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Cryptic Coatings
Overview
The Cryptic Bolt Carrier Group is designed for left-handed shooters and is compatible with .223, 5.56 NATO, and .300 AAC Blackout calibers, making it a versatile choice for various builds. The DLC finish enhances durability and provides a smooth operation in the action, which is crucial for reliability during firing. This BCG is commonly found in AR-15 builds tailored for left-handed users looking for optimal performance and functionality.
Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Left Hand Mystic Black
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Builders have added the Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Left Hand Mystic Black to their builds on GunPartPicker. Since April 2026, it ranks #150 of the 549 bolt carrier groups builders have added.
It was hard to find in October 2026, in stock on only 5 of the 21 days we checked, and today the one retailer we track is out of stock. Prices barely moved in October 2026, holding around $247.99, with no real sale all month. Listed prices start at $247.99 at Optics Planet for when it comes back.
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