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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.![]()
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 |
| Gun Make: | AR Platform |
| Gun Model: | AR-15 |
| Weight: | 3 oz |
Package Contents:
- Lead & Steel 4140 Nitride Quality AR-15Â 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, 0.625in, Black, 20245 , MPN: 20245 , UPC: 7427053012720 , Code: 5Z0-RGB-LSRDS15-20245
- Lead & Steel 4140 Nitride Quality AR-15 Gas Block, 0.750in, Black, 122123 , MPN: 122123 , UPC: 7427053012041 , Code: 5Z0-RGB-LSRDS15-122123