Partisan Triggers The Disruptor Rifle Trigger AR-15 Curved 3.75-4.1lb Green. It requires no modification gunsmithing or fitting. Built for shooters who value precision and control it features a three-position safety selector with Safe Semi- Automatic and Enhanced Semi-Automatic modes. This versatile trigger delivers a responsive and confident shooting experience while maintaining reliability and safety for users. Specifications for Partisan Triggers The Disruptor Rifle Trigger: Manufacturer: Partisan Triggers Fabric/Material: 4140 Chrome Moly Steel Trigger Shape: Curved Trigger Pull Weight: 3.75 - 4.1 lb Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Included Accessories: Standard Condition: New Features of Partisan Triggers The Disruptor Rifle Trigger Tool steel and 4140 chromoly used on all wear surfaces for superior strength durability and long service life. Compatible with most lowers; anti-walk pins recommended. Requires a minimum H2 (recommend H3) carbine buffer weight for firearms with carbine extensions and 16" or shorter barrels or a standard rifle buffer for 20 A2 stocks. Tested beyond 6000 rounds under a course of fire derived from the USMC M27 IAR evaluation criteria. Package Contents: Partisan Triggers The Disruptor Rifle Trigger Anti-Walk Pins 3 Pos. Safety What firearm models does the manufacturer say Partisan Triggers The Disruptor Rifle Trigger is compatible with? The manufacturer suggests that Partisan Triggers The Disruptor Rifle Trigger is compatible with AR-15Partisan Triggers 2: The Disruptor Rifle Trigger AR-15 Curved 3.75-4.1lb Green