Cryptic Coatings Bolt Pieces Tested Against Steel-Cased Ammo
This video tests the durability of Cryptic Coatings on an AR-15 bolt, specifically the cam pin and extractor, after 300 rounds of steel-cased ammunition in harsh conditions. The extractor coating held up well, showing no visible wear. However, the cam pin coating exhibited signs of wear, with some material appearing to have sheared off.












