Triggertech AR-9 Two Stage Duty Trigger Flat Straight 3.5lb Pull Weight Black. Inspired by active MIL / LE Operators these triggers offer a longer take up (on two-stages) and a more forceful reset. Specifications for Triggertech AR-9 Two Stage Duty Trigger: Manufacturer: Triggertech Color: Black Trigger Pull Weight: 3.5 lb Trigger Pin Size: 0.154 in Gun Make: AR Platform Gun Model: AR-9 Gun Type: Rifle Finish: PVD Black Features of Triggertech AR-9 Two Stage Duty Trigger Reliability; confident in the triggers performance even in the harshest environments. Trigger Break; Zero Creep Technology creates a crisp break every time. Service Life; proprietary design outlasts the competition. Longer and Heavier first-stage. Heavier reset force. Cost-sensitive price point. 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. Package Contents: Triggertech AR-9 Two Stage Duty Trigger What firearm models does the manufacturer say Triggertech AR-9 Two Stage Duty Trigger is compatible with? The manufacturer says that Triggertech AR-9 Two Stage Duty Trigger is compatible with AR-9Triggertech AH9-TDB-33-NNF: AR-9 Two Stage Duty Trigger Flat Straight 3.5lb Pull Weight Black