- 416 twice stress relieved steel
- 5R rifling - button pulled
- QPQ Advanced Black Nitride process
- Mid-length gas barrel
- Medium contour
- 1/2-28 threads
- 1-8 twist
- .750 in gas block diameter
- Only available in 16" at this time and with specific flutings
- Due to large order volumes, should your order be delayed we will contact you with an order update.
* Due to high demand, F-1 has sourced some parts from alternate suppliers and like substitutions may occur. These substitutions are of equal or better quality. These may include F-1 markings not appearing on certain parts due to the marking time required.
