AR-15 Semi-Auto Trigger
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Luth-AR
Overview
The Luth-AR AR-15 Semi-Auto Trigger is designed as a single-stage trigger, which means that there is no take-up or pre-travel before the shot breaks, providing a crisp and direct pull for improved accuracy. This design enhances the overall shooting experience by allowing for quicker follow-up shots, making it a solid choice for builders looking to optimize their trigger response. This trigger is frequently found in builds chambered for 5.56 NATO, where precision and rapid firing are key considerations.
Specifications
Build history on GunPartPicker
Builders have been adding the Luth-AR AR-15 Semi-Auto Trigger to their builds on GunPartPicker since February 2026. All time, it ranks #285 of the 444 triggers builders have added.
It was hard to find in August 2026, in stock on only 5 of the 15 days we checked, and today 3 of the 4 retailers we track have it in stock. It dipped to $12.32 at Optics Planet for a stretch in August 2026, under its usual $12.99, so sales do come around. Buying today, the lowest price is $11.99 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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We ranked every trigger by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Trigger Popularity Report →Frequently Built With
The part most often added in each category by the 8 builds that include this one
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LBE Unlimited AR-15 A2 Pistol Grip, Black - ARGRP
PSA AR-15 Blem "Stealth" Stripped Lower Receiver
PSA AR15 Rear Take Down Pin - 7286
LBE Unlimited AR-15 Magazine Release, Black - ARMAGBUT
B5 Systems Polymer Trigger Guard - OD Green
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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