Troy Gas Block Low Profile .750" Fits 5.56 NATO AR-15 Black SGAS-A4L-00BT-00

Low Profile Gas Block



- Low Profile Gas Block fits all M4 Carbines and M16A2, A3 & A4 Rifles

- Replaces front sight to use 10” or longer MRF handguard

- Enhanced reliability

- Made in the USA

Enter your ZIP code for an exact shipping cost on this item. Hazardous-materials fees, where they apply, are included in the total shown.

Read our full shipping policy

Firearms must ship to a licensed dealer (FFL), who completes the transfer and the required background check when you collect the item.

How FFL transfers work · Terms of sale · Product and legal restrictions