Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel II Mystic Black
3 options
- Black, this page
- Bronzeout of stock
- Midnightout of stock
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Cryptic Coatings
Overview
The Cryptic Bolt Carrier Group is designed specifically for the 6.5mm Grendel caliber, featuring a complete assembly that ensures reliable cycling and performance in your AR-15 build. Its DLC finish enhances durability and reduces friction, contributing to smoother operation and easier cleaning. This BCG is commonly found in precision-oriented builds where accuracy and reliability in the 6.5 Grendel platform are paramount.
Specifications
Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel II Mystic Black
3 options
- Black, this page
- Bronzeout of stock
- Midnightout of stock
August 2026 on GunPartPicker
Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel II Mystic Black ranked #123 of the 229 bolt carrier groups builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since May 2026. All time, it ranks #119 of the 442 bolt carrier groups builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $243.99, so there haven't been real sales lately. Buying today, the lowest price is $243.99 at Optics Planet, which matches the best price we saw in August.
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Frequently Built With
The part most often added in each category by the 6 builds that include this one
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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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