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.


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