready
- Model / part #
- 320XCA-10-COMP-10
- Caliber
- 10mm Auto
- Capacity
- 10
- Barrel
- 3.8"
- Overall length
- 7.1"
- Weight
- 32.3 oz w/ Magazine
- Finish
- Nitron
- MSRP
- $949.99
P320-XTEN COMP
2x 15rd magazines
- Optics
- Optic-ready
- Model / part #
- 320XCA-10-COMP-MS
- Caliber
- 10mm Auto
- Capacity
- 15
- Barrel
- 3.8"
- Overall length
- 7.1"
- Weight
- 32.3 oz w/ Magazine
- Finish
- Nitron
- MSRP
- $949.99
P320-XTEN COMP
2x 10rd magazines
- Optics
- Optic-ready
- Model / part #
- 320XCA-10-COMP-MS-10
- Caliber
- 10mm Auto
- Capacity
- 10
- Barrel
- 3.8"
- Overall length
- 5.5"
- Weight
- 32.3 oz w/ Magazine
- Finish
- Nitron
- MSRP
- $949.99
P320-XTEN ENDURE
3x 15rd magazines
- Optics
- Optic-ready
- Model / part #
- 320X5-10-CXR3-CW-R2
- Caliber
- 10mm Auto
- Capacity
- 15
- Barrel
- 5"
- Overall length
- 7.1"
- Weight
- 33 oz w/ Magazine
- Finish
- Topographic Pattern Cerakote
- MSRP
- $999.99
P320-XTEN ENDURE COMP
3x 15rd magazines
- Optics
- Optic-ready
- Model / part #
- 320XCA-10-COMP-CW
- Caliber
- 10mm Auto
- Capacity
- 15
- Barrel
- 3.8"
- Overall length
- 7.1"
- Weight
- 32.3 oz w/ Magazine
- Finish
- Moss Green
- MSRP
- $1,099.99
What calibers does the P320 XTEN come in?
Every current version is chambered in 10mm Auto.
Is the P320 XTEN optics-ready?
Of the 11 versions, 10 are optics-ready, and one uses SIG's SIG-LOC optic mounting system.
How much does a SIG Sauer P320 XTEN cost?
SIG Sauer's suggested retail prices run from $829.99 to $1,099.99, 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?
California and Massachusetts each keep their own list of handguns approved for sale, and a gun has to be on it before a dealer there can sell it to you. State rules change, so check our California and Massachusetts pages before you buy.
What's the latest on the P320 XTEN?
Nothing new on the P320 XTEN 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.