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.

Ordering from Western Sport

Order online and it ships straight to your door. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

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.

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.

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