September 21, 2025

Monstrum Airsoft Gun Scope Mount Review

Monstrum First Impressions

"I used one of these on a."

Being new to the area world I didn't realize a riser would be needed. My father now owns multiple of these too. Goes perfect with the Bushnell TRS-25 Red Dot, no movement or loss of zero. , maybe not a Leupold or Nikon M-series. Scope height was perfect for a nice cheek weld on the carbine stocks. While it is not elegant looking, it is extremely functional. I also like the two holes in the wing nut.

  • Editor's Impressions Of The Monstrum

  • Build Quality
  • Value For Money
  • Feature Set

Monstrum Final Thoughts

"22 cal Air Rifle."

They are holding a Nikon Prostaff 3-9x40 BDC on a FNAR. It will need a bit of torque to secure but nothing over bearing. I recommended it to a couple of friends, and they are every bit as satisfied as I am. My springer came crashing down off lap and slid into the handle bars. They hold zero, they're fairly robust, and they even come with extra hardware. I've found a lot of value in different UTG products. This mount has not moved around much, if at all, on any guns I put it on.

Overall Score
4.7


(2218 Points)
Check Price BUY NOW ON AMAZON
  • Monstrum Features & Specs
  • Picatinny rail mount for Mossberg 500 and 590 Series and equivalent shotguns
  • Allows for the mounting of Picatinny or Weaver standard scopes, red dots, magnifiers, or other optics
  • Installs via included set screws into the Mossberg factory mounting holes
  • Crafted from lightweight aluminum, 5.4 inches in length and 1.4 ounces in weight

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