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Geissele 13.5 inch SPR Mod MK4 M-LOK Handguard Desert Dirt Color

$375.00

Geissele 13.5 inch SPR Mod MK4 M-LOK handguard in Desert Dirt Color. Super Modular Rail system with enhanced ergonomics and accessory compatibility for AR-15 builds.

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Description

The Geissele 13.5 inch SPR Mod MK4 M-LOK handguard in Desert Dirt Color represents the pinnacle of modern tactical rail design for AR-platform rifles. Engineered by Geissele Automatics, this handguard combines exceptional build quality with practical functionality for both professional and civilian shooters. The 13.5-inch length provides optimal balance between sight radius and ergonomic control, making it ideal for carbine and rifle configurations. Desert Dirt Color finish offers excellent aesthetics while maintaining the durability that Geissele products are renowned for.

Geissele 13.5 inch SPR Mod MK4 M-LOK — Key Specifications

  • Length: 13.5 inches
  • Rail System: Super Modular Rail (SMR) design
  • Accessory Mounting: M-LOK slot configuration
  • Finish: Desert Dirt Color
  • Material: Aluminum construction
  • Compatibility: AR-15 platform rifles
  • Mounting: Standard AR-15 barrel nut mounting
  • Weight: Lightweight design for minimal handguard mass
  • Heat Dissipation: Superior thermal management
  • Picatinny Rail: Top integrated rail for optic mounting

Performance & Reliability

The Geissele 13.5 inch SPR Mod MK4 M-LOK delivers exceptional performance in demanding shooting conditions. The Super Modular Rail system provides superior heat dissipation compared to traditional handguards, keeping your hand comfortable during extended shooting sessions. The low-profile M-LOK slots offer reduced weight while maintaining full accessory mounting capability, and the integrated top Picatinny rail ensures solid optic mounting without requiring additional adapters.

Reliability is paramount with Geissele products, and this handguard is no exception. The precision aluminum construction ensures tight tolerances and consistent performance across thousands of rounds. The Geissele 13.5 inch SPR Mod MK4 M-LOK handguard maintains zero integrity even under rigorous use, making it trusted by military and law enforcement professionals worldwide. The barrel nut system provides rock-solid attachment to your AR-15 upper receiver.

Field testing demonstrates that the MK4 design excels in both accuracy and handling applications. The 13.5-inch length strikes an ideal balance for sight radius optimization without adding excessive length to the platform. The Desert Dirt Color finish has proven durable through extensive field use, resisting scratches and maintaining aesthetic appeal. Geissele Automatics official specifications confirm this handguard meets their exacting quality standards.

Intended Use & Applications

The Geissele 13.5 inch SPR Mod MK4 M-LOK handguard is ideal for shooters building precision carbines and tactical rifles. Law enforcement and military personnel favor this platform for its balance of ergonomics, accessory compatibility, and proven reliability. The 13.5-inch length makes it particularly suitable for patrol carbines, home defense rifles, and 3-gun competition builds where maneuverability matters.

Competitive shooters benefit significantly from the MK4’s lightweight design and superior ergonomics. The M-LOK mounting system allows rapid attachment and reconfiguration of tactical accessories like vertical grips, lights, and rail-mounted systems. Whether you’re building a precision rifle for long-range competition or a compact tactical platform, the Geissele 13.5 inch SPR Mod MK4 M-LOK provides the foundation for a high-performance system.

Custom builders and enthusiasts appreciate the quality construction and aesthetic appeal of Desert Dirt Color handguards. The AR Upper Parts category includes numerous options to complement this handguard, allowing you to create your ideal AR-15 configuration. The modular design means you can upgrade optics, rails, and accessories independently without replacing the handguard itself.

Why Buy From CaliperDepot?

CaliperDepot offers competitive pricing on premium Geissele products with reliable in-stock inventory. Our knowledgeable staff understands AR-platform rifles and can help you select the perfect components for your build. Fast shipping ensures your Geissele 13.5 inch SPR Mod MK4 M-LOK handguard arrives quickly so you can begin your project.

We prioritize customer satisfaction with excellent service and support before and after purchase. Our expertise in firearms components means we can answer technical questions about barrel nut specifications, mounting compatibility, and integration with other AR Parts. Shop with confidence knowing you’re purchasing authentic Geissele products backed by manufacturer warranties.

The Geissele 13.5 inch SPR Mod MK4 M-LOK in Desert Dirt Color is an investment in quality that will serve you for years of reliable shooting. Whether you’re a professional, competitive shooter, or dedicated enthusiast, this handguard delivers the performance and durability you expect from Geissele Automatics. Order your Geissele 13.5 inch SPR Mod MK4 M-LOK handguard today and experience the difference that premium engineering makes. Note: Barrel nut wrench sold separately, and gas block not included with this handguard.

Additional information

Weight 24.000 lbs
Dimensions 14.750 × 4.250 × 4.500 in
upc

854014005724

brand

Geissele Automatics

color

DESERT TAN

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