Upgrade your AR-15 or AR-10 with the Patriot Ordnance Factory Drop-In Single Stage Trigger, engineered to deliver a crisp, clean, and consistent 3.5-pound trigger pull for enhanced accuracy, control, and overall shooting performance. Featuring a self-contained drop-in cassette design, installation is fast and straightforward with no special tools or gunsmithing required. Precision-machined from American A2 tool steel, the trigger, hammer, and disconnector are Nitride heat-treated for exceptional strength, wear resistance, and corrosion protection. A flat-faced trigger shoe provides a comfortable, repeatable finger placement for improved trigger control and consistency, making this trigger an excellent upgrade for competition, recreational shooting, or duty-style rifles.