SilencerCos O-Ring Pack for their rimfire suppressors contains replacement O-rings for a Sparrow, Warlock II, or Spectre II silencer to keep it running at its maximum sound suppression capability...
The osprey and octane boosters have a high heat resistant o-ring that helps seal the blast from exiting through the booster assembly.Each package contains two o-rings.Choke Configuration:...
The 22 sparrow have high heat resistant, viton o-rings help contain the blast and debris.Don't be caught without a backup, this package includes (2) 13 o-rings and (2) 18 o-rings.Choke Configuration:...