Mil-Spec AR-15 Bolt Gas Ring - 10 Count

These Mil-Spec Gas Rings (per MIL 8448511) are US made and sold as a 10-Pack (3 full sets, 1 extra). With one order, you'll be able to service up to three bolts as needed.

Gas rings are a wear item and can experience increased wear from carriers that are finished in harder surface treatments, such as Black Nitride or Titanium Nitride PVD coatings.