Anyone who's spent time behind an AR-15 knows that felt recoil isn't just about caliber — it's about how the buffer, spring, and buffer tube work together to cycle the action smoothly. Two upgrades dominate the conversation among builders looking to tame recoil and improve reliability: hybrid buffers and SRS-style recoil systems, like Armaspec's Stealth Recoil System. This guide breaks down what each one does, how they differ, and how they can work together in a single build. Understanding …