The SPIKE'S M4 COMPLETE STOCK KIT ST-T2 from Spikes Tactical delivers a reliable, drop-in solution for AR-15 rifle builders and enthusiasts seeking a complete, field-ready buffer system in a sleek black finish. This kit includes the ST-T2 buffer, buffer tube, buffer spring, castle nut, and end plate, providing all the essential components needed to upgrade or replace a standard carbine stock setup with a cohesive, performance-focused assembly. Designed for AR rifles, the ST-T2 configuration is engineered to deliver smooth cycling and consistent recoil management, supporting rapid follow-up shots and reliable function under a variety of conditions. The black finish offers an understated, durable look that blends with most stocks and receivers, while the integrated components promote straightforward installation for experienced builders and gunsmiths alike. Whether youre completing a build, restoring an older rifle, or upgrading a duty or competition setup, this complete stock kit helps ensure proper fit, operation, and durability across demanding environments. Spikes Tactical combines a proven design with precision craftsmanship to deliver a dependable, ready-to-install solution that enhances overall rifle performance.