Geissele Automatics MK4, Super Modular Rail, 10.5″, Black

Product Description

The Geissele 10.5″ SPR MOD MK4 M-LOK handguard delivers premium performance for AR-15 enthusiasts. This compact 10.5″ rail system suits short-barreled rifles, CQB builds, and competitive setups perfectly. Furthermore, the Super Modular design lets you customize every detail to match your mission.

Geissele Automatics maintains strict manufacturing tolerances throughout production. Therefore, you get consistent fit and reliable performance on every installation. The black anodized finish resists corrosion and handles demanding use. Additionally, the MK4 platform integrates seamlessly with standard AR-15 receivers and components.

Key Features & Design

This handguard combines lightweight construction with excellent ergonomics. The M-LOK mounting system is industry standard, supporting hundreds of accessory options. Moreover, the modular rail design simplifies future upgrades and accessory swaps. As a result, your rifle evolves with your needs.

The 10.5″ length balances mounting real estate with practical handling. M-LOK slots accommodate lights, lasers, tactical grips, and bipods easily. Furthermore, you can add rail sections or covers based on your configuration. Therefore, complete customization is within reach.

Perfect for Sporting & Competition Use

Defensive builds, competition rifles, and precision carbines all benefit equally. The Geissele 10.5″ SPR MOD MK4 is trusted by tactical professionals and competitive shooters nationwide. Additionally, the modular design supports both minimalist and fully-accessorized setups. In addition, the compact profile improves maneuverability in tight spaces.

Note: The barrel nut wrench (GEI-02-243) and gas block sell separately. Plan your complete build accordingly to avoid delays. Contact our team for specific compatibility guidance.

Available at Western Sport – Roanoke, TX

Western Sport is a licensed FFL/SOT dealer serving North Texas and the DFW area since 2007. We stock premium Geissele components and provide expert AR-15 installation support. Call us at 817-393-4000 for local pickup or fast shipping options.

Why Buy from Western Sport?

• Our experienced AR-15 builders answer technical questions and compatibility concerns with confidence.
• We maintain competitive pricing on all premium Geissele rail systems and accessories.
• Local DFW service includes fast transfers, pickup options, and complete build support.
• Our knowledgeable staff guides you through component selection and installation planning.
• Ongoing after-sale support ensures your rifle performs exactly as intended.

Frequently Asked Questions

Q: Will the Geissele 10.5″ SPR MOD MK4 fit my AR-15 upper receiver?

A: Yes, the MK4 is compatible with standard AR-15 upper receivers and mil-spec barrel nuts. Furthermore, it works with most modern mounting systems without modification or fitting issues.

Q: What’s the warranty coverage on this Geissele handguard?

A: Geissele Automatics backs all products with comprehensive warranty support. Contact Western Sport or Geissele directly at 817-393-4000 for specific coverage details on your purchase.

Q: How does the Texas FFL transfer process work for this handguard?

A: Handguards are unrestricted components in Texas and ship directly to you or to Western Sport. As a licensed FFL dealer, we can expedite local pickup or handle transfers quickly with no delays.

Q: What’s the best use case for the 10.5″ length?

A: The 10.5″ SPR MOD MK4 excels on short-barreled rifles, CQB builds, and competitive rifles. Additionally, the compact profile improves maneuverability while providing adequate mounting real estate for accessories.

Additional information