MPN: 670


  • Self-contained drop in design
  • Lightweight 6061-T6 CNC Machined aluminum housing
  • Heat treated Tool steel trigger and sears
  • Single stage


  • Type: Single-Stage
  • Pull Weight: 4 lbs.
  • Pin Size: Small Pin (.154)


  • AR-10 / LR-308 platforms

**This Timney trigger (Model 670) is for the AR-10 / LR-308, if you need a AR-15 model, please look at the Timney AR-15 Drop In Skeletonized Trigger, or the Timney AR-15 Drop In Competition Trigger.

**This trigger will not work on AR-10 / LR-308 that have pins .168-.174" in diameter.

**NOTE: If you are using this trigger for a polymer lower receiver, please contact Timney for a special plate.


Triggers has been producing the “World’s Finest Triggers” for more than 50 years. Allen Timney established the company in 1946 to design easy-to-install triggers for those who owned military rifles. The company very quickly became the #1 name in the bolt-action rifle community for aftermarket triggers. Although the company has changes hands several times, it remains committed to providing customers with high-quality products they can rely on.

The World's Finest AR-10 Trigger

The Timney AR-10 drop in competition trigger assembly features a factory-set, four-pound trigger pull. The drop-in design of this single-stage trigger assembly permits it to be installed in minutes using your original hammer and trigger pins. No gunsmithing or additional adjusting is required. The straight design of this AR-10 trigger makes it the ideal choice for competitive events.

Machined from anodized 6061-T6 aluminum, this Timney AR-10 trigger offers you superior strength and durability. The hammer itself is EDM-machined from S7 tool steel and is treated with a nickel coating to ensure a smooth trigger pull that breaks like glass. The other components of this trigger assembly are EDM-cut from A2 tool steel and heat-treated to a Rockwell hardness of 56-60. Order your Timney AR-10 trigger today and experience the quality of one of the best triggers in the world.

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