The design of our new Duty Line was driven by feedback from military and law enforcement operators. Pull weight range of 3.5 - 5.5 lbs Available with curved or flat trigger lever The AR Duty line is the latest in TriggerTech triggers that offers robust reliability without compromising performance. Inspired by active MIL / LE Operators these triggers offer a longer take up (on two-stages) and a more forceful reset. All pull weights and measurements are approximate. Trigger Control Details Trigger Lever Type: Traditional Curved or Flat Straight Trigger Action: Single-Stage Zero Creep™: Yes TKR Technology: Yes CLKR Technology: Yes FLTWR Technology: Yes Creep: 0.000" Overtravel: 0.060" Reset: 0.070" Reset Feel: Tactile mid force Hammer Strike Force: Full Pin Size: Standard Mil-Spec Pin 0.154" (trigger pins not included) Satisfaction Guarantee: 30 days Warranty: Product lifetime Weapon Platforms: AR-15 Material Details Housing: EZAC Diecast Key Components: 440C Stainless Steel PVD Black – PVD stands for Physical Vapour Deposition. It is a hard and durable coating that is applied to external stainless components to give them a clean black color.