Gas Block .750 Low Profile Steel

When you need a reliable, no-frills gas block for your AR-15 build or upgrade, this .750 Low Profile Steel Gas Block from Miami Shooters Supply is the straightforward solution. Designed for use with free-float handguards, its compact profile tucks neatly out of sight while providing consistent gas system performance. This is an essential AR-15 part for builders who value durability and simple function over unnecessary complexity, and it ships fast to get your project moving.

Key Features

• Constructed from durable 4140 steel for long-term reliability under heat and pressure.
• Low-profile design is compatible with the vast majority of free-float rifle handguards.
• Features a standard .750″ inner diameter to match the most common AR-15 barrel journal size.
• Includes two sturdy set screws for a secure, non-clamping attachment to your barrel.
• Finished in a matte black oxide coating for corrosion resistance and a clean look.
• Precision machined for a proper gas seal and optimal alignment with your gas tube.

Built For

This gas block is the ideal choice for the practical shooter building a modern rifle with a free-float rail. It’s perfect for anyone assembling a reliable workhorse rifle, a lightweight build, or a dedicated precision AR-15 where a clean handguard interior is key. You get a fundamental component that does its job without fail.

Specifications

• Material: 4140 Steel with Black Oxide Finish
• Journal Size: .750 Inches
• Attachment Method: Dual Set Screws (Hardware Included)
• Compatibility: Standard .750″ AR-15 Barrel, Mil-Spec Gas Tube
• Profile: Low Profile for Free-Float Handguard Clearance

FAQ

Is this a clamp-on or set screw style gas block?
This is a set screw style gas block. It includes two set screws that secure directly into dimples on your barrel for a solid attachment.

Will this work under my free-float handguard?
Yes, its low-profile design is specifically made to fit inside virtually all free-float handguard systems, keeping your rail interior clean and your sight radius unobstructed.