Timney Impact AR Trigger — 3-4 lb Small Pin Black

The Timney Impact AR Trigger is an aftermarket drop-in trigger intended for use in most Mil-Spec AR-15 platforms. It ships factory set to a 3-4 pound pull for a crisp, clean break and installs using the rifle’s original hammer and trigger pins. The design places all components captive within a lightweight aluminum alloy housing and uses high-grade tool steels for durable service life. Finish is black and the unit is supplied in a small-pin (.156″) configuration that fits the majority of AR-15 rifles.

Key Specifications

• The factory pull weight is 3-4 pounds.
• The pin configuration is small pin (.156″) and fits most AR-15 rifles.
• The housing is made from lightweight aluminum alloy.
• The hammer is machined from S7 tool steel.
• Other internal components are EDM-cut A2 tool steel with a black carbon nitride finish.
• All components remain captive inside the housing for consistent function.
• The finish is black.
• The product is intended as an AR-15 aftermarket trigger for Mil-Spec installations.
• The unit installs using your rifle’s original hammer and trigger pins.

Manufactured with precision machining and heat-treated tool steels, the Timney Impact AR Trigger is built to deliver a dependable, crisp break and long service life without relying on stamped or low-grade components. Its captive internal layout and robust materials make it a practical upgrade for shooters seeking a reliable, consistent trigger feel in a small-pin AR-15 configuration.