Buffalo Trace Distillery Debuts Single Oak Rye Bourbon and Newest Experimental Collection Release

Buffalo Trace debuts Single Oak Rye Bourbon, the inaugural nationwide release recreating the consumer-selected Barrel #80 from its 1999 Single Oak Project, alongside a new Low Entry Proof Wheated Bourbon from its Experimental Collection. Read on for full details.

Press Release – Buffalo Trace Single Oak Rye Bourbon and Low Entry Proof Wheated Bourbon

The releases include Single Oak Rye Bourbon – the winning Barrel #80 from the Single Oak Project – and the 28threlease in the Buffalo Trace Experimental Collection: Low Entry Proof Wheated Bourbon Whiskey

FRANKFORT, KY (April 7, 2026) – Two of Buffalo Trace Distillery’s most ambitious and long-running experimental programs – the Single Oak Project and Buffalo Trace Distillery Experimental Collection – are debuting new releases this spring: Single Oak Rye Bourbon and Low Entry Proof Wheated Bourbon Whiskey. More than a decade in the making, these releases reflect the Distillery’s long-standing commitment to studying the variables that shape bourbon’s flavor as they “Honor Tradition, Embrace Change” in pursuit of creating the “world’s best whiskey.”

Buffalo Trace Single Oak Project Background and Barrel #80 Selection

The Single Oak Project began in 1999, marking the Distillery’s first and most comprehensive experiment to date as it explored the impact of seven variables including mashbill, entry proof, aging location and barrel construction. The experiment comprised 192 unique bourbon barrels, each crafted from specific sections of hand-selected oak trees and filled with either a wheat or a rye recipe before undergoing varied maturation approaches. Consumers were invited to taste and evaluate the resulting bourbons, ultimately selecting Barrel #80 as the standout expression in 2011.

Single Oak Rye Bourbon Becomes Permanent Buffalo Trace Release

Today, Buffalo Trace Distillery builds on this landmark experiment with the introduction of Single Oak as a permanent, continuously-released whiskey brand. Its inaugural release, Rye Bourbon, faithfully recreates the precise mashbill and barrel aging conditions that defined the celebrated Barrel #80, offering enthusiasts the opportunity to experience the result of one of the industry’s most extensive bourbon studies to date.


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Buffalo Trace Experimental Collection Low Entry Proof Wheated Bourbon Explained

The Buffalo Trace Experimental Collection, first introduced in 2006, will debut its 28th release with Low Entry Proof Wheated Bourbon Whiskey. This innovation explores how lower barrel entry proof influences wood interaction over extended aging, with the wheated bourbon distillate entered at 105 proof – noticeably lower than its traditional 114 proof. Inspired by historical records indicating that pre-Prohibition barrel entry proofs were often lower than modern standards, it represents a clear example of how the Distillery honors tradition while embracing change.

Master Distiller Harlen Wheatley on Buffalo Trace Experimentation

“Experimentation has always been at the core of what we do at Buffalo Trace Distillery,” said Buffalo Trace Distillery Master Distiller Harlen Wheatley. “These releases represent years of patience, curiosity, and an unwavering commitment to learning. From the Single Oak Project, where we studied every detail of oak to better understand maturation, to our exploration of entry proof in the latest Experimental Collection, each experiment helps us further our understanding of how individual variables shape flavor and push the boundaries of what bourbon can be. We’re excited for fans to experience the results.”

Single Oak Rye Bourbon Details and Tasting Notes

The Single Oak Project began in 1999, when 96 oak trees were hand-selected from the Missouri Ozarks. Each tree was cut into a top and bottom section, yielding 192 unique pieces of wood and transformed into 192 individual barrels.

