The Spikes Tactical SLA501S Carbine Buffer Spring in Mil-Spec stainless steel delivers a precision-built recoil component designed to enhance reliability and smoothness in AR-style platforms, featuring an electro polished finish for a clean, corrosion-resistant surface and a refined feel during cycling. Crafted from 17-7 stainless steel, this buffer spring combines durability with consistent tension to support optimal bolt velocity and reduced felt recoil, making it a solid upgrade for rifle parts that demand dependable performance under demanding conditions. Ideal for builders and shooters seeking a durable, low-friction recoil component, the Carbine Buffer Spring works seamlessly in standard carbine-length gas systems to maintain steady cycling across a variety of ammunition. Its stainless steel construction resists wear and corrosion, contributing to long-term service life in both range and field environments, while the Mil-Spec specification ensures compatibility with a broad spectrum of issued and aftermarket parts. Whether refining a duty rifle, sport AR, or build project, this buffer spring helps maintain repeatable function, smoother operation, and consistent lockup, supporting accurate follow-up shots and enhanced overall rifle performance.