Sig Sauer ASP P320 CO2 Blowback .177 Caliber Pellet Pistol Field Test Review

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The Sig Sauer ASP P320 CO2 Blowback .177 Caliber Pellet Pistol is a really nice evolution to the already existing line of Sig Sauer ASP Pellet Pistols. The 30 round belt fed pellet magazine is what really sets it apart from the Sig ASP P250 and Sig ASP P226 which both share the traditional double sided 8 round rotary pellet magazines found in other CO2 pellet pistols like the Umarex PX4 and ASG CZ P-09 Duty.

The big question I had was how is the trigger going to feel and is a 30 round belt magazine going to be reliable? Will other aspects of the Sig Sauer ASP P320 CO2 Blowback .177 Caliber Pellet Pistol function and perform like its rotary magazine brothers?

So I figured I would put the Sig Sauer ASP P320 CO2 Blowback .177 Caliber Pellet Pistol up against both the Sig ASP P250 and P226 and see how they all faired against each other.

During my Chronograph feet per second shooting test I compared all three blowback pellet pistols shooting five rounds from each of them using a brand new CO2 and Sig Sauer 5.25 grain Match Ballistic Alloy Pellets. It was a close race with the Sig ASP P250 averaging 413 fps, the Sig ASP P226 just under with a 409 fps average and the Sig ASP P320 coming in a very close third at 405 fps. Only about 8 fps separating all of them!

Moving on to the target portion of my testing. As per my standard Field Test Shooting Reviews I setup my paper targets about 30 feet from my rested shooting position and since the ASP P250 and P226 both have 8 rounds per side rotary magazines I decided to shoot an 8 round grouping with all three Sig ASP pellet pistols. It was really close and perhaps one could say most of the variability was because of the human factor. All three CO2 Blowback Pellet Pistols shot about 2 inch groupings with perhaps one or two outliers, again most likely my fault :) I would say the Sig Sauer ASP P250 was perhaps the most accurate with the tightest of the three groups and also the most centered. The Sig Sauer ASP P226 and Sig Sauer ASP P320 where both a close second with both of them shooting just a tad left on target but pretty close to the center.

What about that Sig Sauer ASP P320 CO2 Blowback .177 Caliber Pellet Pistol trigger and belt fed magazine? The trigger actually felt great, much lighter than I was expecting and I did not have one pellet feed error during my entire testing. At the end of the day all three Sig ASP pellet guns performed about the same, but I have to say having 30 rounds at your disposal without having to reload or rotate the stick mag really makes the Sig ASP P320 stand out and perhaps make it the winner in a very close contest.

4.5mm / .177 cal, Blowback, CO2, Comparison, Pellet, Pistol, Review, Semi Auto, YouTube Video Sig Sauer ASP, P320, Sig Sauer P320, Sig Sauer P250, Sig Sauer P226