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Offset Red Dot Mount | 45 Degree Red Dot Mounts for AR-15


Offset Red Dot Mount | 45 Degree Red Dot Mounts for AR-15

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Offset Red Dot Mounts – 45° & 90° Tactical Mounting Solutions

In high-speed tactical environments or competitive shooting scenarios, offset red dot mounts offer a critical edge. These mounts allow shooters to transition instantly from a magnified optic to a secondary red dot sight—without adjusting their cheek weld or primary scope.

At Mounts Plus, we offer a curated selection of top-rated offset red dot mounts, compatible with Trijicon RMR, Aimpoint Micro, Holosun, and more. Whether you're running a 3-Gun rifle, duty AR-15, or LPVO setup, our mounts deliver the reliability and flexibility you need.


🔍 What Is an Offset Red Dot Mount?

An offset red dot mount is a firearm accessory that positions a red dot sight at an angle—usually 45 degrees—relative to your primary optic. This allows quick transitions between long-range magnified optics and close-quarters red dot targeting without removing your eye from the rifle.

Offset mounts are essential for:

  • LPVO + red dot combos

  • Backup sighting systems

  • Dynamic shooting & CQB transitions


🔧 Top Offset Red Dot Mount Options

Product Angle Footprint Mounting System Best For
Trijicon AC32066 45° RMR/SRO Picatinny Trijicon users, low-profile builds
Vortex RT45 45° T1/T2 Rear Picatinny LPVO backups, compact optics
Dueck Defense RTS Sights 45° Iron/Red Dot Offset Sights Duty rifles, professional setups
ZRODelta DLOC Micro 45° Micro Red Dots Picatinny Quick-detach for Micro optics
AIM Sports Angled Rail 45° Universal 1913 Picatinny Budget builds, AR-15 platforms

✅ Why Use an Offset Red Dot Mount?

  • Faster Target Acquisition
    Quickly switch between optics without head movement

  • Redundancy for Reliability
    Keep a second optic available if your primary fails

  • Saves Rail Space
    Mounts at an angle off your scope or receiver

  • Customizable Setup
    Compatible with popular micro red dot footprints and mounts

  • Ideal for LPVO Rigs
    Pair with 1–6x, 1–8x, or 1–10x scopes for tactical flexibility


⚙ Offset Red Dot Mount Use Cases

1. AR-15 LPVO Setup

Pair a Vortex Razor 1-6x with a Vortex RT45 mount + Micro red dot for CQB transitions.

2. Duty Rifle / Law Enforcement

Add a Trijicon RMR on an AC32066 45-degree mount for rapid backup sighting under pressure.

3. 3-Gun Competition

Combine a lightweight LPVO with a Dueck Defense RTS sight system for dynamic range stages.


🛠 Compatibility & Installation

Offset mounts work with most 1913 Picatinny rails, scope mount top rings, or handguard sections.
They are often optic-specific (RMR, ACRO, T1/T2), so select a mount that matches your red dot’s footprint.

Installation Tips:

  • Torque screws to manufacturer specs (usually 15–25 in-lbs)

  • Confirm optic alignment for true 45° sighting

  • Use thread locker for high-recoil firearms


❓ Offset Red Dot Mount FAQs

What’s the difference between 45° and 90° mounts?

  • 45° mounts are angled to the side for CQB transitions

  • 90° mounts place the optic directly above the primary optic (e.g. top ring or inline ROF mount)

Which red dots work with offset mounts?

Popular compatible optics include:

  • Trijicon RMR/SRO

  • Aimpoint Micro (T-1, T-2)

  • Holosun 507C/403/503

  • Leupold DPP

  • Sig Romeo5

Can you use an offset mount with an LPVO?

Yes. This is one of the most common configurations. Place the red dot at 45° for fast close-range engagement alongside your LPVO scope.


🛒 Buy Offset Red Dot Mounts at Mounts Plus

We stock the industry’s top offset mounts for red dots, iron sights, and tactical optics. Whether you're building a lightweight patrol rifle or prepping for your next 3-Gun match, Mounts Plus offers:

  • ✅ Trusted brands like Trijicon, Vortex, ZRODelta

  • ✅ Quick shipping and U.S.-based support

  • ✅ Expert guidance to match your optic and firearm