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Primary Arms

Primary Arms SLx 3x Magnifier Gen II

The value benchmark for 3x magnifiers — solid glass, flip mount included, well under $200.

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Quick Specs

Price
$149
Weight
N/A
Brand
Primary Arms
Category
magnifier

Features

  • •3x magnification
  • •Flip-to-side mount included
  • •Adjustable diopter
  • •Multi-coated glass

Capability Boosts

Long Range+2
Mobility+-1

Recommended For

Range Training+2
Outdoor Defense+2

Compatibility Tags

interface: picatinny-topsuitable-for: ultra-compactoptic-type: magnifier

Overview

The Primary Arms SLx 3x Gen II is the go-to recommendation for budget-conscious shooters who want a functional magnifier without crossing $200. The Gen II revision improved glass coatings and mount quality over the original, closing the gap with mid-tier competitors considerably.

Key Features

  • ✓3x magnification with multi-coated glass
  • ✓Flip-to-side mount included in the box
  • ✓Adjustable diopter for sharp focus
  • ✓Compact body keeps weight reasonable

Pros

  • +Best price-per-performance ratio in the 3x magnifier segment
  • +Mount included — no additional purchase required
  • +Glass quality punches above its price class

Cons

  • −Mount not as robust as premium competitors
  • −Eye relief slightly shorter than EOTech or Aimpoint options

Detailed Specifications

Magnification
3x
Mount Type
Flip-to-side (included)

Compatible Platforms

+54 more

Custom

Custom AR-15 (Build From Scratch)

Palmetto State Armory

PSA PA-15 16" Carbine

Smith & Wesson

Smith & Wesson M&P15 Sport II

Diamondback Firearms

Diamondback DB15 16"

Aero Precision

Aero Precision M4E1 Complete Rifle 16"

Bravo Company Manufacturing

BCM RECCE-16 MCMR

Pairs Well With

Top matches

Palmetto State Armory

PSA PA-15 16" Carbine

1 shared compatibility tags

Good

Smith & Wesson

Smith & Wesson M&P15 Sport II

1 shared compatibility tags

Good

Diamondback Firearms

Diamondback DB15 16"

1 shared compatibility tags

Good

Sig Sauer

Sig Sauer M400 Tread

1 shared compatibility tags

Good

Palmetto State Armory

PSA Sabre

1 shared compatibility tags

Good

CAA

CAA MCK for Glock

1 shared compatibility tags

Good

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Add the Primary Arms SLx 3x Magnifier Gen II to your build and see how it enhances your platform.

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