Cryptic Coatings Mystic Bronze Complete Bolt Carrier Group with Carpenter 158 HPT/MPI Tested Bolt
- Weight: 11.55 oz.
- Coating: Mystic Bronze (High Luster Bronze)
- HPT (High Pressure Tested) / MPI (Magnetic Particle Inspected)
Cryptic Coatings offers complete bolt carrier groups in one of six of their high luster coatings. These specialized coatings lower operating temperature of your firearm while increasing overall performance and BCG life. They minimize recoil, and provide consistent, faster cycling rates while reducing carbon fouling. Wear resistant and self-lubricating properties ensure that these BCG’s will provide a lifetime of service.
• Mil-Spec BCG Machined from 8620 Aircraft Quality Steel and heat treated to 60-61 RC
• Mil-Spec Chrome Lined Carrier Interior
• Mil- Spec Chrome Lined Gas Key
• Key Staked with Grade 8 Screws, per Mil-Spec
• Mil-Spec Carpenter 158® Bolt w/ Spring and Ejector
• Tool Steel Extractor w/ Spring and viton O-ring
• Mil-Spec Firing Pin w/ Chrome Finish
• Mil-Spec Cam Pin
• Full Auto Carrier (Backward compatible with all semi-auto rifles)