Overview: Henry McKenna Single Barrel 10 Year BiB is arguably the bottle that kicked off the modern allocated bourbon frenzy. It won Best in Show at the 2019 San Francisco World Spirits Competition and the shelves have been thin ever since. Heaven Hill, 10 years, single barrel, bottled-in-bond at 100 proof — on paper it’s a straightforward spec. You’ll see the old MSRP of $35–40 cited online but that’s increasingly a memory; expect to pay closer to $60 at most retailers now.

The spec is worth unpacking. Bottled-in-bond means it’s exactly 100 proof, distilled at one distillery in one distilling season, and aged a minimum of four years (McKenna doubles that). Single barrel means no blending across barrels to hit a consistent profile — what you get is what one barrel produced, labeled with the barrel number and barreling date. Those two things together, at 10 years and Heaven Hill’s grain character, produce something that’s difficult to replicate at this price point.

The catch with any single barrel is variance. Some barrels are home runs — rich, oily, deep. Others lean heavily on oak and peanut in a way that feels one-dimensional. This review covers Barrel 12637, barreled on 8/29/12. Your bottle will be different. Here’s what this one did.

How I Found It: Found this at a local shop that had a small allocation — no line, no lottery, just walked in at the right time. Single barrel McKenna at retail is genuinely findable if you’re patient and checking in regularly. The award-driven demand has pushed prices up but hasn’t made it impossible. At $60 it’s not the same value it was at $40, but it still earns it.

Age: 10 years (Barrel No. 12637, barreled 8·29·12)

Proof: 100 (50% ABV)

Mashbill: Not published by Heaven Hill; widely reported as approximately 78% corn, 10% rye, 12% malted barley

Nose: Oak for days — but sweet oak, which matters. The 10 years are front and center without apology, though the wood is carrying brown sugar and vanilla rather than anything harsh or dry. Christmas cookie spices underneath: nutmeg, clove, cinnamon. Don’t let the moderate rye percentage fool you — a decade in a barrel concentrates those spice notes into something that reads bigger than 10%. There’s also a toasted nut note, something in the almond direction, that’s classic Heaven Hill DNA.

Palate: Sweet oak leads, followed by brown sugar and a pleasant dryness that I’d compare to a good Cabernet Sauvignon — the kind of dry that signals structure and quality rather than harsh tannins. It’s not astringent, it’s elegant. Medium-bodied with enough presence at 100 proof to feel substantial. The oak and spice stay in balance throughout; nothing tips over into bitter territory.

Finish: Oak again, and it earns it. The same sweet-dry character from the palate carries through, long and warming. It’s the kind of finish that doesn’t let you set the glass down — one more sip to see if it changes, and it does, just enough to keep you honest. This is where single barrel Heaven Hill at 10 years pays off.

Heaven Hill DNA at Full Expression

It’s useful to understand where McKenna sits in the Heaven Hill family. The distillery’s house character — a nutty, robust cereal quality — runs through everything they make. At younger ages and lower proof, like Larceny Small Batch, that character reads as soft and accessible. At 10 years and 100 proof, the same distillate shows up completely differently: the wood has had time to extract and concentrate those flavors, and the result is oak-forward and complex in a way that Larceny, for all its merits, simply cannot be.

That’s why McKenna at $60 still makes sense relative to Larceny at $30. You’re not buying a better version of the same thing — you’re buying a different expression of the same raw material, one that required a decade of patience and a great barrel to produce.

Final Thoughts: Barrel 12637 is a home run. The oak dominance that could easily feel heavy-handed is instead the whole point — sweet, spiced, and structured in a way that makes the bottle disappear faster than it should. The original $40 price made this a no-brainer; at $60 it still earns its keep. If you find one, buy it on faith and adjust expectations by barrel number. The variance across single barrels is real, but the floor on McKenna is high enough that even an average barrel is a solid bottle.

If You Liked This, Try…

• Larceny Small Batch — The same Heaven Hill distillate at 6–8 years and 92 proof. Dramatically different profile despite the shared DNA. Useful for understanding how much 10 years and 100 proof changes the expression. A natural before/after comparison.
• Larceny Barrel Proof C924 — The wheated mashbill at full barrel strength. Different grain bill, similar age range, but the proof is what drives the comparison: what does uncut Heaven Hill look like without the BiB ceiling? Worth tasting alongside McKenna to see which direction appeals to you more.

Rating: Top Shelf — Rating system explained