Aero Precision Rise Armament AP-140 Trigger Rifle Curved Bow 3.5lb Pull Black. Fixed at a crisp 3.5-pound pull with fast trigger reset and minimal over-travel this competition ready trigger allows you to shoot more accurately and much faster with much less effort. Specifications for Aero Precision Rise Armament AP-140 Rifle Triggers: Manufacturer: Aero Precision Color: Black Trigger Shape: Curved Trigger Pull Weight: 3.5 lb Trigger Pin Size: Mil-Spec Gun Make: Aero Precision Gun Model: AR-10 AR-15 Condition: New Country of Origin: USA Fabric/Material: 7075-T6 Aluminum Features of Aero Precision Rise Armament AP-140 Rifle Triggers Melonite coated internal parts Quik-Klik reset Curved trigger bow Fits most .308 and .223/5.56 AR style platforms Quality-assured with high-tech inspection equipment Lightened hammer Drop safety feature Package Contents: Aero Precision Rise Armament AP-140 Rifle Triggers What firearm models does the manufacturer say Aero Precision Rise Armament AP-140 Rifle Triggers is compatible with? The manufacturer says that Aero Precision Rise Armament AP-140 Rifle Triggers is compatible with AR-15 AR-10Aero Precision APRH101773: Rise Armament AP-140 Trigger Rifle Curved Bow 3.5lb Pull Black