Lead & Steel QGB (Quality Gas Block) 0.625″

Lead & Steel 4140 Nitride Quality Gas Block – 0.625″

The Lead & Steel QGB is CNC-machined from 4140 carbon 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!