Seven variables were intentionally manipulated to study their impact on the final whiskey:

Mash bill (wheat or rye recipe)
Entry proof (105 or 125 proof)
Stave seasoning (six or 12 months of air drying)
Wood grain size (tight, average or coarse)
Barrel char level (number three or number four char)
Tree cut (top or bottom half)
Warehouse type (wooden rick floor or concrete floor)

Single Oak Project Barrel #80 entered the barrel at 125 proof and was aged in oak harvested from the bottom half of the tree, featuring average grain wood, staves seasoned for 12 months and charred at a level four. The bourbon was aged in a concrete floor warehouse for eight years before bottling at 90 proof.

Tasting Notes from Buffalo Trace Distillery

For the inaugural release of the Single Oak Collection, Rye Bourbon opens with a delicate yet expressive nose of caramel and vanilla, layered with light baking spice, toasted oak and subtle hints of orchard fruit. The palate is rich and beautifully balanced, unfolding in layers of toffee, vanilla cream and honeyed sweetness, accented by seasoned oak and baking spices. The finish is long and elegant, lingering with warm oak, soft spice and a mellow caramel sweetness.

Each 375ml bottling of Single Oak Rye Bourbon will be available in limited quantities through Sazerac’s national distributor network as well as the Buffalo Trace Distillery Gift Shop as of April 2026 at a suggested retail price of $74.99 (local taxes and fees apply). For more information, please visit buffalotracedistillery.com.

Experimental Collection Low Entry Proof Wheated Bourbon Details and Tasting Notes

More about Buffalo Trace Experimental Collection: Low Entry Proof Wheated Bourbon Whiskey

Buffalo Trace Distillery has several thousand experimental barrels that are currently aging at the Distillery. In keeping with its commitment to crafting fine products, only the most compelling results are selected for bottling and released periodically in limited quantities. The 28th offering in the Buffalo Trace Experimental Collection, Low Entry Proof Wheated Bourbon Whiskey represents a first of its kind innovation, examining the impact of barrel entry proof on flavor development.

Tasting Notes from Buffalo Trace Distillery

While previous Buffalo Trace Experimental Collection releases present at 90 proof, Low Entry Proof Wheated Bourbon Whiskey is bottled at 107 proof to better capture and highlight the bourbon’s complex flavor profile. The nose features rich layers of caramel and warm brown spice that are balanced by subtle leather and tobacco notes. The palate delivers full-bodied flavors of oak, earth and dried fig, mingling with a leathery depth and rounded sweetness. The finish is long and warming, where spice and fig linger alongside a grounded, oaky character.

Buffalo Trace Experimental Collection: Low Entry Proof Wheated Bourbon Whiskey will be available through the Buffalo Trace Distillery Gift Shop in limited quantities beginning in April at a suggested retail price of $46.99 (375ml; taxes and fees vary by market). For more information, please visit buffalotracedistillery.com.


Are you going to pick up one or both of the Single Oak Rye Bourbon or the Experimental Series Low Entry Proof Wheated Bourbon? Next, read these related articles: Buffalo Trace Distillery Releases Experimental Wheat Bourbon and Buffalo Trace Releases Experimental Collection Spirits Distilled from Grain and Hops.

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About the author: Ed Escott is truly "Bourbon Obsessed". He is the founder of Bourbon Obsessed, LLC, and an Executive Bourbon Steward of the Stave and Thief Society. In addition, he has authored and edited over 600 bourbon and other whiskey reviews, over 50 in-depth distillery write-ups, and many other related articles. He is on the board of the Kentucky Bourbon Influencers and a member of the Lexington Bourbon Society and the Bourbon Capital Guild. Last, but not least, Ed has attended many bourbon-related educational sessions, visited countless distilleries, and is on a never-ending quest to try every bourbon.

Prior to focusing solely on Bourbon Obsessed, Ed practiced in academic medicine for three decades. He most recently was a Professor at the University of Kentucky and served as Chief of the Division of Neuroradiology and Vice Chair For Faculty Mentoring, Development & Wellness of the Department of Radiology. He has extensive editorial experience in academic medical publication, and brings that same academic mindset to Bourbon Obsessed, which is a unique approach for a spirit-focused media company.

Ed can be found on social media on Instagram at @bourbon_obsessed and on Facebook at @BourbonObsessed

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