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Product Info for Lead & Steel 4140 Nitride Quality Gas Block

The Lead & Steel QGB is CNC-machined from 4140 carbon steel, with a consistent 0.750'' ID to provide a similar thermal expansion coefficient to the barrel.image

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

Specifications for Lead & Steel 4140 Nitride Quality Gas Block:

Manufacturer: Lead & Steel
Color: Black
Fabric/Material: CNC Machined
Gun Make: AR Platform

Features of Lead & Steel L&S 4140 Nitride Quality Gas Block - 0.750in

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

Package Contents:

  • Lead & Steel L&S 4140 Nitride Quality Gas Block - 0.750in
  • 2 gas block screws