This Superlative Arms gas block (brand part no. SABO-DI-750CM) is sized for a .750-inch barrel journal and clamps onto the barrel rather than using set screws alone, keeping it indexed under recoil. Its adjustable design lets you dial in gas flow to tune cycling for a suppressor, subsonic ammunition, or an otherwise over-gassed AR-15 build. It’s finished in black. This rifle part is a direct upgrade over a fixed, non-adjustable gas block.

Key Specifications

• Sized for a .750-inch barrel journal.
• Uses a clamp-on mounting design.
• Built with an adjustable gas system for tuning gas flow.
• Finished in black.

Frequently Asked Questions

Why choose an adjustable gas block? It lets you dial back excess gas on a suppressed or over-gassed build, reducing bolt velocity, felt recoil, and blowback.

Why clamp-on instead of set-screw only? A clamp-on design distributes clamping force around the barrel rather than relying on set screws alone, helping the block stay indexed under recoil.

Buy the Superlative Arms AR-15 Clamp-On Adjustable Gas Block, .750, Black

An adjustable gas block is one of the most effective tuning upgrades for a suppressed or over-gassed AR-15. Order it from our Lubbock, TX gun shop for fast, insured shipping.