The Midwest Industries Micro Gas Block (brand part number MI-MGB-750) is a compact, low-profile gas block built for AR-15 barrels with a .750-inch gas block diameter. Machined from steel and finished in black, its micro profile keeps a slim silhouette under a free-float handguard without sacrificing the durability a gas block needs under sustained firing. It’s a straightforward, proven upgrade for anyone building or refreshing an AR-15 upper around a .750-inch barrel journal.

Key Specifications

• Fits barrels with a .750-inch gas block diameter.
• Built in a micro, low-profile design.
• Machined from steel.
• Finished in black.
• Sized for standard AR-15 builds.
• Weighs approximately 0.15 pounds.

Frequently Asked Questions

What barrel diameter does this gas block fit? Barrels with a .750-inch gas block journal.

What is this gas block made from? Steel, finished in black.

Buy the Midwest Industries Micro Low-Profile Gas Block, .750 Diameter

Keep your AR-15 upper slim under a free-float handguard. Order from our Midwest Industries lineup of AR gas system parts from a Lubbock, TX gun shop.