TriggerTech Diamond AR Trigger Flat PVD Black

The AR Diamond Trigger is an adjustable trigger designed to enhance the accuracy and precision of an AR for top competitors, long range shooters and enthusiasts looking to improve their shooting.Intended UseLong range, 3 Gun, competition, precision shooting, harsh environments, law enforcement, military, target shooting, varmint hunting. Trigger Control Details 1st Stage Weight: 4 oz 2nd Stage Weight: 20 oz - 3.75 lbs Total Pull Weight: 1.5 lbs - 4.0 lbs Zero Creep(TM): Yes TKR(TM): Yes - Min Overtravel CLKR(TM): Yes - Inc. Adjustable Flat Wire(TM): Yes - Hard Primer Compatible Take Up Distance: 0.035" Overtravel: Sub 0.015" Reset: Sub 0.030" Pin Size: Mil Spec 0.154" Material: 7075 Aluminum & Stainless Internals Warranty: Product Lifetime Material Details Housing: 7075 Aluminum (anodized) 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.