Monstrum Defcon Series Cantilever Scope Mount | 30 mm Diameter
Monstrum Defcon Series Cantilever Scope Mount | 30 mm Diameter
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Monstrum Tactical

Monstrum Defcon Series Cantilever Scope Mount | 30 mm Diameter

|5 ratings
Monstrum Defcon Series Cantilever Scope Mount | 30 mm DiameterMonstrum Defcon Series Cantilever Scope Mount 30 mm DiameterMonstrum Defcon Series Cantilever Scope Mount 1 inch DiameterMonstrum Defcon Series Cantilever Scope Mount 34 mm Diameter
Material:30mm Tube Size

Key item features

  • Next generation of Monstrum Scope Mounts with a new ultra-lightweight design, sleeker more aggressive machining, and more mounting options
  • Lightweight design, evolved over several generations of Monstrum scope mount products, brings the weight down to a mere 3.7 ounces for the inline version to 3.9 ounces for the long offset version- 25% lighter than our previous generation scope mounts
  • 2 inch forward offset rings for more flexible scope placement. Available for both 1 inch, 30 mm, and 34 mm diameter rifle scope tubes.
  • Mounts to any flat top Picatinny equipped rifle with custom Picatinny locking bolts that slot seamlessly into your Picatinny rail with zero wiggle - guaranteed to hold zero against the toughest of recoil
  • All Monstrum products are backed by a lifetime guarantee
Current price is $26.99
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  • Free shipping
  • Free 30-day returns

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Arrives between May 26 - May 29
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Sold and shipped by Monstrum Tactical
4.496815286624204 stars out of 5, based on 157 seller reviews(4.5)
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Showing 1-3 of 5 reviews

Jan 22, 2026
Jaiden Champion
5 out of 5 stars review

Awesome product

I got this for an ar build and I absolutely love it. I haven't shot the rifle with it yet but I have high expectations. I used to work as a gun clerk for a local gun shop and have mounted many scopes. I've seen low end rings and high end rings. Most rings I worked with were 100+ dollars. This ring cost me 39 bucks and is just as good quality wise as some of the high end counterparts on the market. Lifetime customer for sure!

Review from monstrumtactical.com
Helpful?38BV95FB2WCJ18934066405
Feb 3, 2026
Kevin M
5 out of 5 stars review

Outstanding value for 34mm cantilever mount.

How they can sell these for under a hundred dollars I do not know, I'm just glad they do. Very solid mounts and inexpensive enough to keep a few on the shelf 'just in case'.

Review from monstrumtactical.com
Helpful?38BV95FB2WCJ18934066405
Jan 10, 2026
Christopher White
5 out of 5 stars review

So far so good

Swapped this for my factory tango msr 1-8 mount to save some weight. Holds zero fine so far and looks better too.

Review from monstrumtactical.com
Helpful?38BV95FB2WCJ18934066405