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Lewis Machine & Tool
Overview
The LMT 2-Stage AR-15 Trigger Gen 4 is a precision-engineered trigger designed for AR-15 and AR-10 platforms, featuring a two-stage design that enhances accuracy and control during shooting. With a pull weight range of 5 to 8 pounds, this trigger provides a balance between precision and responsiveness, allowing builders to fine-tune their shooting experience without the need for adjustments. You'll often find this trigger in builds utilizing a mid-length gas system chambered in 5.56 NATO, where improved trigger feel can significantly impact performance.
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Builders on GunPartPicker first added the LMT 2-Stage AR-15 Trigger Gen 4 to a build in February 2026.
Updated · from real builds on GunPartPicker
We ranked every trigger by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Trigger Popularity Report →Check it against the live catalog:
The part most often added in each category by the 3 builds that include this one

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Builds in the community that include the Lmt 2-Stage Ar-15 Trigger Gen 4
| Build | Parts | Total |
|---|---|---|
![]() | 16 | $1853.96 |
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