Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Right Hand Magnese Phosphate
All Cryptic Coatings bolt carrier groups2 options
- Left Handout of stock
- Right Hand, this page
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Cryptic Coatings
Overview
The Cryptic Bolt Carrier Group (BCG) is a complete assembly designed for .223 Wylde caliber, making it compatible with both .223 Remington and 5.56 NATO ammunition, as well as .300 AAC Blackout. Its phosphate finish offers a durable surface treatment that helps to minimize wear and improve corrosion resistance, crucial for maintaining reliability in various shooting conditions. This BCG is commonly found in builds that prioritize versatility and performance, particularly for those looking to maximize their rifle's adaptability across different calibers.
Specifications
Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Right Hand Magnese Phosphate
2 options
- Left Handout of stock
- Right Hand, this page
September 2026 on GunPartPicker
Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Right Hand Magnese Phosphate ranked #51 of the 217 bolt carrier groups builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since April 2026. All time, it ranks #89 of the 452 bolt carrier groups builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today both retailers we track have it in stock. Prices barely moved in September 2026, holding around $110.99, so there haven't been real sales lately. Buying today, the lowest price is $110.99 at Optics Planet, which matches the best price we saw in September.
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with 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.
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