Gun Engineer Trigger for AR-15

Upgrade or replace your AR-15 fire control group with the Stag Arms Mil-Spec Trigger—a durable, no-nonsense component built to deliver consistent performance. This trigger is designed to fit all AR-15 platforms that accept standard mil-spec parts, making it an ideal option for builds, repairs, or replacements.

This trigger is built to meet military specifications for reliability and function. Gun Engineer is widely respected for producing high-quality components—especially their left-handed AR-15 rifles—and maintains full U.S. production standards. Whether you’re building a rifle from the ground up or refreshing an existing setup, this mil-spec trigger from Stag Arms delivers proven performance with American-made quality.

Key Features:

• Fits all AR-15 rifles with mil-spec lower receivers.
• Standard mil-spec trigger group.
• Ideal for replacements, repairs, or new builds.
• Known Stag quality and reliability.

See our complete line of AR-15 Products here

Remarque : Ingénieur en armement recommande toujours que toute pièce soit installée par un armurier qualifié et formé. Gun Engineer encourage l'utilisation de pratiques et d'équipements de sécurité lors de toute intervention sur une arme à feu.