Lead & Steel Nitride Quality Gas Block – 0.625″ – Free Shipping

The Lead & Steel QGB is CNC-machined from solid billet steel, with a consistent 0.625″ ID to provide a similar thermal expansion coefficient to the barrel.

Each gas block is individually gauged before being nitrided. If you want peace of mind, look no further than the QGB!

• .625″ ID
• Black Nitride
• Precision CNC machined