Cryptic AR15 Steel Bolt Carrier Black Nitride

All Cryptic Coatings bolt carrier groups
Cryptic Coatings Cryptic AR15 Steel Bolt Carrier Black Nitride - Bolt Carrier Group for AR-15 - view 1
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Cryptic Coatings

Overview

The Cryptic AR15 Steel Bolt Carrier is designed for the 5.56 NATO caliber, providing a robust and reliable function in your AR-15 build. Its black nitride finish enhances durability and corrosion resistance, ensuring smoother cycling and longevity of the carrier within the upper receiver. This bolt carrier commonly features in builds focused on reliability and performance under various conditions.

Specifications

MPNCCBCK0106
Caliber5.56 NATO
FinishNitride

Available Merchants(1)

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$59.99

October 2026 on GunPartPicker

Cryptic AR15 Steel Bolt Carrier Black Nitride 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 #107 of the 549 bolt carrier groups builders have added. Builds with this bolt carrier group are nearly all chambered in 5.56 NATO, mostly on mid-length gas (64%, then carbine-length 29%), and nearly all AR-15.

It was hard to find in October 2026, in stock on only 4 of the 18 days we checked, and today the one retailer we track is out of stock. Prices barely moved in October 2026, holding around $59.99, with no real sale all month. Listed prices start at $59.99 at Optics Planet for when it comes back.

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Frequently Built With

The part most often added in each category by the builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Gas System

64.3%
Mid-Length64.3%
Carbine28.6%
Pistol7.1%

Builds Featuring This Part

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Builds in the community that include the Cryptic AR15 Steel Bolt Carrier Black Nitride

BuildPartsTotal
16" build build
16" build
19$744.77
11.5" aero precision pistol build
11.5" aero precision pistol
10$1152.61
PSA 16" build build
PSA 16" build
15$543.34

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