Out of stock
SKU: LUTHBS-15M
UPC: 859819007133
The Luth-AR Carbine Buffer Tube Mil-Spec is a precision-engineered receiver extension tube designed for AR-15 platforms requiring mil-specification compatibility. Constructed from 6061-T6 aluminum with a hardcoat anodized black finish, this buffer tube provides the structural foundation for collapsible buttstock assemblies on modern tactical carbines. The mil-spec diameter ensures drop-in compatibility with standard AR-15 components and aftermarket collapsible stocks engineered to industry standards.
The 6061-T6 aluminum alloy delivers the strength-to-weight ratio critical for carbine platforms, while hardcoat anodize provides corrosion resistance in harsh operating environments—essential for duty weapons exposed to salt air, moisture, or extended field operations. Mil-spec buffer tubes are dimensionally standardized per military specifications, guaranteeing reliable fitment with mil-spec lower receivers and buttstock components. The tube's 0.25-pound weight maintains the minimal mass preferred in tactical carbine builds where operator agility and handling speed directly impact mission effectiveness.
This buffer tube suits law enforcement patrol carbines, military weapons platforms, serious civilian shooters performing maintenance or upgrades, and armorers building or repairing AR-15 systems. It serves as a direct replacement component for worn or damaged tubes, or as a core element in complete carbine builds. Mil-spec compatibility means operators can source replacement stocks, springs, and buffers from the broad aftermarket ecosystem without worrying about dimensional mismatches that plague non-standard designs.
The mil-spec standard emerged from decades of military procurement standardization, ensuring that components engineered to this specification work across platforms from different manufacturers. Choosing a true mil-spec receiver extension like this one eliminates compatibility headaches and maximizes your options for future upgrades or repairs without requiring specialized or proprietary components.
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