Rings, Mounts & BasesAimpointSold by Brownells

Aimpoint

Twistmount For 3x Magnifier - Co-Witness Spacer

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

Quick-detach Mount

For Aimpoint 3x Magnifier

Twist-and-lift Release

For fast removal from the

Low-profile Base

Clamps to Picatinny-style rail

Extra-long Scope

Ring offers broad contact on

May Also

Fit other 30mm optics

$14.62
List Price: $37.00
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SKU: 100004137

Overview

This quick-detach mount is designed to let a shooter move a 3x magnifier out of the way when transitioning to close-range work, then return it to position just as quickly. Its low-profile base clamps to a Picatinny-style rail, while the extended ring gives a secure contact area on the magnifier body. It can also serve as a quick-detach option for other 30mm optics, and extra bases allow the magnifier to be shifted between rifles. The separately available co-witness spacer raises the sight axis for use with factory-height backup iron sights.

Why Hunters Choose the Aimpoint

Quick-detach Design

Lets you remove the magnifier

Supports Fast

Transitions between magnified use and

Low-profile Base

Clamps securely to Picatinny-style rails

Extra-long Scope

Ring provides broad contact area

Can Also

Serve as a quick-detach mount

Key Features

  • Quick-detach mount for Aimpoint 3x Magnifier
  • Twist-and-lift release for fast removal from the rifle
  • Low-profile base clamps to Picatinny-style rail
  • Extra-long scope ring offers broad contact on the magnifier body
  • May also fit other 30mm optics
  • Co-Witness Spacer available separately for factory-height backup iron sights

Best Used For

  • Hunters running an Aimpoint 3x Magnifier who want fast switching between magnified and close-range shooting.
  • Rifle users with Picatinny-style rails needing a low-profile quick-detach magnifier mount.
  • Shooters moving the same magnifier between rifles using extra TwistMount bases.
  • Users of other 30mm optics seeking a quick-detach mounting option.
  • Hunters pairing factory-height backup iron sights with a separately purchased Co-Witness Spacer.

Specifications

BaseLow-profile base
Blade FinishHardcoat anodized
ColorMatte black
Compatible OpticAimpoint 3x Magnifier
Compatible OpticsOther 30mm optics
Extra Twist Mount BasesSold separately
MaterialAluminum
Mount TypeQuick-detach mount
Rail TypePicatinny-style rail
Scope RingExtra-long scope ring
SpacerCo-Witness Spacer (available separately)

Pros

  • Quick-detach design lets you remove the magnifier by depressing the lever and twisting.
  • Supports fast transitions between magnified use and close-range shooting modes.
  • Low-profile base clamps securely to Picatinny-style rails.
  • Extra-long scope ring provides broad contact area on the magnifier body.
  • Can also serve as a quick-detach mount for other 30mm optics.
  • Optional Co-Witness Spacer raises sight axis for factory-height backup iron sights.

Considerations & Trade-offs

  • The co-witness spacer is sold separately, so achieving the intended sight height requires an additional purchase.
  • Extra TwistMount bases are sold separately, which adds cost if you want to move the magnifier between rifles.
  • This mount is designed around a 30mm optic body, so compatibility is limited to that size class.
  • The quick-detach design favors fast removal and repositioning, but it also means the setup depends on the user’s preferred rail and sight configuration.

Suggested Comparisons

  • 30mm magnifier mounts
  • Quick-detach optic mounts
  • Picatinny rail accessories
  • Backup iron sight co-witness spacers

Suggested Accessories

  • Picatinny rail accessory
  • Backup iron sights spacer
  • 30mm optic mount
  • Quick-detach mounting base

Frequently Asked Questions

What is this TwistMount designed to do?

It is a quick-detach mount for the Aimpoint 3x Magnifier, allowing you to remove the magnifier quickly when you want an unencumbered close-range sight picture.

Can this mount be used with optics other than the Aimpoint 3x Magnifier?

Yes. The product description says it may also be used as a quick-detach mount for other 30mm optics, but compatibility beyond that is not specified.

Does this mount attach to a Picatinny rail?

Yes. The low-profile base clamps to a Picatinny-style rail.

Is a spacer included for co-witness setup?

No. The Co-Witness Spacer is listed as available separately and raises the sight axis for proper co-witnessing with factory-height backup iron sights.

Can I move the magnifier between rifles with this system?

Yes, but extra TwistMount bases are sold separately. The description says this lets you quickly move your magnifier from one rifle to another.