Until further legal notice, PSA will ship All Magazine Orders to Oregon with 10+ Capacity placed before Midnight, December 11th, 2022 PST.
Until further legal notice, PSA will also ship All Firearm Orders to Oregon placed before Midnight, January 2nd, 2023 PST.
It is the responsibility of the customer to ensure Oregon FFL Firearm Transfers can be facilitated during this time-frame.
All Oregon Orders & Refunds are at the discretion of Palmetto State Armory.

Out of stock
2A Armament AR-15 Gas Block .750 Low Profile - 2A-STGB-1
Out of stock

2A Armament AR-15 Gas Block .750 Low Profile - 2A-STGB-1

SKU 516445652
Brand 2A Armament
Model Number 2A-STGB-1
UPC 854361006771
Customers must read Compliance Information before purchasing.

Product Details


  • Internal bore:  .750
  • Length:  1.0”
  • Weight: 1.35 oz.
  • Material: 4140 Steel
  • Finish: Blasted and Black Phosphate Coated
  • Low Profile
  • Features an engraved logo on the front
  • Includes: Two (2) Stainless Set Screws—spacing between set screws is .47



The 2A Armament steel gas block features all of the same great styling of their 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.

Note: Blue locking compound is recommended


Q & A


All NFA Rules Apply.
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.