Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39mm Mystic Gold

Name: Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39mm Mystic Gold
Brand: Cryptic
Availability: InStock

Cryptic · Bolt Carrier Group

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Best price

$256.50at OpticsPlanet

In stock Sale checked Nov 13, 2026

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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
Weight: 11.55 oz

Where to buy

Store	Price	Availability	Buy	Add to build
OpticsPlanet Best price	$256.50Salechecked Nov 13, 2026	In stock	Buy at OpticsPlanet
AR15Discounts 5% off	$256.50checked Nov 13, 2026	Check store	Buy at AR15Discounts

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Lowest in-stock price in the last 30 days: $221.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$256.50	$256.50	$256.50
OpticsPlanet	$256.50	$221.99	$256.50

Since Oct 12, 2026.

About this part

The Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39mm Mystic Gold is a 7.62x39 bolt carrier group from Cryptic. It's sold by 2 stores, all at $256.50. The lowest in-stock price in the last 30 days was $221.99 at OpticsPlanet.

From the manufacturer

Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel/7.62x39mm Mystic Gold. 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-0701: Bolt Carrier Group - Complete 6.5mm Grendel/7.62x39mm Mystic Gold