The Midwest Industries Upper Height Gas Block (brand part number MCTAR-UHGB) is built for .750-diameter barrels and includes a MIL-STD 1913 Picatinny rail machined to the same height as the A4 upper receiver rail, giving you a continuous, level rail line from receiver to front sight or optic mount. Constructed of 4140 steel, it’s a durable choice for builders running a full-length top rail on a mid- or rifle-length gas system.

Key Specifications

• Sized for .750-diameter barrels.
• Includes a MIL-STD 1913 Picatinny rail machined to A4 upper receiver rail height.
• Constructed of 4140 steel for durability.
• Classified as a Gas Block with an integrated rail.

Frequently Asked Questions

What barrel diameter does this gas block fit? .750-diameter barrels.

Does the rail line up with my upper receiver rail? Yes, it’s machined to the same height as the A4 upper receiver rail for a continuous, level line.

What is this gas block made from? 4140 steel.

Buy the Midwest Industries Upper Height Gas Block with Rail, .750 Diameter

Run a continuous top rail from receiver to muzzle. Order this Midwest Industries gas block, part of our full AR gas system selection, from our Lubbock, Texas gun shop for fast, direct shipping.