The Triggered Company The Disruptor Assisted Reset Rifle Trigger w/ Ambi AR-15 Curved 7-4.1lb 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. Now including our SBW (Swings Both Ways) Ambi Selector. Specifications for The Triggered Company The Disruptor Assisted Reset Rifle Trigger w/ Ambi: Manufacturer: The Triggered Company Fabric/Material: 17-4 Stainless Steel Trigger Shape: Curved Trigger Pull Weight: 3.7 - 4.1 lb Trigger Pin Size: Mil-Spec Hand: Ambidextrous Gun Make: AR Platform Gun Model: AR-15 Features of The Triggered Company The Disruptor Assisted Reset Rifle Trigger w/ Ambi 17-4 Stainless 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: The Triggered Company The Disruptor Assisted Reset Rifle Trigger w/ Ambi Anti-Walk Pins 3 Pos. Ambi Selector What firearm models does the manufacturer say The Triggered Company The Disruptor Assisted Reset Rifle Trigger w/ Ambi is compatible with? The manufacturer says that The Triggered Company The Disruptor Assisted Reset Rifle Trigger w/ Ambi is compatible with AR-15The Triggered Company 3: The Disruptor Assisted Reset Rifle Trigger w/ Ambi AR-15 Curved 3.7-4.1lb Green