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SIG Sauer MPX CO2 Rifle, Dot Sight, Black

4.52 reviewsReview, article, latest buzz
SIG Sauer MPX.

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1-year limited warranty



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  • SIG Sauer MPX rifle
  • Uses an 88- or 90-gram CO2 cartridge
  • Semiauto
  • Rifled steel barrel
  • 30rd Roto Belt pellet magazine
  • Adjustable flip-up front sight
  • Adjustable flip-up rear sight
  • Synthetic stock
  • Metal housing
  • Weaver/Picatinny optics rail
  • Weaver/Picatinny accessories rail
  • Manual safety
  • Life-tested with 15,000 shots
  • Includes SIG 20R red dot sight with integral mount
  • Available to US customers exclusively
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other products by SIG Sauer

Caliber0.177" (4.5mm)
Max Velocity575 fps
Barrel Length8.0"
Overall Length25.8"
Shot Capacity30
Front SightFlip-up, adjustable
Rear SightFlip-up, adjustable
Suggested forPlinking/Fun
Body TypeRifle
Fixed/adj. powerFixed

other products by SIG Sauer

Average Customer Review

4.5 (2 reviews)
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5.0 5.0

5.0 5.0

5.0 5.0

By davetc8 from USA on 2017-06-10
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3.52 ratings

Things I liked: EVERYTHING!! The Feel The Look The Action!!! Great Gun one of my very favorites. Right out of the box I knew this gun was special. I shot 180 rounds with 88gr. CO2 cartridge at 15 yards No jams No problems. Would not peirce tin can but I am still checking out dif pellets I used destroyer and excite copper so far.

Things I would have changed: Nothing, its good to go as is. Weight, look and feel are all so realistic It rates right up there with my best airguns.

What others should know: Long ago I ordered the .22 cal version which never came. Get more .177 pellets and more Mags to make it more fun. 2 or 3 more should do it.


4.0 4.0

5.0 5.0

5.0 5.0

By E. from USA on 2016-01-16
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4.01 rating

Things I liked: The weight and construction of this is "right"! At almost 8lbs, it feels and handles like the real deal. It is balanced and the trigger pull is better than average. It will take a couple mags to get a feel for the trigger. Can't wait for the PCP version.

Things I would have changed: The roto mag action is a little choppy ant times but a little lube or break in might fix that. I wish the ejector port had an actual spring loaded door.

What others should know: This rifle is an absolute blast to shoot. Out of the box with the red dot, it was 4" low, but windage was good. Shot 3" groups at 15m. I'm new to airguns, but this gun is very cool. Plus it saves on 9mm ammo. I bought several weight pellets and found that a medium weight does very well. HyperMax does well but has very little penetration. You better buy plenty of CO2 and extra mags.


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  • Simon from Taiwan asked:

    Hi! I'd like to know the material of the buffer. Also I wonder is the buffer can be separated in several parts. Please tell me soon.

    • Lorence from USA asked:

      what will happen if you dont pull the charging handle after you insert the magazine?

      • Tyler from USA:

        You won't cock the gun, so nothing.

    • Jacko from USA asked:

      can in it be shipped to a PO Box Miami ?

      See all discussions

      Item Description

      SIG-A-MPX177RDB [PY-3717-7140]
      30rd Roto Belt mag, semiauto, SIG 20R red dot sight & mount
      Caliber0.177" (4.5mm)
      Max Velocity575 fps

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