Elk CallsRocky Mountain Hunting CallsSold by Altitude Outdoors

Rocky Mountain Hunting Calls

Bully Bull Subapline Elk Grunt Tube

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Calling Elk

Creates Even

Airflow and back pressure for

Includes Camo

Lanyard and cover

Use Mouth

Call diaphragm

Mouth Opening

Measures 1 1/2 inches

$52.95
View on Altitude Outdoors

You'll be taken to Altitude Outdoors to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: bully-bull-elk-grunt-tube

Overview

Built for elk calling, this grunt tube is designed to help hunters produce clear octave note changes with consistent sound quality. It uses even airflow and back pressure, and it is intended to be paired with a mouth call diaphragm. The package includes a camo lanyard and cover, and the Subalpine concealment pattern suits hunters who want a low-profile setup in the field.

Why Hunters Choose the Rocky Mountain Hunting Calls

Designed Rockie

Corey Jacobsen for elk calling

Tube Design

Promotes even airflow and back

Supports Clear

Octave note changes and sound

Includes Camo

Lanyard and cover for carrying

Compatible Mouth

A mouth call diaphragm

Key Features

  • Designed for calling elk.
  • Creates even airflow and back pressure for clear octave note changes.
  • Includes a camo lanyard and cover.
  • Use with a mouth call diaphragm.
  • Mouth opening measures 1 1/2 inches.
  • Tube length measures 21 3/8 inches.

Best Used For

  • Elk hunters using a mouth call diaphragm and wanting a dedicated grunt tube setup
  • Hunters who prefer clear octave note changes and controlled back pressure while calling
  • Backcountry hunters wanting a camo-covered tube with included lanyard for carry convenience
  • Hunters using GORE OPTIFADE Subalpine concealment gear and matching calling accessories

Specifications

Air FlowEven air flow
Back PressureBack pressure
CompatibilityUse with a mouth call diaphragm
Concealment PatternGORE OPTIFADE(TM) Concealment Subalpine(TM)
Designed ByRockie Corey Jacobsen
Included AccessoriesCamo lanyard and cover
Length21 3/8"
Model#C25-S
Mouth Opening1 1/2"
Product TypeElk grunt tube
Sound QualityExcellent sound quality
UseCalling elk

Pros

  • Designed by Rockie Corey Jacobsen for elk calling applications
  • Tube design promotes even airflow and back pressure
  • Supports clear octave note changes and sound quality
  • Includes camo lanyard and cover for carrying
  • Compatible with a mouth call diaphragm
  • Subalpine concealment pattern suits low-profile use

Considerations & Trade-offs

  • Requires a mouth call diaphragm to be used as intended, so it is not a standalone calling solution.
  • The tube format may take some practice to control air flow and back pressure for consistent note changes.
  • At 21 3/8" long, it is a dedicated calling tool rather than a compact accessory.
  • The included camo lanyard and cover add convenience, but the product remains focused on a specific elk-calling use case.

Suggested Comparisons

  • Elk bugle tube
  • Mouth diaphragm call
  • Elk calling accessory
  • Camo lanyard and call cover

Suggested Accessories

  • Mouth call diaphragm
  • Call lanyard
  • Call cover
  • Protective storage case

Frequently Asked Questions

What is the Bully Bull Subapline Elk Grunt Tube designed for?

It is designed for calling elk.

Does this grunt tube include a mouth call diaphragm?

No diaphragm is listed as included. The description says to use it with a mouth call diaphragm.

What comes with the Bully Bull Subapline Elk Grunt Tube?

It includes a camo lanyard and cover.

What are the listed mouth opening and length?

The listed mouth opening is 1 1/2 inches, and the length is 21 3/8 inches.

What camouflage pattern is mentioned for this product?

The product is listed in GORE OPTIFADE Concealment Subalpine.