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Mossberg 940 Pro Featuring Jerry Miculek | 12 Gauge Shotgun Review

shotgun review Mar 31, 2022

Today is a special day ladies and gentlemen - I'll be taking an in-depth look at the Mossberg 940 lineup (The Field, JM Pro, and Waterfowl editions) with the legend himself: Jerry Miculek. Let's go!!! Be sure to check out his channel (HERE)


  • The 940 Pro and 940 JM Pro come in between $900-$1,000 

 Quick Specs

  • All 12 gauge, All 3 inch 
  • All gas driven
  • 28"  Barrell EXCEPT the JM Pro is 24"
  • All come in around 7 pounds 
  • Length of Pull adjustable from 13" to 14 1/4" 
  • Comb and Heel are also fully adjustable
  • All run the Accuchoke system 
  • JM Pro comes with a magazine tube
  • Chrome lined chamber and barrel

Ergonomics/Look & Feel

  • The redesigned 940 has a smaller forend with more aggressive checkering for an improved grip
  • Pistol grip is nicely sized and textured
  • All controls are flawless and oversized
  • There is a cocking indicator in the trigger group
  • Magazine follower comes flush with the receiver to prevent finger pinching. It is also brightly colored  
  • Loading port is milled out and very smooth
  • All are standard with a top tang safety making mounting while putting the gun on fire much more efficient 
  • Field model is drilled and tapped for optic use
  • Waterfowl 940 and the standard 940 have a hi-vis sight on it - JM Pro has interchangeable light-pipes
  • All have anti-corrosive stainless steel return springs and stock mechanics with a water drain 


  • All triggers came in around 5.5 pounds - The "over travel" is adjustable by a screw on the JM Pro - Very cool
  • The triggers have an extra coating for a more confident pull

Ease of Breakdown

  • We broke down the 940 waterfowl edition
  • There are a lot of unique parts different than any other shotgun I'd ever seen
  • It was interesting the breakdown the gas system and understand a bit more how Mossberg is achieving lighter recoil
  • This new version of their gas piston system claims 1500 rounds before cleaning. This thing definitely runs clean!
  • The piston of the 940 waterfowl travels a much shorter distance to cycle the gun resulting in fewer breaking parts
  • But if parts break, they're all easy to work on or replace

Recoil and Reliability

  • All the 940's shot flawlessly. Recoil was minimal right back into the shoulder, and all shot from every position. Not much else to say!
  • The 940's have a spring loaded compensating system in the gas system on top of the piston which helps bleed out excess gas therefore reducing recoil 

Speed Shooting

I find this evaluation valuable because it tests how all the different aspects of a shotgun come together from getting on target, having an appropriate trigger pull, recovering from the recoil, and getting back on target. 

  • The fastest time I could accomplish with only a few attempts with the 940 was a 1.24
  • Jerry got a blazing 1.17!


In conclusion, This is definitely my favorite review to date - It was such an honor to have Jerry walk through the Mossberg 940 lineup with me. These guns performed awesomely and I learned a lot in the process!


Whether our targets in the field or our targets in life, we will only hit what we are focused on, so live the #targetfocusedlife


Stay Target Focused,



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