ALG Defense Quality Mil-Spec Trigger - QMS

The ALG Defense Quality Mil-Spec (QMS) Trigger is a precision-engineered upgrade for AR-15 platforms, designed for shooters who value traditional mil-spec performance with smoother operation and enhanced reliability. Built to meet U.S. military specifications, the QMS maintains a pull weight above 5.5 lbs, eliminating the grittiness of standard triggers while preserving their legendary dependability. Ideal for duty rifles, armorer builds, or any application requiring mil-spec compliance, this drop-in AR trigger upgrade delivers improved performance without sacrificing regulatory compatibility.

Features:

• Smooth, consistent pull with improved sear surface finish
• Maintains standard sear geometry for maximum reliability
• Constructed from military-spec 8620 alloy steel and 1070 high-carbon steel
• Trigger and hammer pins made from durable 4140 chrome-moly steel
• Pull weight approximately 6.5 lbs, compliant with M4/M16 military standards
• Compatible with standard installation procedures and spare parts
• Corrosion-resistant springs and full-force hammer spring for reliable ignition
• Pins are precision-ground 0.001" over standard to reduce play
• No matched sets—parts are interchangeable for easier maintenance
• Assembled in the USA