The reversible selector axle provides 60- or 90-degree throw angle settings
Three polymer lever lengths are included for user ergonomic preference, and are keyed to the axle for a solid, no-wobble interface
Black or red selector pins add visual position indicator cueing
Bundle & saveDiscount applied automatically at checkout
Mix and match across the range: 2 items save 5%, 3 save 10%, 4 or more save 15% on your whole basket.
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£5 tracked UK deliveryOrder today — estimated delivery 7–10 business daysOrdered in from the manufacturer for you · Royal Mail Tracked 24 · tracking emailed on dispatchDelivery details
Fitment
Installs by removing pistol grip, and requires only simple tools.
Genuine manufacturer stockOrdered in from the brand for your order — never grey imports or copies.
30-day returnsChange your mind within 30 days of delivery, unused and boxed.
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Product details
Everything you need to know.
Description
The Enhanced Selector Kit (ESK) fits Mil-Spec AR lower receivers, providing ambidextrous operation and custom options that include three lever lengths, a 60- or 90-degree throw angle, and two selector pin colours. The reversible, corrosion-resistant steel selector axle and durable Magpul polymer levers can stand up to a lifetime of hard use.
An ambidextrous safety selector that’s customizable to your needs.
The ESK installs easily and quickly with no gunsmithing required. Made in the USA.
Why shooters choose the ESK Selector AR
The reversible selector axle provides 60- or 90-degree throw angle settings
Three polymer lever lengths are included for user ergonomic preference, and are keyed to the axle for a solid, no-wobble interface
Black or red selector pins add visual position indicator cueing
The heat-treated, QPQ finished chromoly steel selector axle and light but durable polymer levers are built to last under continuous hard use
The included detent has a friction-resistant coating for smooth, reliable functioning
Installs by removing pistol grip, and requires only simple tools
What the ESK Selector AR fits
Installs by removing pistol grip, and requires only simple tools. Available in Black, Flat Dark Earth.
Specifications
Brand
Magpul
Product
ESK Selector AR
Type
Lower Parts
Colours
Black, Flat Dark Earth
Material
Polymer
Origin
Made in USA
MPN
MAG1254
Genuine Magpul, ready to fit. Order the Magpul ESK Selector AR today — ordered in from the manufacturer for you and sent by Royal Mail Tracked 24, with delivery in 7–10 business days.
£5 tracked UK delivery on every order via Royal Mail Tracked 24. Our products are ordered in from the manufacturer rather than held in UK stock, so please allow 7 to 10 business days (Monday to Friday, excluding bank holidays) from the date of your order for it to reach you. Tracking details are emailed on dispatch. UK delivery only.
Returns
You have 30 days from receiving your order to cancel it for any reason, then 14 days to send it back unused and in its original packaging. Faulty, damaged or incorrect items are replaced or refunded and we cover reasonable return postage. Refunds go back to your original payment method within 14 days of receiving the return.
Black, Flat Dark Earth. Choose your colour from the options above.
What does the ESK Selector AR fit?
Installs by removing pistol grip, and requires only simple tools.
Where is it made?
Magpul makes it in the USA.
What is it made from?
Polymer, according to Magpul.
How is it delivered?
It is ordered in from the manufacturer for you and sent by Royal Mail Tracked 24, with delivery in 7–10 business days and £5 tracked UK delivery.
How long does delivery take?
7 to 10 business days from the date of your order. Every order is sent Royal Mail Tracked for a flat £5 and you receive tracking details by email when it is dispatched.
Is this a genuine manufacturer product?
Yes. We list only genuine parts and optics from the brands shown, ordered in from the manufacturer for your order.
Will it fit my rifle, shotgun or pistol?
Compatibility notes on this page come from the manufacturer. If you are unsure, email us with your make and model before ordering and we will check rather than guess.
Do you offer multi-buy discounts?
Yes. Bundle & Save applies automatically in your basket: 5% off when you buy 2 items, 10% off at 3 items and 15% off at 4 or more. It works across the whole range, so you can mix and match, and there is no code to enter.
Can I return it if it is not right?
Yes — you have 30 days from delivery to cancel for any reason, as long as the item is unused and in its original packaging. See our returns policy for the details.
Why Onyx Armaments
Bought once. Bought right.
Genuine manufacturer stockOrdered in from the brand for your order — never grey imports or copies.
£5 tracked UK deliveryRoyal Mail Tracked 24, 7–10 business days, tracking emailed on dispatch.
30-day returnsChange your mind within 30 days of delivery, unused and boxed.
Real answers, fastUnsure about fit? Email support@onyxarmaments.co.uk and we check with the maker.