Featuring TriggerTech's Zero Creep Technology™, this drop-in trigger provides a true zero-creep break, extremely short over-travel and offers outstanding reliability, even in the harshest environments. Pull weight range of 2.5 - 5.0 lbs CLKR Technology Zero Creep Technology™, along with hardened 440C stainless steel internal components ensure corrosion resistance and an extended service life. As Zero Creep Technology™ does not rely on coating, polishing or lubricating the key engagement surfaces, trigger pulls will be more consistent from shot to shot and after thousands of shots more than you ever thought possible. All pull weights and measurements are approximate. Pull weights of TriggerTech Triggers are directly impacted by firing pin spring weight. Overweight firing pin springs may cause pulls weights to vary above the advertised range Trigger Control Details Trigger Lever Type: PVD Black Curved Trigger Action: Single Stage Zero Creep™: Yes TKR Technology: Yes CLKR Technology: Yes Overtravel: Sub 0.030"" Field Pull Weight: 2.5 lbs - 5.0 lbs Primary Pull Weight: 1.5 lbs - 4.0 lbs Warranty: Product lifetime Weapon Platform: Kimber Model 84/84L/8400 WSM/8400 Magnum Material Details Housing: 6061-T6 Aluminum (anodized) Key Components: 440C Stainless Steel PVD Black: Physical Vapor Deposition. It is a hard and durable coating that is applied to external stainless components to give them a clean black color.