Timney AR15 Competition Trigger


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Timney AR15 Competition Trigger

667S & 667S-ST – Timney’s Flagship Match Trigger

The self-contained module is ready to install in your small-pin AR and deliver an exceptionally smooth, crisp, creep-free single-stage trigger pull that feels more like a traditional bolt action than a combat rifle trigger. 100% drop-in—no gunsmithing, fitting, or adjusting required. All components are captive in the lightweight, aluminum alloy housing. The hammer is wire-EDM machined from S7 tool steel combing hardness to resist wear with superior impact resistance to withstand heavy use without chipping or breaking. Other components are EDM cut from A2 tool steel, then heat-treated to Rc 56-60 for long service life. Precision-ground engagement surfaces ensure superb reliability and a crisp, clean hammer release. Installs using your rifle’s original hammer/trigger pins; proprietary design eliminates pin walkout. Available with standard solid trigger shoe with choice of 3 lb, 4 lb. or 4.5 lb. pull weight.

Since founded in 1946, Timney Triggers has built a reputation based on the quality of its products. Because of the precision machining and workmanship that goes into each Timney product they are The World’s Finest Triggers.™ Each and every Timney Trigger is individually tested and calibrated by hand in the action it was designed for before it’s delivered to the customer’s door.

Trigger does NOT include Trigger & Hammer Pins!

See our entire selection of high performance AR Triggers.

Installation Instructions


  • Single-stage
  • Curved or Straight Shoe
  • Fits AR Platforms with .154 pinholes (Small Pin)
  • Drop-in design
  • Wire-EDM machined
  • Made in the USA.

Product Information

Manufacturer:  Timney Triggers
Model: AR-15 Competition
SKU: 667S | 667S-ST | 668S |668S-ST | 669S | 669S-ST
Style:  Drop-in
Platform: AR-15
Type: Single Stage
Pin Size: 0.154 MilSpec
Shoe Type: Curved | Flat
Pull: 3.5lb (667) | 4lb (668) | 4.5lb (669)
Warranty: Lifetime
MSRP:  $219.99


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Weight 4 oz
Dimensions 5 × 2 × 1 in




Trigger Shoe

Curved, Flat

Pull Weight

3lb, 4.5lb, 4lb

Pin Size

0.154 (Small Pin)

Trigger Type

Single Stage

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