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Most Recent Reviews
As advertised, no complaints by rswartze, Verified Owner, August 26, 2026
Fit and working as I expected. No complaints. Simple and inexpensive. Sighted in, apparently holding zero for now.
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Product Info for Monstrum Deadlock Series Dual Ring Scope Mount

The next generation of Monstrum Scope Mounts is here with a brand new look! With a rigid unibody design with strategically placed lightening cuts to reduce weight - the Monstrum Deadlock Series provides rock-solid mounting of your rifle scope at the absolute minimum amount of weight possible. The lightweight design, evolved over several generations of Monstrum scope mount products, brings the weight down to a mere 4.3 ounces - 30% lighter than our previous generation Slim Profile Series scope mounts. The Deadlock Series scope mount is offered in 3 different mount configurations allowing for optimum placement of your optic. Inline Rings - Scope rings positioned perpendicular to the mounting base with no offset 1 inch Offset Rings - Scope rings positioned 1 inch forward from the mounting base 2 inch Offset Rings - Scope rings positioned 2 inches forward from the mounting base 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. Mount frame crafted from lightweight 6061 grade aluminum with hardened steel Torx mounting hardware to prevent stripping of the bolts. The Deadlock Scope Mount is available for 1 inch, 30 mm, and 34 mm diameter rifle scope tubes.image

Specifications for Monstrum Deadlock Series Dual Ring Scope Mount:

Manufacturer: Monstrum
Color: Black

Features of Monstrum Deadlock Series Dual Ring Scope Mount

  • All new rigid unibody design with strategically placed lightening cuts to reduce weight.
  • A lightweight 3.7 ounces for the inline version to 3.9 ounces for the long offset version- 25% lighter than our previous generation Slim Profile Series scope mounts.
  • 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.

Package Contents:

  • Monstrum Deadlock Series Dual Ring Scope Mount

Monstrum Deadlock Series Dual Ring Scope Mount Orderable Models

List of Orderable Models

  • Monstrum Deadlock Series Dual Ring Scope Mount, 1 inch Offset Cantilever, 30 mm Diameter, Black, ZS143 , MPN: ZS143 , UPC: 810088816789 , Code: MON-SCM-M1DSDR4-ZS143
  • Monstrum Deadlock Series Dual Ring Scope Mount, Inline Rings, 1 inch Diameter, Black, ZS138 , MPN: ZS138 , UPC: 810088816727 , Code: MON-SCM-M1DSDR4-ZS138
  • Monstrum Deadlock Series Dual Ring Scope Mount, Inline Rings, 30mm Diameter, Black, ZS139 , MPN: ZS139 , UPC: 810088816734 , Code: MON-SCM-M1DSDR4-ZS139
  • Monstrum Deadlock Series Dual Ring Scope Mount, 1 inch Offset Cantilever, 1 inch Diameter, Black, ZS142 , MPN: ZS142 , UPC: 810088816772 , Code: MON-SCM-M1DSDR4-ZS142
  • Monstrum Deadlock Series Dual Ring Scope Mount, 1 inch Offset Cantilever, 34 mm Diameter, Black, ZS144 , MPN: ZS144 , UPC: 810088816796 , Code: MON-SCM-M1DSDR4-ZS144
  • Monstrum Deadlock Series Dual Ring Scope Mount, Inline Rings, 34mm Diameter, Black, ZS140 , MPN: ZS140 , UPC: 810088816765 , Code: MON-SCM-M1DSDR4-ZS140
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Last updated 2026-09-18 UTC.