In stock
2A Armament .625 Internal Bore Gas Block 4140 Steel, Black - 2A-STGB-2
In stock

2A Armament .625 Internal Bore Gas Block 4140 Steel, Black - 2A-STGB-2

SKU 800412
Brand 2A Armament
Model Number 2A-STGB-2
UPC 854361006788
Customers must read Compliance Information before purchasing.
This product is fulfilled by a PSA Partner and shipping times may vary.

Product Details


Manufacturer: 2A Armament
Model: 5/8" Internal Bore
Color: Black
Description: 4140 Steel


All the same great styling of 2A's popular titanium gas blocks but in black oxide finished steel. The low profile design works well under hand guards, and anywhere else that space is at a premium. A basic two set screw design ensures a secure fit, and an easy installation. Blue locking compound is recommended.


  • Blasted and black phosphate coated
  • Low profile design
  • 4140 steel


Q & A


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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.