Enhance the performance and usability of your AR-15 platform with the Rise Armament Combo Kit featuring the RA-535 Black Trigger and RA-6423 Black Ambidextrous Safety Selector. This precision-engineered pairing delivers a crisp single-stage trigger pull combined with reliable ambidextrous control, helping shooters achieve faster target acquisition and smoother operation in dynamic scenarios. Key Features Single-Stage RA-535 Trigger: Delivers a consistent 3.5 lb pull weight with virtually zero creep and a lightning-fast reset for improved shot-to-shot speed and accuracy. Curved Trigger Bow: Ergonomic design provides comfortable, natural finger placement for precise control during rapid fire or precision shooting. Drop-In Installation: Cassette-style housing allows quick, tool-free integration into standard AR lowers, complete with anti-rotation pins for secure fitment. RA-6423 Ambidextrous Safety Selector: Features a smooth 69-degree throw and patent-pending self-contained detent system for reliable, snag-free operation from either side of the rifle. Durable Black Finish: Both components feature a corrosion-resistant black coating that maintains a low-profile, tactical appearance while withstanding rigorous use. Specifications Trigger Style: Single Stage Pull Weight: 3.5 lbs Trigger Bow: Curved Drop-In: Yes Overall Kit Weight: 4 oz Dimensions: 5.4" L x 2.7" W x 1.2" H Why Choose This Combo Kit Whether you're building a competition rifle or upgrading a duty firearm, this kit addresses common pain points like inconsistent trigger feel and limited safety manipulation. The RA-535 provides a super-crisp break that minimizes shooter-induced error, while the ambi selector ensures seamless transitions for left- or right-handed users without compromising reliability. Together, they transform mil-spec performance into a refined shooting experience that supports faster follow-ups and greater confidence on the range or in the field. Installation Notes Both components are designed for straightforward drop-in or direct replacement on compatible AR-15, AR-10, and similar platforms. Always verify compatibility with your specific lower receiver and follow manufacturer guidelines for safe function testing after installation. Upgrade your rifle today with this high-performance combo from Rise Armament and experience the difference precision components can make.