The Wilson Combat TREBS15SS Recoil Spring for 308/7.62mm AR15/M16 delivers a purpose-built, long, heavy buffer tube spring crafted from stainless steel to ensure reliable cycling in AR-10 platform rifles and carbines requiring extended spring tension. This silver-toned recoil spring leverages Wilson Combats engineering to provide consistent buffer-tube spring performance, enhancing reliability during rapid follow-up shots and varied ammunition conditions. Ideal for .308/7.6251 platforms, the TREBS15SS combines durability, corrosion resistance, and a robust design that maintains optimal cycling pressure across a range of operating temperatures. When installed, it helps manage bolt carrier velocity and rearward impulse, contributing to smoother recoil impulse control and dependable function with heavy buffers. Its stainless construction and precise fabrication support long-term durability in demanding field, hunting, and range environments, while integrating seamlessly with compatible upper receivers and buffer assemblies. Trust in Wilson Combats reputation for meticulous fit, finish, and performance to sustain reliable operation in precision rifle applications where consistent cycling and repeatable accuracy are essential.