The 2A Armament Builders Series AR-15 Low Profile Gas Block is a great value option for building an affordable AR that just works. Machined from steel with a Manganese Phosphate finish for long lasting wear and corrosion resistance. It features set screws for securely attaching to your barrel and the low-profile design will fit under most free float handguards. The internal diameter is .750” for use on a wide range of AR-15 barrels.
Features and Specifications:
- .750” internal diameter
- Set screw installation style
- Machined from USA sourced 4140 alloy steel
- Manganese Phosphate finish
- Low profile design
- Weight: 1.9oz
*MADE IN THE USA