The Odin Works Adjustable Low Profile Gas Block (brand part no. GB-ADJ) gives AR-15 builders a tunable way to dial in gas flow instead of living with whatever the factory system delivers. Sized for a .750-inch gas journal, this block is finished in black nitride over carbon steel for corrosion resistance and long service life under repeated cycling. Because it’s adjustable, it lets a shooter fine-tune bolt carrier speed to match a suppressor, an off-spec buffer setup, or a specific ammunition load, rather than fighting an over-gassed or under-gassed rifle. Part of Odin Works’ Adjustable Low Profile Gas Block line, it’s built to the same design as the brand’s .875in and .936in variants, sized here for a .750-inch barrel.

Key Specifications

• Sized for a .750-inch gas journal diameter, matching common AR-15 barrel contours.
• Adjustable gas flow lets the shooter tune cycling for suppressed or unsuppressed use.
• Low-profile body clears most free-float AR-15 handguards without modification.
• Machined from carbon steel for strength under repeated firing cycles.
• Finished in black nitride for corrosion resistance and a low-maintenance surface.
• Fits inside all ODIN Works forends.
• Uses an Inconel adjustment screw and spring across the Adjustable Low Profile line.
• Not intended for pistol-length gas systems or high-pressure rounds.
• Ships with the detent ball, cross pin, set screws, and hex wrenches needed for installation.

Frequently Asked Questions

What barrel diameter does this fit? It’s sized for a .750-inch gas journal, a common contour on AR-15 barrels.

Why choose an adjustable gas block? It lets you tune gas flow to your setup, useful for taming an over-gassed suppressed rifle or matching a specific buffer and spring combination.

Is this compatible with a pistol-length gas system? No, Odin Works’ Adjustable Low Profile line is not intended for pistol-length gas systems or high-pressure rounds.

Buy the Odin Works Adjustable Low Profile Gas Block, .750in

Take control of your AR-15’s gas system instead of living with the factory setting. Order the Odin Works gas block from our AR gas system parts at our Lubbock, Texas gun shop for fast, direct shipping.