SIG SAUER P320 for Sale

Quick Look

The Sig Sauer P320 debuted in 2014 as a modular striker-fired pistol designed for adaptability and ease of use. Its design philosophy centers on modularity, allowing users to customize grip size, caliber, and slide length. Today, the P320 enjoys widespread adoption, including use by U.S. military and law enforcement agencies worldwide.

Why It's a Top Choice

• Modular design fits multiple hand sizes and calibers
• Consistent striker-fired trigger for reliability
• Wide aftermarket support and accessories
• Adopted by USSOCOM and several police forces
• Easy disassembly and maintenance

Key Variants

P320 M17

The U.S. military’s full-size service pistol variant offering durability and ambidextrous controls.

P320 X-Five

Competition-focused model with enhanced ergonomics and improved trigger for precision shooting.

P320 C

Compact variant ideal for concealed carry and law enforcement use.

Competitor Comparison Table

Feature	Sig Sauer P320	Glock 19	Smith & Wesson M&P 9
MSRP	$600 - $850	$550 - $700	$500 - $750
Capacity/Size	15+1 (9mm), modular sizes	15+1 (9mm), compact full-size	17+1 (9mm), full-size
Weight	29 oz (full size)	23.65 oz	24 oz
Optics-Ready	Yes	Yes (select models)	Yes (optional)
Trigger Type	Striker-fired	Striker-fired	Striker-fired
Notable Pro	Highly modular and customizable	Proven reliability and simplicity	Ergonomic with excellent grip
Notable Con	Heavier than some competitors	Limited modularity	Slightly larger grip circumference

Best Use Cases

• Self-defense and concealed carry
• Military and law enforcement duty
• Competition shooting and training
• Range practice and marksmanship
• Collecting modern modular pistols

FAQs

Can I change calibers on the Sig Sauer P320?

Yes, the P320’s modular design allows caliber changes by swapping barrels, slides, and magazines with compatible kits.

What is the trigger pull weight of the P320?

The P320 striker-fired trigger averages around 6.5 to 7.5 pounds, varying slightly by model and aftermarket tuning.

How does the P320’s modular frame benefit users?

It allows quick configuration changes to grip size, caliber, and slide length, adapting to different needs and users.