This gun is very accurate. Right out of the box, the P320 averages 1.5-inch groupings at anywhere from 7 to 25 yards, slow-fire.
There is very little recoil, which is surprising considering it can feel a little top-heavy until you get used to it.
You may have to allow yourself some time to adjust to the 6’oclock hold as well, especially if you are used to shooting with a more angled grip, like with a Glock. The photoluminescent sights provide an accurate sight picture and allow for precise shooting in low-light situations.
The RX model also comes with a great red dot optic, Sig’s Romeo 1.
The Sig P320 is amazingly reliable. After over 500 rounds and a wide variety of ammo—including Hornady TAP, Winchester White Box, and Blazer Brass FMJ—there were no misfires or jams.
Testing out all the frames with hollow and plink ammo has proven you can count on this gun to fire consistently and without issue.
I really like how the P320 handles. It’s lightweight, if a little top-heavy, and is easy to maneuver between targets.
The RX Carry model is great for concealed carry, and the potential for customization on this pistol means it can be customized for almost every shooter’s needs.
The P320 is a technically a chassis gun with a series of interchangeable grip frames or a Sig X-change kit.
You can change out the caliber, barrel, grip, and slide for the entire series—excluding the .45 ACP—to fit your needs and specifications.
So, if you don’t like the grip, or decide you want a to try out another caliber, the P320 provides an alternative to buying a completely different gun.
Even with all the customizations available, the P320 remains fairly simple in its design.
The magazine release is reversible, the slide lock and disassembly lever are easy to use and there isn’t an external safety.
The trigger seems to be the only point of contention for the Sig P320. As far as I’m concerned, it’s just going to come down to preference.
The trigger on the P320 is a wide, single-action trigger that breaks cleanly at around 5.5 pounds with a smooth reset.
There’s no stacking and some overtravel that could affect accuracy, so you may have to make some adjustments if the trigger isn’t a fit for you.
Sig Sauer packages these guns with two 15-round mags for the compact model and 17-round mags for the carry.
These steel mags are easy to load and smoothly drop free when released. Another great thing about the P320 is that its magazines are exchangeable with the P250.
Length & Weight
The P320 is only 7.2-inches in overall length, 5.3 inches tall, and 28 oz when loaded.
It’s small, compact, and has a sleek design. No matter your application, this gun won’t weigh you down.
The high, vertical grip, high bore axis, and undercut trigger guard all contribute to excellent recoil management in the P320.
With the custom grip models available, there’s no reason you should have trouble keeping an accurate sight picture between shots or have the gun jerk out of your grip.
One of the most common questions we get asked here at GND is whether you should buy a Glock 19 or a Sig P320. Both are great guns, of course, as proven by their loyal followings, but there seems to be no real consensus on which is the best.
In some ways, the story of the Sig P320 is a strange one. When it was released, nobody really paid it any attention. It was just another 9mm handgun, much like the dozens of similar pistols that are released each year.
However, then the US Army decided to buy a load of these weapons for use by troops. This instantly thrust the gun into the limelight – what had the Army seen in the weapon that made it better than the good old Glock 19?
This was a good question, not least because the Glock 19 had ruled the roost for many years. The Austrian legend had built up an enviable reputation as a do-everything gun, small enough to conceal and yet large, powerful and accurate enough to see action as a full-sized service weapon.
The Sig P320 has to be really good to even stand a chance of being a replacement for the Glock 19, right?
Right. But the truth is that both of these weapons are actually pretty similar. The Sig P320 is also just about concealable, and also large and accurate enough to be a “do everything” pistol.
But which is better? Well, I suppose it depends what you are after. No review like this can ever recommend a pistol for everyone, because shooting is all about the feel of a gun in your hand, and not the boring old specifications of your weapon. Still, I’ll have shot at drawing out the differences between these two weapons.