The “Mad Scientist” Does It Again! | GCD Experimental Series Review

Can Glenns Creek Distilling’s “Mad Scientist” (aka David Meier) push the boundaries of bourbon even further? Today on Your Bourbon Journey, Wayne and Rebecca are diving into three brand-new releases from the GCD Experimental Series (February 2026).

From a complex seven-grain mash bill to a mysterious Rich Mountain expression, these bottles are anything but traditional. We break down the nose, palate, and finish of each to see if these experiments were a success!

The Bottles on the Table:

• .44 CAG: A 23-month, 112.4 proof powerhouse featuring Red, White, Blue, and Yellow corn.
• Heirloom Blend: A 47-month, 108.8 proof “best of” blend of various GCD mash bills.
• Rich Mountain: A 117.8 proof undisclosed mash bill aged for 47 months.

In this video, we discuss:

• The uniqueness of Glenns Creek Distilling.
• The complexity of a 7-grain bourbon.
• Why the Heirloom Blend stands out in the 2026 lineup.
• Our final verdict: Which bottle should you track down?

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GCD Experimental .44 CAG

• Classification: Kentucky Bourbon Whiskey
• Distillery: Glenns Creek Distilling
• Mash Bill: Seven Grain (Red, White, Blue and Yellow corn, rye, wheat, barley)
• Age: 23 months
• Proof: 112.4
• Released: February 2026

Other: 375 ml, Barrel 1, Bottle 50

GCD Experimental Heirloom Blend

• Classification: Kentucky Bourbon Whiskey
• Distillery: Glenns Creek Distilling
• Mash Bill: A mix of the various mashbills
• Age: 47 months
• Proof: 108.8
• Released: February 2026
• Other: 375 ml, Barrel 1, Bottle 5

GCD Experimental Rich Mountain

• Classification: Kentucky Bourbon Whiskey
• Distillery: Glenns Creek Distilling
• Mash Bill: Undisclosed
• Age: 47 months
• Proof: 117.8
• Released: February 2026
• Other: 375 ml, Barrel 1

❌YOUR BOURBON JOURNEY DOES NOT SELL ALCOHOL❌

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NOTE: The spirits in this review were purchased by us. We were not compensated by the spirit producer for this review. This is simply our opinion based on what we tasted on this day. Please drink responsibly.

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