The Guntec Ultra Light Handguard (brand part no. GT-4MLK) is a compact, 4-inch free-floating M-LOK handguard machined from a T6 aluminum body that weighs in at just 6.2 oz. It slides over a barrel nut and locks tight against the receiver, forming a monolithic top rail well suited to a short pistol or SBR-length AR build with an internal diameter of 1.34 inches.

Key Specifications

• Measures 4″ in length.
• Weighs approximately 6.2 oz.
• Internal diameter measures 1.34″.
• Constructed from T6 aluminum for a lightweight build.
• Uses the M-LOK attachment system.
• Forms a monolithic 1913 top rail with the receiver.
• Finished in black.

Frequently Asked Questions

What length is this handguard? 4 inches, suited to short pistol or SBR builds.

How much does it weigh? Approximately 6.2 oz.

What attachment system does it use? M-LOK.

Buy the Guntec Ultra Light Handguard, 4″ M-LOK, Black

Build the shortest, lightest handguard in Guntec’s Ultra Light line. Order the Guntec USA 4″ handguard from our gun parts kits lineup, shipped fast direct from our Lubbock, Texas gun shop.