SIG Sauer MPX Reviews

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Size, weight, accuracy, pellet belt and magazine, sights, scopeable rail, 88gr co2 for operation, trigger pull, about 200 shots per co2. . . .no complaints
Nothing
I have this one and the MCX. Interchangeable pellet belts, will work in both. Purchase extra belts and a couple magazines. Highly recommend trying. Good for close range pests and EXCELLENT for target plinking using 7-8gr pellets (not picky) in belt. Use recess tool to set pellets in belt.
The Look.
Quality because it's not there!
Ok Sig has had over a year to get these right.First of all the mag wouldn't go into the well without an extreme amount of effort.You could see it gouging into the plastic mag. But that's nothing compared to the fact my JT 90 gram CO2 bottomed out before it could be tightened in all the way causing it to leak! I mean really,you couldn't make the effort to try different brands to see the potential problem at hand here before going into production! So I'm lucky to send this MPX back before 30 days and get my money back!
10 of 50 SIG Sauer MPX Reviews
It’s a great rifle . Real feel of it ,makes you believe it’s the real one. It pulls to the right, scope adjustments, good to go!
Nothing!
Definitely a Great Buy! All the kids need one!
Love everything about this gun
Would give a strap with it or a longer stock
Cool Looking feels Real,Fun
Trigger & Magazine Mechanics?
Its cool that has a 30 round Mag.But it has it malfunction at times,I get shot off,then the trigger Locks up or Press trigger Wont rotate Mag. ,Have to Pull the Upper Latch to reload.
Handling in confined space, chicken pin, for rat/mice/snake elimination. Has proven very accurate up close with reflex dot sight. On paper makes one hole five shot groups at 20 ft. So far I have not suffered any of the leakage problems a lot of people rant about. I have not suffered any leakage even keeping a air source attached for two seeks at a time without lost air.
Needs an adjustable stock for small people. Should be HPA as the Virtus , using the G1/2-14 type connector and small refillable 33g to 45g tanks filled to CO2 warm pressures. The air rifle insustry is really lagging compared to paintball or air soft. Maximum noise reduction should be built-in. Especially as the velocities near 1050 FPS. Sling mounting points should be real. The air source connection point should be machined brass or SS, it is too fragile. Trigger pull on my units is all predictable but atrocious, I have seen videos showing 1.5lb. pull, I don't know how mine is so different. Mine are 1yr.-2mo. old in my hands.
This family of guns can be a lot of fun also. Dance cans all over the place. Even down to shotshells. Demolish small swing targets.

Looks exactly as a real rifle, this is my first air rifle and for the purposes I need works but needs improvement. More power.

I originally purchased the MCX and enjoyed it so much I decided to try the MPX. I've had it for a couple of years and it hasn't given us anything but fun. It holds dime-sized groups at 15 meters and nickel-sized groups at 25. Function has been reliable with the only problem being the occasional pellet that won't fire, possibly because of small variances in pellet sizes. This was the perfect starter for an autistic teenager. He loves watching pieces of the shoot-n-c targets fly off.
As with the MPX the MCX is extremely accurate...Once sighted in, this airgun hits the bullseye every shot...
Nothing.
As with the MCX, the MPX uses the same mag and belt feed so, when loading your belt make sure to seat the pellet with the button wrench included...Finger load then punch them down with the button on the wrench...You will end any jam issues doing this...Oil...As with any airgun drop of oil on your co2 cylinder tip....Especially with the Sig's....Also...These guns are heavy so a bi-pod attached is a must for extended shooting...

There is a well known issue with this gun - a metal pin inside the gun falls apart and you have to completely disassemble it to correct the issue. After several times of this happening, the gas system inside the gun failed to seal. A broken o ring was discovered. These o rings are a very tight fit and it is impossible to put it back together once they come apart. Threw it in the trash after that.
Every single thing about this gun is amazing I love!!!
Not a thing!!
BUY BUY BUY!!!!
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Aug 14, 2026
By Keith
A great rifle! The weight of it is very nice. Extremely accurate! Puts Rats down No Problem!
Nothing.