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  • ✔ Authenticated by the house — seal, fill level, and label inspected before release
  • ✔ Documented provenance on every bottle
  • ✔ Climate-safe, collector-grade packaging
Age: 9 Years | Region: Lawrenceburg, Kentucky | Proof: 109
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Midnight Whiskey · The Vault Kentucky Straight Rye Whiskey · Master's Keep Release 5

Wild Turkey Distilling Co. · Lawrenceburg, KY

Wild Turkey Master's Keep

Cornerstone Rye

109 Proof (54.5% ABV) · Aged 9 to 11 Years · Inaugural Master's Keep Rye

109
Proof
54.5%
ABV
750 mL
Format
9–11 Yrs
Stock Range
2019
Release Year
Kentucky
Region

Wild Turkey Master's Keep Cornerstone is the first rye whiskey in the Master's Keep series and the only one Eddie Russell built from rye alone. Released in August 2019 at 109 proof (54.5% ABV), it draws on barrels aged between nine and eleven years. About 16,000 bottles went to the United States. Until Master's Keep Triumph arrived in 2024, it was the oldest rye Wild Turkey had ever bottled.

Nº 01

The Elemental Distinction

01

The first rye whiskey in the Master's Keep series, marking the collection's historic turn from bourbon into aged rye.

02

Bottled at 109 proof (54.5% ABV) from reserve barrels matured between nine and eleven years in new charred oak.

03

Built on Wild Turkey's rye mash of 51% rye, 37% corn and 12% malted barley, matured in the same no. 4 char barrels the distillery fills with bourbon.

04

Allocated nationally in August 2019 in a limited US run of approximately 16,000 bottles.

05

Held the record as the oldest rye Wild Turkey had released until Master's Keep Triumph in 2024.

Nº 02

Wild Turkey & Eddie Russell Rye Legacy

Decade-Aged Rye Craftsmanship

Distilled at Wild Turkey Distilling Co. along the Kentucky River in Lawrenceburg, Master's Keep Cornerstone showcases Eddie Russell's passion for extra-aged rye. While Wild Turkey has produced straight rye continuously since the 1970s, Cornerstone proved that extended maturation tames aggressive grain pepper into deep honey, baked orchard fruit, and herbal complexity.

Nº 03

Craftsmanship & Cask Architecture

9 to 11-Year Oak Maturation
9 to 11-Year Reserve Stock

No. 4 Char American Oak

Aged up to eleven years in alligator-char barrels, imparting toasted rye bread, dark caramel, and polished oak.

High-Proof Concentration

109 Proof Bottling

Bottled at 109 proof (54.5% ABV), delivering intense structural weight and a warming, peppery finish.

Traditional Rye Recipe

Kentucky Straight Rye

Distilled from Wild Turkey's proprietary high-rye mash bill, balancing bold grain spice with corn sweetness.

National Run

16,000 Bottle Allocation

A small national batch allocation that established the precedent for ultra-aged Kentucky straight rye.

Nº 04

Sensory Profile & Strategy

Master Distiller Tasting Notes
I

Sensory Profile

Nose: Vanilla and toasted rye bread over black pepper, with green apple and citrus zest cutting through.
Palate: Honey and baked apple arrive first, then the rye turns peppery and herbal at full strength.
Finish: Long and warming, barrel char and peppery spice fading into dry oak.

II

Strategic Position

Wild Turkey has distilled rye continuously since the 1970s but almost never bottled it old, which is what makes this the outlier of the run. It follows the sherry-finished 2018 release and sits immediately before the 17-year bonded release within the Master's Keep archive at Midnight Whiskey.

Nº 05

Collector Note & Index

Vault Provenance
→

The Inaugural Rye Anchor

Cornerstone stands as the essential first chapter in Wild Turkey's aged rye lineage, succeeded five years later by the 10-year Triumph.

→

Master's Keep Sequence Context

Preceded by Revival (2018) and followed by Bottled in Bond 17 Year (2020) in the release chain.

Collector IndexCORNERSTONE
Distillery
Wild Turkey Distilling Co.
Series Position
Release 5 of 11 (2019)
Category
Kentucky Straight Rye
Proof / ABV
109 Proof (54.5% ABV)
Composition
Ryes Aged 9 & 11 Years
Stock Range
9 to 11 Years
Nº 06

Technical Specifications

Specification Detail
PRODUCER / DISTILLERY Wild Turkey Distilling Co., Lawrenceburg, Kentucky
CATEGORY Kentucky Straight Rye Whiskey
SERIES POSITION Master's Keep Series (Release 5)
RELEASE YEAR 2019
ABV / PROOF 54.5% ABV / 109 Proof
COMPOSITION Kentucky Straight Ryes Aged 9 & 11 Years
COOPERAGE New American White Oak, No. 4 Char
MASH BILL 51% Rye, 37% Corn, 12% Malted Barley
PRODUCTION VOLUME Approximately 16,000 Bottles (US)
REGION Lawrenceburg, Kentucky, USA
FORMAT 750 mL
SKU WT-MK-CNR-750
Nº 07

Records & Assurance

Production Methodology

Wild Turkey's rye goes into the same no. 4 char barrels as its bourbon, at the same low entry strength, and until this release almost none of it was left past six years. Eddie Russell set aside a lot of the oldest rye barrels on the property, aged between nine and eleven years, and blended them without cutting to a core-range strength — the whiskey went into the bottle at 109 proof. Under federal labelling rules a stated age must be that of the youngest whiskey in the blend, which puts nine years on the label and eleven in the glass.

Authentication & Vault Preservation

Every bottle sold through Midnight Whiskey is sourced as an authentic, sealed product and inspected before it ships. Orders are packed with padded, glass-rated handling and require an adult signature (21+) on delivery; we do not ship to anyone unable to verify legal drinking age. For our full sourcing and handling protocols, see our editorial and authentication standards.

Frequently Asked Questions

Is Wild Turkey Master's Keep Cornerstone a bourbon or a rye?

Cornerstone is a Kentucky straight rye whiskey — the first rye Wild Turkey released in the Master's Keep series, which had been bourbon-only until 2019.

How old is Master's Keep Cornerstone rye?

Cornerstone draws on rye barrels aged between nine and eleven years. Federal labelling rules require any stated age to be that of the youngest whiskey in a blend, so nine years is the figure that governs the label while the oldest barrels in it ran to eleven.

What proof is Master's Keep Cornerstone bottled at?

Master's Keep Cornerstone is bottled at 109 proof, or 54.5% ABV. At release it was the highest-proof rye whiskey Wild Turkey had put out, alongside being its oldest.

Midnight Whiskey · The Vault Wild Turkey · Master's Keep Cornerstone Rye

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