Rings, Mounts & BasesAmerican Defense ManufacturingSold by Brownells

American Defense Manufacturing

Delta Cantilever Scope Mount - 30mm 0 Moa 2 Cantilever Mount, Black

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

Quick-detach Cantilever

Scope mount for long-range AR

Flattop Ar-15

Receivers

30mm Ring

0 MOA cant

Cantilever Design

Positions the optic farther forward

Made Entirely

From 6061-T6 aluminum

$301.69
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SKU: 100038597

Overview

Built for flattop AR-15 setups, this quick-detach cantilever mount positions an optic farther forward on the rail to help create the spacing many shooters want for eye relief and accessory clearance. It is intended for rifle configurations where room behind the scope matters, such as when adding irons or a magnifier. The mount is made from 6061-T6 aluminum and uses the same ring spacing as the company’s Recon model. For hunters and serious rifle users assembling a streamlined optic setup, it offers a practical mounting solution without unnecessary bulk.

Why Hunters Choose the American Defense Manufacturing

Quick-detach Design

Supports fast optic removal and

Cantilever Layout

Positions the optic farther forward

Additional Room

Behind the ocular lens for

Flattop Ar-15

Receivers

Made Entirely

From 6061-T6 aluminum

Key Features

  • Quick-detach cantilever scope mount for long-range AR setups.
  • Designed specifically for flattop AR-15 receivers.
  • 30mm ring size with 0 MOA cant.
  • Cantilever design positions the optic farther forward on the rail.
  • Made entirely from 6061-T6 aluminum.
  • Black finish from American Defense Manufacturing.

Best Used For

  • AR-15 owners building a flattop setup with extended optic placement needs
  • Shooters wanting quick-detach mounting for a long-range AR optic
  • Users who need room behind the scope for irons or magnifiers
  • Hunters configuring a rifle system around a 30mm optic and accessories

Specifications

Accessory ClearanceProvides room behind the ocular lens for irons, magnifiers, and other accessories
ColorBlack
Eye Relief BenefitAllows optic to be mounted farther out on the rail
Material6061-T6 aluminum
Moa0
Mount TypeCantilever Scope Mount
Quick DetachYes
Receiver CompatibilityFlattop AR-15 receivers
Ring SpacingSame as the company's Recon mo
Tube Diameter30mm

Pros

  • Quick-detach design supports fast optic removal and reattachment on compatible setups.
  • Cantilever layout positions the optic farther forward on the rail.
  • Provides additional room behind the ocular lens for accessories.
  • Designed specifically for flattop AR-15 receivers.
  • Made entirely from 6061-T6 aluminum.
  • Uses the same ring spacing as the company's Recon mount.

Considerations & Trade-offs

  • Designed specifically for flattop AR-15 receivers, so it may not be the right fit for rifles outside that platform without confirming compatibility.
  • The 0 MOA configuration does not add built-in elevation, which may matter for shooters planning longer-range setups that need additional adjustment range.
  • As a cantilever mount, it shifts the optic forward to improve eye relief and free rail space, but that layout may not suit every optic placement preference.
  • Quick-detach functionality can be convenient, but it also adds another mechanical interface that should be checked for proper setup and repeatability.

Suggested Comparisons

  • One-piece cantilever scope mount
  • Quick-detach scope mount
  • AR-15 optic mount
  • 30mm scope ring mount

Suggested Accessories

  • Scope level
  • Torque wrench
  • Lens cleaning kit
  • Flip-up lens caps

Frequently Asked Questions

What type of rifles is the Delta Cantilever Scope Mount designed for?

The long description says it is designed specifically for use on flattop AR-15 receivers.

What is the main purpose of a cantilever scope mount like this one?

It allows the optic to sit farther forward on the rail, which provides enhanced eye relief and creates room behind the ocular lens for irons, magnifiers, and other accessories.

Is this a quick-detach mount?

Yes. The short description identifies it as a quick-detach scope mount.

What material is the mount made from?

The long description states that it is made entirely from 6061-T6 aluminum.

What optic tube size and mount configuration does this product use?

The product title identifies it as a 30mm cantilever mount with 0 MOA.