Sig P320 Sizes & Models Compared (With Dimensions!)

Posted by 80-Lower.com on Feb 1st 2025

Tired of looking for all the different Sig P320 configurations? Find 'em all here, in one convenient list! The P320 is categorized into five sizes, increasing from smallest to largest: Carry, Carry X, Compact, Full-Size, and Full-Size X.

P320 Models & Dimensions

See the barrel length, overall length, height, weight, and width for all P320 models below.

Want to customize your P320? You can easily swap your frame, slide, barrel, and caliber. See P320 X-Change kits and individual components below:

P320 Full-Size X Models

This size covers the following models:

XFULL

Barrel Length: 4.7"
Overall Length: 8.2"
Height: 5.5"
Width: 1.3"
Weight: 29.6 Oz

XFIVE SXG

Barrel Length: 5"
Overall Length:8.5"
Height: 5.8"
Width: 1.6"
Weight: 49.8 Oz

AXG LEGION

Barrel Length:3.9"
Overall Length:8.2"
Height: 5.5"
Width: 1.6"
Weight: 36.1 Oz

XFIVE LEGION

Barrel Length: 5"
Overall Length: 8.5"
Height: 5.8"
Width:1.6"
Weight: 43.5 Oz

MAX

Barrel Length: 5"
Overall Length: 8.5"
Height: 6.8"
Width: 1.6"
Weight: 43.5 Oz

XFIVE DH3

Barrel Length: 5"
Overall Length: 8.5"
Height: 6.5"
Width: 1.6"
Weight: 43.5 Oz

SPECTRE COMP BLACKOUT

Barrel Length: 4.6"
Overall Length: 8.5"
Height: 5.8"
Width: 1.6"
Weight: 41.8 Oz

P320 Full-Size Models

This size covers the following models:

XTEN ENDURE COMP

Barrel Length:3.8"
Overall Length: 7.6"
Height:5.6"
Width:1.4"
Weight: 32.3 Oz

FULL-SIZE (Base)

Barrel Length:4.7"
Overall Length: 8"
Height: 5.5"
Width: 1.25"
Weight: 28.3 Oz

M17

Barrel Length: 4.7"
Overall Length: 8"
Height: 5.5"
Width: 1.6"
Weight: 29.6 Oz

M17 CEREMONIAL

Barrel Length: 4.7"
Overall Length: 8.2"
Height: 5.5"
Width: 1.3"
Weight: 32.1 Oz

XTEN

Barrel Length: 5"
Overall Length: 8.5"
Height: 5.6"
Width: 1.3"
Weight: 33 Oz

XTEN ENDURE

Barrel Length: 5"
Overall Length: 8.5"
Height: 5.5"
Width: 1.3"
Weight: 33 Oz

P320 Compact Models

This size covers the following models:

COMPACT

Barrel Length: 3.9"
Overall Length: 7.25"
Height: 5.25"
Width: 1.25"
Weight: 26.6 Oz

XCOMPACT

Barrel Length: 3.6"
Overall Length: 7"
Height: 5.3"
Width: 1.3"
Weight: 25.3 Oz

XTEN COMP

Barrel Length: 3.8"
Overall Length: 7.6"
Height: 5.6"
Width: 1.4"
Weight: 32.3 Oz

P320 Carry X Models

This size covers the following models:

XCARRY LEGION

Barrel Length: 4.6"
Overall Length: 8.1"
Height: 5.9"
Width: 1.6"
Weight: 40.5 Oz

P320 Carry Models

This size covers the following models:

M18

Barrel Length: 3.9"
Overall Length: 7.2"
Height: 5.5"
Width: 1.6"
Weight: 28.1 Oz

AXG COMBAT

Barrel Length: 4.6"
Overall Length: 8.1"
Height: 6.5"
Width: 1.6"
Weight: 34.7 Oz

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.