LBE Unlimited Low Profile Gas Block with Carbine Gas Tube – AR-15

The LBE Unlimited Low Profile Gas Block with Carbine Gas Tube is a direct replacement for standard AR-15 front sight assemblies, allowing shooters to install free-floating handguards and optics without interference from a fixed front sight tower. This gas block regulates gas flow from the barrel to cycle the bolt carrier group, while its streamlined profile sits beneath most handguard systems for a clean, modern look. It's a common upgrade for shooters building custom rifles or modernizing older AR platforms.

Machined from steel with a black finish, this gas block uses set screws for secure attachment to the barrel. The included carbine-length gas tube is pre-sized for mid-length gas systems on 16-inch barrels. Installation requires removal of the existing front sight base and handguard, plus proper alignment of the gas tube—gunsmiths or experienced builders recommended for first-time installers to ensure correct gas port alignment and function.

• Part Type: Low Profile Gas Block with Gas Tube
• Compatible Firearms: AR-15 rifles with carbine-length gas systems
• Material: Steel
• Finish: Black
• Installation: Professional Recommended (requires barrel removal or upper disassembly)
• Includes: Gas block, carbine-length gas tube, set screws