The ODIN Works ODIN Buffer Adjustable AR 9MM delivers customizable recoil management across AR-15, AR-10, and 9mm platforms, letting you tailor the weight to your shooter's preference for smoother cycling and enhanced reliability. This adjustable buffer is available in lite and heavy configurations, with the AR-15 option offering both lite and heavy, while AR-10 and 9mm variants are provided in heavy only. Built to fit each platform, the lite buffer is crafted from aluminum for lighter balance, while the heavy buffer uses stainless steel for added mass, and tungsten weights are included to fine-tune the overall weight. The AR-15 kit includes three aluminum, three stainless steel, and one tungsten weight, achieving ranges from 2.1 oz to 4.2 oz in lite and 3.7 oz to 5.8 oz in heavy; the AR-10 kit provides one aluminum, one stainless steel, and one tungsten weight, from 3.45 oz to 4.65 oz; and the 9mm kit includes one aluminum, one stainless steel, and three tungsten weights, expanding from 5.4 oz to 7.4 oz. ODIN Works goal is to maximize customization for your build, giving you precise control over recoil and cycling to match your preferred shooting style.