SIONCIS WEAPON SYSTEMS Low Profile Gas Block is perfect for your lightweight AR15/M4/M15 barrel.
- For use with .625 diameter barrels
- Machined from Carbon Steel with Manganese Phosphate finish
- Includes 2 10/32 knurled alloy steel screws to resist loosening
- Should be installed by a qualified gunsmith or certified AR15 Armorer
MADE IN USA