Rings, Mounts & BasesAmerican Rifle CompanySold by Brownells

American Rifle Company

M-Brace Scope Rings - 40mm X-High (1.42'''') Scope Rings Black

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

40mm X-high

A 1.42-inch height

Designed Fit

Picatinny (MIL-STD-1913) rails

Cnc Machined

From high-strength 7075 aluminum

Excellent Return-to-zero

Performance

Available Diameter,

Height, and inclination you need

$224.00
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SKU: 100050404

Overview

Built for rifles set up on Picatinny rails, these scope rings are intended for shooters who want a secure optic mounting solution with return-to-zero capability. The 40mm, X-high configuration is part of a broader range of diameter, height, and inclination options, making it easier to match the rings to a specific rifle and optic setup. CNC-machined from high-strength 7075 aluminum, they reflect a more deliberate engineering approach than simple accessory hardware. For hunters and riflemen who prioritize a precise, repeatable mount, this is a practical choice for a serious field or range rifle.

Why Hunters Choose the American Rifle Company

Excellent Return-to-zero

Design for maintaining optic alignment

Cnc Machined

From high-strength 7075 aluminum

Made Fit

Picatinny (MIL-STD-1913) rails

Available Diameter,

Height, and inclination you need

Built American

M-BRACE as an evolution of

Key Features

  • 40mm X-High scope rings with a 1.42-inch height.
  • Designed to fit Picatinny (MIL-STD-1913) rails.
  • CNC machined from high-strength 7075 aluminum.
  • Built for excellent return-to-zero performance.
  • Available in the diameter, height, and inclination you need.
  • Made by American Rifle Company.

Best Used For

  • Hunters using Picatinny rails who need a 40mm scope ring setup with X-high height.
  • Riflemen prioritizing return-to-zero performance in a repeatable optic mounting system.
  • Shooters building a scoped rifle with compatible diameter, height, and inclination requirements.
  • Users who prefer CNC-machined 7075 aluminum components from American Rifle Company.
  • Hunters and precision shooters seeking a USA-made mounting solution for serious rifle setups.

Specifications

ColorBlack
Country Of OriginUSA
Diameter40mm
HeightX-High (1.42'''')
MaterialCNC Machined High-Strength 7075 Aluminum
Rail CompatibilityPicatinny (MIL-STD-1913) rails
Return To ZeroExcellent

Pros

  • Excellent return-to-zero design for maintaining optic alignment after removal and reinstallation.
  • CNC machined from high-strength 7075 aluminum.
  • Made to fit Picatinny (MIL-STD-1913) rails.
  • Available in the diameter, height, and inclination you need.
  • Built by American Rifle Company, with M-BRACE as an evolution of the M10 ring line.

Considerations & Trade-offs

  • Designed for Picatinny (MIL-STD-1913) rails, so compatibility depends on that rail standard rather than a universal fit.
  • The 40mm X-High height is a specific fit choice; it may not suit every optic setup or mounting preference.
  • At $224, these rings sit in a premium price range, so they make the most sense when the fit and return-to-zero features are important to the build.
  • The product description emphasizes engineering and return-to-zero, but does not provide detailed installation or adjustment guidance, so setup requirements may need to be confirmed separately.

Suggested Comparisons

  • Scope rings
  • One-piece scope mounts
  • Picatinny rail mounting accessories

Suggested Accessories

  • Scope level
  • Torque wrench
  • Picatinny rail accessory
  • Lens cleaning kit

Frequently Asked Questions

What rail type do these scope rings fit?

They are designed to fit Picatinny (MIL-STD-1913) rails.

What ring size and height are listed for this model?

This model is listed as 40mm X-High, with a 1.42" height.

What material are the M-BRACE Scope Rings made from?

The product description states they are CNC machined from high-strength 7075 aluminum.

What does the product description say about return-to-zero?

The description says the rings offer excellent return-to-zero.

Who makes these scope rings?

The manufacturer listed is American Rifle Company (ARC).