AR-15 Trigger
The United Defense AR-15 Trigger is a mil-spec single-stage trigger designed as a direct drop-in for any standard AR-15 or M4-pattern lower receiver. Built from hardened steel with a traditional curved bow, it delivers the familiar AR fire control feel that millions of shooters have trained on. Standard .154" pin holes mean no fitting headaches — just install it in place of your factory or worn-out trigger and go. A solid choice for AR builders, range rifles, duty-style carbines, and anyone who wants a dependable spare in the parts bin.
In stock
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- SKU
- N9349115
$14.95
Description
Features
- Mil-Spec AR-15 Compatibility — Built to standard mil-spec dimensions for direct fit in any standard AR-15 / M4 lower receiver.
- Single-Stage Design — Reliable single-stage trigger pull based on the proven M16/AR-15 fire control geometry for consistent break after break.
- Hardened Steel Construction — Heat-treated steel trigger, hammer, and disconnector stand up to high round counts and hard use.
- Curved Trigger Bow — Traditional curved face provides a familiar index point and comfortable trigger finger placement.
- Complete Fire Control Group — Drop-in replacement for worn or damaged factory triggers in duty, range, and home-defense builds.
- Standard Pin Holes — .154" pin holes match standard AR-15 lower receivers — no oversize pins or custom housings required.
- Semi-Auto Function — Engineered for safe, dependable semi-automatic operation in civilian AR-15 platforms.
- Budget-Friendly Upgrade — Affordable replacement or spare for builders, armorers, and anyone keeping a parts bin stocked.
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Customer Reviews
Top customer reviews
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Fast DeliveryI bought two of these triggers. Used one for repair, other is stored in my spares box.
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Just as pictured.Would Recommend this part
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THANKS KSCheapest price I could find that was available. Delivery was speedy through Fedex.
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Quick ProcessingDrop In spare trigger for my AR15.
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Great for meI ordered two of these triggers. Using one for repair, other is stored in my spares box.
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