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Magpul
Overview
The Magpul ESK Enhanced Selector Kit in Black is designed to provide builders with improved control and functionality for their AR-15 builds. Constructed from durable 7075-T6 aluminum and finished with nitride, this selector kit enhances the engagement feel and overall operation of your firearm. It is commonly found in mid-length gas system builds chambered in 5.56 NATO, making it a reliable choice for those looking to optimize their shooting experience.
Magpul ESK Enhanced Selector KIT in Black - Upgraded Selector KIT for Improved Control and Functionality - MAG1254-Black
Prices checked
Magpul ESK Enhanced Selector KIT in Black - Upgraded Selector KIT for Improved Control and Functionality - MAG1254-Black ranked #39 of the 133 safety selectors builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #40 of the 260 safety selectors builders have added. Builds with this safety selector are mostly chambered in 5.56 NATO (69%, then 300 Blackout 12%), split between mid-length (56%) and carbine-length (17%) gas systems, and mostly AR-15 (91%, then AR-10 9%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 8 retailers we track have it in stock. Prices barely moved in October 2026, holding around $47.45, with no real sale all month. Buying today, the lowest price is $46.75 at Optics Planet, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every safety by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Safety Selector Guide →The part most often added in each category by the builds that include this one

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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Magpul ESK Enhanced Selector Kit in Black - Upgraded Selector Kit for Improved Control and Functionality - MAG1254-BLK
| Build | Parts | Total |
|---|---|---|
![]() | 12 | $2104.57 |
![]() | 20 | $1499.31 |
![]() | 19 | $3004.67 |
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