Due to Measure 114, Oregon State Magazine & Firearm Orders that are shipped by Palmetto State Armory will be prioritized for shipment.

Out of stock
Ergo AR-15 Gas Block .750 Low Profile - 4821
Out of stock

Ergo AR-15 Gas Block .750 Low Profile - 4821

SKU 60697
Brand Ergo
Model Number 4821
UPC 874748006415
Customers must read Compliance Information before purchasing.

Product Details


Manufacturer: Ergo
Weight: 2 oz
Finish: Black Nitride/Melonite Quench
Material: 4140 Chrome Molybdenum Steel
Includes: (2) Set Screws
Diameter: 3/4"


The Ergo 4821 .750 Low Profile Gas Block is designed to fit under the Ergo Modular and SuperLite Rail System, as well as most other manufacturer's free float handguards.

  • CNC machined 4140 chromoly steel
  • Black Nitride/Melonite Quench Polish Quench (QPQ) finish
  • Chamfered edge, slip on fit
  • Weighs 2 oz
  • Fits under most free float handguards
  • USA made steel & Machined in the USA
  • Internal Diameter 0.750 inches
  • Includes (2) set screws for a secure attachment
  • Accepts standard gas tube roll-pins (roll-pin NOT included)


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.