Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39mm Mystic Gold
$221.99 at OpticsPlanet
In stock Sale
Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39mm Mystic Black
No ratings yetBest price
$270.75at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39… $221.99at OpticsPlanet
- KAK Industry K-SPEC Enhanced AR-15 7.62x39mm Bolt Carrier Group… $251.96at Ammunition Depot
- Bolt Carrier Group K-Spec M16 BCG 7.62x39mm Chrome & Phosphate … $179.99at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $270.75Salechecked Oct 21, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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Price history
Dashed line = out of stock. Tracking since Oct 18, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $270.75 | $270.75 | $270.75 |
Since Oct 18, 2026.
About this part
The Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39mm Mystic Black is a 7.62x39 bolt carrier group from Cryptic. One store lists it, OpticsPlanet at $270.75.
Fits and works with
- Caliber
- 7.62x39 · Shop matching ammo
- Bolt
- 7.62x39 · Bolt carrier groups
Specifications
- Manufacturer
- Cryptic
- Platform
- AR-15
- Caliber
- 7.62x39
- Material
- Steel
From the manufacturer
Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39mm Mystic Black. BCG includes the proper chrome lined and heat treated gas key. Gas key is secured to carrier with Grade 8 fasteners and properly staked per Mil-Specs. This ensures a strong staking and proper gas system functioning. The bolt assembly is CNC machined from Mil-Spec Carpenter No. 158 steel and shot peened for increased strength per Mil-Spec. HPT (High Pressure Batch Tested) and MPI (Magnetic Particle Inspected). Specifications for Cryptic 6.5mm Grendel/7.62x39mm Bolt Carrier Group (BCG) - Complete: Manufacturer: Cryptic Fabric/Material: 8620 Aircraft Quality Steel Carpenter 158 Steel Carrier Material: 8620 Steel Bolt Material: Steel Caliber: 6.5mm Grendel 7.62x39mm Gun Make: AR Platform Gun Model: M16 M4 AR-15 Hand: Ambidextrous Weight: 11.55 oz Condition: New Included Accessories: Standard Features of Cryptic 6.5mm Grendel/7.62x39mm Bolt Carrier Group BCG - Complete Reduced Carbon Fouling; Easier Cleaning; Full Auto Carrier (Backward compatible with all semi-auto rifles) Package Contents: Cryptic 6.5mm Grendel/7.62x39mm Bolt Carrier Group - Complete Gas Key Key Staked with Grade 8 Screws Bolt w/ Spring and Ejector Extractor w/ Spring and viton O-ring Firing Pin Cam Pin What firearm models does the manufacturer say Cryptic 6.5mm Grendel/7.62x39mm Bolt Carrier Group (BCG) - Complete is compatible with? The manufacturer suggests that Cryptic 6.5mm Grendel/7.62x39mm Bolt Carrier Group (BCG) - Complete is compatible with AR-15 M4 M16Cryptic CC-0700: Bolt Carrier Group - Complete 6.5mm Grendel/7.62x39mm Mystic Black
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