Ergo .750 Low Profile Gas Block 4821 - 4821

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.

Features:

• CNC machined 4140 chromoly steel
• Black Nitride/Melonite Quench Polish Quench (QPQ) finish
• Chamfered edge, slip on fit
• Weighs 2oz
• Fits under most free float handguards
• USA made steel & Machined in the USA
• Internal Diameter 0.750
• Includes (2) set screws for a secure attachment
• Accepts standard gas tube roll-pins (roll‑pin NOT included)
• Weight 0.12 lbs
• Dimensions 20 x 1 x 5 in