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Color:
Black
Coating:
Nitride
Gas Block Journal Size-Diameter:
.750 in
Gun Make:
AR Platform
Gun Model:
AR-15
Weight:
3 oz

Code: 5Z0-RGB-LSRDS15-122123

MPN: 122123

UPC: 7427053012041

List: $39.99Save 30%
$27.99

Product Info for Lead & Steel 4140 Nitride Quality AR-15 Gas Block

The Lead & Steel QGB is CNC-machined from 4140 carbon steel, with a consistent 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 AR-15 Gas Block:

Manufacturer: Lead & Steel
Color: Black
Coating: Nitride
Fabric/Material: CNC Machined
Gas Block Journal Size-Diameter: .750 in
Gun Make: AR Platform
Gun Model: AR-15
Weight: 3 oz

Package Contents:

  • Lead & Steel 4140 Nitride Quality AR-15 Gas Block
  • 2 gas block screws

Lead & Steel 4140 Nitride Quality AR-15 Gas Block Orderable Models

List of Orderable Models

  • Lead & Steel 4140 Nitride Quality AR-15 Gas Block, 0.750in, Black, 122123 , MPN: 122123 , UPC: 7427053012041 , Code: 5Z0-RGB-LSRDS15-122123

Lead & Steel 4140 Nitride Quality AR-15 Gas Block Unavailable & Discontinued Models

List of Unorderable Models

  • Lead & Steel 4140 Nitride Quality AR-15 Gas Block, 0.625in, Black, 20245 , MPN: 20245 , UPC: 7427053012720 , Code: 5Z0-RGB-LSRDS15-20245
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Last updated 2026-10-26 UTC.