The “Combat BCG” Features

• Proprietary pre-coat operations
• All parts Micro-polished
• Electroless Nickle plate on carrier and gas key
• SP4™ coated for the lowest coefficient of friction on the market (Not intended to replace lubrication)
• Sprinco extra power cryo-treated extractor spring and Viton O-Ring
• Sprinco cryo-treated ejector spring
• Sprinco cryo-treated gas rings
• OCKS gas key screws for extra bite in staking
• Key screws are Rocksett and staked for superior protection in wet and dry operations
• Gas keys are lapped to ensure flatness
• Permatex Aviation Form-A-Gasket ensures a leak-free seal between the carrier and the gas key