The Reap Weaponries SCY Bullpup Conversion Kit leverages the established AR-15/M4/M16 ecosystem, providing a robust solution for operators seeking a compact and balanced rifle platform. Engineered for seamless integration, the SCY kit transforms standard AR-15 components into a bullpup configuration, optimizing weapon handling and maneuverability without compromising barrel length performance.Every part is backed by a lifetime warranty and a no-questions-asked return policy. Experimenting with a Dremel for a custom fit? Don&';t sweat the mistakes. If you ruin a part while modifying it, we&';ve got you covered with a free replacement. Key Features Optimized Form Factor The SCY kit significantly reduces the overall length of an AR-15 carbine while retaining the ballistic advantages of a full-length barrel. This rearward weight distribution mitigates shooter fatigue during extended engagements and facilitates one-handed weapon control for dynamic operational requirements. The optimized balance point enables faster target transitions and enhanced weapon control. Enhanced Modularity Designed for extensive modularity, the SCY system accommodates both bufferless and traditional buffered AR-15 upper receiver groups. When paired with bufferless systems (e.g., PSA Jakl, Brownells BRN-180, CMMG Dissent, Foxtrot Mike FM15), and utilizing the optional Sickle stock, the system achieves a compact 14.5-inch length of pull (LOP). For buffered upper configurations, integration with the optional Stave compact stock system yields a 15.7-inch LOP, expanding compatibility across a near-limitless array of AR-15 calibers and configurations. (For context, the average AR-15 LOP is 13 inches). Precision Trigger Integration Addressing a common challenge in bullpup designs, the SCY integrates a reliable, rigid, and low-friction trigger bar system. This precision-engineered mechanism adds less than one pound to the trigger pull weight, preserving the characteristic crispness and feel of the user&';s selected AR-15 trigger. Technical Specifications Included Components 1x SCY Bullpup Chassis Unit 1x Hardware Pack 1x Mounting Block Compatibility Standard AR-15/M4/M16 pattern upper and lower receivers. Compatible with bufferless and buffered AR-15 upper receiver systems. Performance Metrics Length of Pull (LOP) with Bufferless Uppers (utilizing optional Sickle Stock): 14.5 inches Length of Pull (LOP) with Buffered Uppers (utilizing optional Stave Compact Stock): 15.7 inches Trigger Pull Weight Increase: Less than 1 pound