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Vortex Optics Riflescope Bubble Level for 34mm Riflescope Tube, BL34
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$39.99
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SKU: BL34-875874003064
Overview
Built for shooters who want a simple way to keep a riflescope reticle vertically aligned, this bubble level is sized for 34mm tubes and is also listed for use on 1-inch, 30mm, 34mm, or 35mm riflescope tubes. It is a practical accessory for hunting setups where maintaining consistent scope orientation matters during sight-in and field use. The compact design keeps the focus on function rather than complexity, and the listed outer diameter range helps with fit considerations. Backed by Vortex’s VIP warranty, it adds a straightforward layer of confidence to a precision-minded rifle setup.
Why Hunters Choose the Vortex
34mm Riflescope
Compatibility listed for 1-inch, 30mm,
Helps Vertically
Align the reticle crosshair for
Backed Vortex's
VIP warranty coverage
Compact Accessory
A listed weight of 6.7
Sized Outer
An outer diameter of 2.2
Key Features
- Designed for 34mm riflescope tubes
- Helps vertically align the reticle crosshair
- Compatible with 1-inch, 30mm, 34mm, and 35mm riflescope tubes
- Outer diameter ranges from 2.2 to 2.4 inches
- Weighs 6.7 oz
- Backed by Vortex VIP warranty
Best Used For
- Hunters mounting a 34mm riflescope who want a simple reticle-leveling accessory
- Precision rifle shooters aligning crosshairs before zeroing or long-range sight-in
- Users setting up riflescopes on 34mm tubes for consistent vertical alignment
- Shooters who prefer a compact bubble level with clear tube-size compatibility
- Vortex owners wanting warranty-backed accessory support after purchase
Specifications
| Compatible Tube Sizes | 1-inch, 30mm, 34mm or 35mm riflescope tubes |
|---|---|
| Outer Diameter | 2.2 - 2.4 in |
| Purpose | Vertically align the reticle crosshair |
| Size | 34 mm |
| Warranty | Full manufacturer's warranty |
| Weight | 6.7 oz |
Pros
- Designed for 34mm riflescope tubes, with compatibility listed for 1-inch, 30mm, 34mm, and 35mm tubes.
- Helps vertically align the reticle crosshair for scope setup.
- Backed by Vortex's VIP warranty coverage.
- Compact accessory with a listed weight of 6.7 oz.
- Sized with an outer diameter of 2.2 to 2.4 inches.
Considerations & Trade-offs
- Sized for a 34mm riflescope tube, so it is not a universal fit across all scope diameters.
- Its purpose is limited to vertical reticle alignment; it does not add any other shooting or optic features.
- The listed weight of 6.7 oz may be a consideration for hunters trying to keep a rifle setup as light and compact as possible.
- The outer diameter range of 2.2–2.4 in means fit and clearance should be checked against your specific scope and mounting setup.
Suggested Comparisons
- Riflescope mounting accessories
- Scope leveling tools
- Precision shooting accessories
- Optics maintenance and setup tools
Suggested Accessories
- Riflescope mounting accessories
- Scope leveling tools
- Optics maintenance accessories
- Rifle setup tools
Frequently Asked Questions
What riflescope tube size is this bubble level made for?
This model is the BL34 and is listed for 34mm riflescope tubes. The product description also says the line is usable on 1-inch, 30mm, 34mm, or 35mm tubes, but this specific version is identified as 34mm.
What is the main purpose of this riflescope bubble level?
It is used to vertically align the reticle crosshair on a riflescope.
Does this product come with warranty coverage?
Yes. The listing states it has the Vortex VIP warranty, described as a repair-or-replace promise at no charge if the product becomes damaged or defective.
What size and dimensions are listed for the BL34?
The provided specifications list the size as 34 mm and the outer diameter as 2.2 to 2.4 inches.
How much does the bubble level weigh?
The listed weight is 6.7 oz.