A3 Tactical Pistol Upper Receiver Triad Bullpup Chassis for Foxtrot Mike AR-15

The A3 Tactical Pistol Upper Receiver Triad Bullpup Chassis for Foxtrot Mike's Upper Receiver Pistol delivers a compact, balanced platform designed to optimize handling and speed for AR-15 enthusiasts who demand precision and lightweight performance. Crafted in durable aluminum and finished in stealthy black, this bullpup chassis reimagines the traditional upper receiver by relocating the action for a shorter overall silhouette without sacrificing rigidity or accuracy, making it an ideal choice for fast-response target work, patrol scenarios, or wilderness hunts where maneuverability matters. Weighing just 1.625 lbs, it integrates seamlessly with AR-15 style builds and maintains familiar controls while offering a distinct balance point that reduces muzzle jump and flare more pronounced in dynamic shooting or dynamic field use. The Triad Bullpup design emphasizes reliability and modular compatibility, enabling shooters to tailor optics, safety, and accessory placement to fit their preferred stance and engagement angles. Whether upgrading a dedicated upper receiver pistol or pursuing a compact, all-purpose AR-15 configuration, this chassis provides a robust, performance-oriented platform built to endure demanding conditions and deliver consistent, repeatable performance.