KVP thread protectors are feature packed, for such a simple part. Made from high quality US Steel, on our in house 8-Axis Swiss lathe. The KVP thread protector line-up features an ID bore that helps protect your barrels crown. The crown is often forgotten when looking at other thread protectors on the market. KVP also integrated wrench flats for easy installation and removal. Black Nitride QPQ finish was chosen to ensure excellent wear properties and so the finish would match high quality barrels utilizing the same finishing treatment. Laser engraved for ease of identification. FeaturesMachined from US SteelBlack Nitride QPQ FinishID bored to protect barrel crownSwiss Lathe Produced