Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Right Hand Mystic Midnight
All Cryptic Coatings bolt carrier groups3 options
- Left Hand · Blackout of stock
- Left Hand · Midnightfrom $261.25, in stock
- Right Hand · Midnight, this page
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Cryptic Coatings
Overview
The Cryptic Bolt Carrier Group (BCG) is designed for .223 Wylde caliber, providing versatility for builders who want to chamber both .223 Remington and 5.56 NATO rounds. This complete BCG features a right-hand configuration, making it suitable for standard AR-15 builds. It's particularly popular among builders looking for a reliable and functional component for a variety of tactical and competitive shooting applications.
Specifications
Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Right Hand Mystic Midnight
3 options
- Left Hand · Blackout of stock
- Left Hand · Midnightfrom $261.25, in stock
- Right Hand · Midnight, this page
October 2026 on GunPartPicker
Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Right Hand Mystic Midnight ranked #77 of the 258 bolt carrier groups builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #129 of the 549 bolt carrier groups builders have added. Builds with this bolt carrier group are mostly chambered in .223 Wylde (70%, then 5.56 NATO 30%), split between mid-length (56%) and rifle-length (22%) gas systems, and nearly all AR-15.
It was in stock most times we checked in October 2026, and today both retailers we track have it in stock. It dipped to $217.99 at Optics Planet for a stretch in October 2026, well under its usual $242.25, so sales do come around. Buying today, the lowest price is $242.25 at Primary Arms, above October's low of $217.99, so a better deal may come back.
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Right Hand Mystic Midnight
| Build | Parts | Total |
|---|---|---|
 | 28 | $2630.88 |
 | 18 | $1641.01 |
 | 19 | $4950.56 |
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