The LBE Unlimited Low Profile Gas Block (brand part number ARLGB-C) is a .750-inch gas block finished in black nitride steel and sold with a carbine-length gas tube already installed, so it’s ready to drop onto a build without sourcing a separate tube. LBE Unlimited machines the gas tube itself from 304 stainless steel seamless tubing, a material chosen for its resistance to the heat and carbon fouling that gas tubes see every cycle. The low-profile body sits under most free-float handguards without contact, keeping the gas system fully shrouded on a clean-lined AR-15 build. It’s a straightforward, budget-friendly gas block and tube combo for a carbine-length gas system build or repair.

Key Specifications

• Sized for a .750-inch gas block journal, the common AR-15 barrel diameter at the gas port.
• Finished in black nitride steel for corrosion and wear resistance.
• Ships with a carbine-length gas tube already installed.
• Gas tube is machined from 304 stainless steel seamless tubing.
• Built with a low-profile body that fits under most free-float handguards.

Frequently Asked Questions

Does this include the gas tube? Yes, a carbine-length 304 stainless steel gas tube comes already installed.

Will it fit under my free-float handguard? Yes, the low-profile body is sized to sit under most free-float handguards without contact.

Buy the LBE Unlimited Low Profile Gas Block with Carbine-Length Gas Tube – .750 Inch

Complete your carbine-length gas system with a block and tube in one part. Order it from our LBE Unlimited lineup, part of our AR gas system selection, at our Lubbock, Texas gun shop for fast, direct shipping.