The Aero Precision Adjustable Low Profile Gas Block for .625 barrel diameters offers precision gas flow control for your AR-15 build. This gas block features 15 adjustment settings, allowing you to fine-tune your rifle's gas system for various ammunition types and suppressor use. Machined from 4140 steel with a durable nitride finish, it's designed to withstand harsh conditions while maintaining a low profile for compatibility with slim handguards.

Features/Specs:

• Compatible with .625" barrel gas block journals
• 15 gas adjustment settings
• Material: 4140 steel
• Finish: Nitride coating
• Length: 1.379"
• Weight: Approximately 1.48 oz
• Adjustment screw: Stainless steel with spring and detent
• Attachment method: 10-32 x 3/16" set screws
• Includes: Assembled gas block, 6" 3/32" adjustment wrench, replacement spring and detent
• Made in the USA