SKU: LIRBUS3BM
UPC: 4717385551831
MPN: RBUS3BM
The Leapers UTG PRO Model 4 Ops Ready S3 Mil-spec Stock Kit in Black is purpose-built for AR-15 platform rifles requiring a reliable, field-proven buttstock assembly. Designed to meet military specifications, this stock kit serves operators, law enforcement professionals, and serious shooters who demand mil-spec compatibility and proven durability in tactical applications. The Ops Ready S3 designation indicates a fully integrated, combat-ready system engineered for rapid deployment and consistent performance across extended training cycles and operational use.
This mil-spec stock assembly features a rigid, reinforced polymer construction that meets U.S. military dimensional standards for direct fitment on standard AR-15 buffer tube assemblies. The S3 designation reflects Leapers' advanced ergonomic design philosophy, incorporating a comfortable cheek weld interface and secure locking mechanism that eliminates play and rattle under recoil stress. Weighing just 1.34 pounds, the kit maintains the lightweight profile demanded by tactical shooters while preserving the structural integrity required for duty-grade reliability. The black finish provides a professional aesthetic and resists reflection in low-light operational environments.
This stock kit benefits AR platform users seeking straightforward, tool-free installation on any mil-spec buffer tube without modification. It pairs seamlessly with standard mil-spec lower receivers and integrates with existing tactical rail systems, optic mounts, and accessory setups. Installation requires no gunsmithing—the assembly slides directly onto compatible buffer tubes and locks securely, making it ideal for field-deployed personnel, reserve components, or platform upgrades. Whether supporting duty rifles, precision builds, or general-purpose carbines, the Leapers UTG PRO Model 4 Ops Ready S3 delivers combat-tested performance at an accessible price point.
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