Timney 670ST Competition Trigger AR-10 4 lbs Small-Pin Black/Gold

Description

The Timney 670ST Competition Trigger is a single-stage, straight trigger designed for AR-10 platforms. It delivers an exceptionally smooth, crisp, creep-free single-stage pull and is assembled with captive components in a lightweight aluminum alloy housing. Timney components are precision machined and individually tested and calibrated by hand. Its hammer is wire-EDM machined from S7 tool steel, while the EDM is cut from A2 tool steel.

Key Specifications

• This unit is a Competition Trigger.
• The pull weight is 4 lbs (non-adjustable).
• Compatibility is listed as Fits most AR-10 rifles (small pin).
• The pin size is .156″ small pin.
• The housing is made from aluminum alloy.
• Primary materials are steel and aluminum.
• The finish is Black/Gold.
• The trigger style is single-stage straight.
• Hammer/sear materials: hammer wire-EDM machined from S7 tool steel; EDM cut from A2 tool steel.
• Dimensions are 1.90 x 5.90 x 7.05 inches.

Engineered for competition and precision-oriented shooters, the 670ST provides a direct, consistent break and reliable engagement in small-pin AR-10 builds. Its combination of hardened steel components and a lightweight aluminum housing offers durable, repeatable performance for users seeking a crisp, single-stage trigger feel.