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Cryptic Coatings
Overview
The Cryptic Bolt Carrier Group (BCG) is designed specifically for the 6.8 SPC II caliber, providing a reliable and durable component for your AR-15 build. With a nitride finish, this BCG enhances corrosion resistance and wear characteristics, ensuring optimal performance over time. This BCG is commonly found in builds where the 6.8 SPC II caliber is favored for its versatility and stopping power.
Cryptic Bolt Carrier Group BCG - Complete 6.8mm SPC/.224 Valkyrie/.338 Spectre Black Nitride
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Prices checked
The Cryptic Bolt Carrier Group BCG - Complete 6.8mm SPC/.224 Valkyrie/.338 Spectre Black Nitride was hard to find in September 2026, in stock on only 1 of the 16 days we checked, and today the one retailer we track is out of stock. Prices barely moved in September 2026, holding around $123.99, so there haven't been real sales lately. Listed prices start at $123.99 at Optics Planet for when it comes back.
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