Faxon Firearms 3-Screw Low Profile Gas Block .625" – AR-15 Barrel Upgrade

The Faxon Firearms 3-Screw Low Profile Gas Block provides a secure, no-slip mounting solution for AR-15 barrels with a .625" diameter journal. The three-screw clamp design distributes clamping force evenly around the barrel, reducing the risk of movement under sustained fire compared to traditional set-screw designs. This gas block is built for shooters upgrading to free-float handguards who need a reliable, low-profile gas system that won't interfere with handguard installation.

Machined from steel with a black finish, this gas block sits flush under most free-float handguards and maintains proper gas port alignment during installation and use. The three-screw clamp design simplifies installation—no dimpling or permanent barrel modification required, though a small amount of red Loctite is recommended for secure mounting. Suitable for experienced builders comfortable with torque specifications and gas system alignment.

• Part Type: Low Profile Gas Block
• Compatible Firearms: AR-15 with .625" diameter barrel journal
• Material: Steel
• Finish: Black
• Installation: Drop-In (mechanical skill required for proper torque and alignment)
• Mounting: 3-Screw Clamp Design