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Russell’s Reserve Single Barrel vs Zackariah Harris

Comparing Russell’s Reserve Single Barrel and Zackariah Harris reveals a matchup between a traditional, spice-driven Kentucky staple and a sourced, even-keeled blend.

Key Specifications

Feature Russell’s Reserve Single Barrel Zackariah Harris
Type / Style High-Rye Bourbon Traditional Bourbon
Mash Bill 1 75% corn, 13% rye, 12% malted barley Not disclosed
Age No age statement No age statement
Proof 110 proof (55% ABV) +30 proof 80 proof (40% ABV)
Approx. Price 2 ~$55 – $70 ~$13 – $22 ~$45 less
Availability Limited Widely available easier to find
  1. Zackariah Harris does not publish an official mash bill.
  2. US shelf prices as of 2026-08; they vary widely by market.

AG’s Rating and AG’s Notes

Russell’s Reserve Single Barrel

Not rated yet

No notes yet.

Zackariah Harris

Not rated yet

No notes yet.

Flavor Profile

Russell’s Reserve Single Barrel Zackariah Harris
sweetnessspiceoakfruitheatnuttiness

Axis by axis, biggest gap first

spice 8/3 spice: Russell’s Reserve Single Barrel 8 out of 10, Zackariah Harris 3 out of 10
oak 8/3 oak: Russell’s Reserve Single Barrel 8 out of 10, Zackariah Harris 3 out of 10
heat 7/3 heat: Russell’s Reserve Single Barrel 7 out of 10, Zackariah Harris 3 out of 10
fruit 4/2 fruit: Russell’s Reserve Single Barrel 4 out of 10, Zackariah Harris 2 out of 10
sweetness 6/5 sweetness: Russell’s Reserve Single Barrel 6 out of 10, Zackariah Harris 5 out of 10
nuttiness 3/2 nuttiness: Russell’s Reserve Single Barrel 3 out of 10, Zackariah Harris 2 out of 10

Flavor Profile Differences

Rye spice is the dividing line here.

  • Russell’s Reserve Single Barrel: Non-chill-filtered single barrels at 110 proof, and the format that store picks have made a cult of. Concentrated Wild Turkey character with a texture the standard bottlings do not have.
  • Zackariah Harris: A bottom-shelf Kentucky straight bourbon, mostly sold in liters and handles. Simple caramel and oak with a short, warm finish.

Which One Should You Choose?

  • Go with Russell’s Reserve Single Barrel if you want concentrated Wild Turkey character with single-barrel variation and real texture with significantly more proof behind it.
  • Go with Zackariah Harris if you want a simple Kentucky bourbon for mixing at a significantly lower price point and without hunting for it.

Best enjoyed neat, old-fashioned (Russell’s Reserve Single Barrel); highball, cocktails (Zackariah Harris).