Magpul ESK Enhanced Selector Kit installed on AR15 lower with hybrid lever

MAGPUL AR ESK (SAFETY SELECTOR)

MAGPUL
$48.95
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Description

Magpul ESK (Enhanced Selector Kit) – AR – Modular Ambidextrous Control

The Magpul ESK – AR is a modular ambidextrous selector kit designed for Mil-Spec AR-pattern lowers, offering user-configurable lever positions, modern ergonomics, and ultra-reliable functionality in the field.

Whether you're building a hunting rifle, general-purpose AR, or a rifle shared between multiple users, this kit allows you to dial in throw angle, selector style, and control feel—without tools or permanent modifications.

Key Features

  • 60° or 90° Throw Options
    Reversible selector axle allows for shorter or standard throw angles based on user preference

  • Fully Machined Axle
    Precision-machined from heat-treated chromoly steel with QPQ corrosion-resistant finish

  • Three Interchangeable Levers
    Includes Full-Length, Short, and Hybrid levers—press-fit design requires no screws or hardware

  • Selector Pins Included
    Comes with red and black indicator pins that serve as lever locks and visual selectors; installable with a small punch or hex key

  • Smooth Operation
    Detent and spring included; detent is corrosion-resistant and low-friction coated for tactile, consistent feel

  • Field-Serviceable
    Levers can be swapped without removing the grip once the axle is installed

  • Made in the USA

Compatibility

  • Fits all Mil-Spec AR-pattern lower receivers

  • Not compatible with select-fire (full-auto) receivers

Why We Recommend It

  • Complete Modularity: Lets you tailor selector feel and configuration to your specific shooting setup

  • Clean Fit & Finish: No wobble, no slop—everything presses together securely

  • Excellent for Hunting & Multi-User Rifles: Quickly configure for different shooters or control layouts

  • Trusted Performance: We’ve run this selector in several builds—performance has been flawless

Pro Build Tips

  • Apply a small dab of high-temp grease to both the selector detent and the detent channel for smoother, more consistent operation

  • Ensure the detent and spring are properly seated during reassembly to prevent selector tension issues

  • Test-fit your preferred lever configuration before finalizing your build—this saves time and ensures optimal ergonomics for your setup

Includes

  • Selector Axle (60° / 90° reversible)

  • Full-Length Lever

  • Short Lever

  • Hybrid Lever

  • Red and Black Selector Pins

  • Detent and Spring Kit