Geissele Automatics MK4 Super Modular Rail Handguard – 9.3" M‑LOK (Black)
Upgrade your rifle with the Geissele Automatics MK4 Super Modular Rail Handguard, the ultimate solution for shooters who demand precision, durability, and unparalleled modularity. Engineered by the industry‑leading experts at Geissele, this 9.3‑inch handguard delivers a perfect blend of lightweight performance and robust construction, making it the ideal platform for tactical, competition, and recreational shooting applications.
Key Features & Benefits
- Super Modular Design – Seamlessly integrates M‑LOK accessories, allowing you to customize your rifle with lights, lasers, grips, sling mounts, and more without the need for additional adapters.
- 9.3‑Inch Length – Provides optimal balance between sight radius and maneuverability, suitable for both close‑quarter and mid‑range engagements.
- Premium Black Finish – Offers a sleek, low‑profile aesthetic while resisting corrosion, wear, and harsh environmental conditions.
- High‑Strength Aluminum Construction – Machined from aerospace‑grade 7075‑T6 aluminum for maximum strength-to-weight ratio.
- Free‑Float Barrel Interface – Guarantees consistent barrel harmonics for improved accuracy, while eliminating any contact that could affect shot placement.
- Easy Installation – Designed to fit Geissele MK4 platforms with standard barrel nut specifications; the required barrel nut wrench (GEI‑02‑243) is sold separately.
- Gas Block Not Included – Allows you to select the gas system that best fits your build, whether a direct‑impingement or piston setup.
Technical Specifications
| Model | Geissele Automatics MK4 Super Modular Rail Handguard |
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| Length | 9.3 inches (236 mm) |
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| Material | 7075‑T6 Aluminum (Black anodized) |
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| Mounting System | M‑LOK (continuous slots) |
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| Compatibility | Geissele MK4 handguard series, AR‑15/M4 platforms |
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| Barrel Nut Wrench | Sold separately – Part #GEI‑02‑243 |
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| Gas Block | Not included – compatible with standard AR‑15 gas blocks |
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| Color | Black |
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| SKU | 05‑283B |
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| UPC | 854014005694 |
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Why Choose the Geissele MK4 Super Modular Rail?
When you select the Geissele MK4 handguard, you’re investing in a component that’s been rigorously tested in both military and competitive environments. Its free‑float design eliminates unwanted barrel contact, which translates to tighter groups and more reliable performance under recoil. The extensive M‑LOK interface offers limitless customization options, letting you build a rifle that fits your exact operational needs.
Installation Tips
- Remove the existing handguard and any attached accessories.
- Install the required barrel nut using the Geissele barrel nut wrench (sold separately).
- Slide the MK4 handguard onto the barrel nut, ensuring the M‑LOK slots align with your preferred accessory layout.
- Tighten the handguard screws to the manufacturer’s torque specifications (typically 6–8 in‑lb).
- Attach your chosen M‑LOK accessories securely.
- Verify proper function of the gas system (install a compatible gas block if required).
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Enhance your firearm’s performance and personalize it with the Geissele Automatics MK4 Super Modular Rail Handguard – the definitive upgrade for discerning shooters.
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