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Single Point Cut Rifled Barrel Blanks - 6mm 1-14'''' Twist 29'''' Heavy Varmint Barrel Blank
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SKU: 749008378
Overview
Built for shooters who want a precision barrel blank for a 6mm setup, this heavy varmint option is intended for custom rifle work where careful chambering and fitting matter. Bartlein uses single point cut rifling and pre- and post-rifling lapping as part of its barrel-making process, and the blank is listed with a 1-14" twist and 29" length. The provided specifications note 243/6mm land and groove diameters of .237/.243, and the blank may require a live pilot with the correct sized pilot. This is a specialized component rather than a ready-to-install barrel, so it suits builders who are set up for precise gunsmithing.
Why Hunters Choose the Bartlein Barrels
Bartlein Is
Long experience in barrel making
Single-point Cut
Rifling is the only rifling
Prelapped Honed
Before rifling, then finish lapped
Cut Rifling
Machines are stated to hold
6mm, 1-14"
Twist, and 29" heavy varmint
Key Features
- 6mm barrel blank with 1-14" twist and 29" heavy varmint profile
- Single point cut rifling only; no button rifling or broach cutting
- Prelapped and honed before rifling, then finish lapped after rifling
- Bartlein barrel blank from a shooter-owned barrel maker
- May require a live pilot with the correct-sized pilot; solid pilot may not fit
Best Used For
- For builders seeking a 6mm heavy varmint barrel blank with 1-14" twist specification.
- For gunsmiths fitting custom rifles that may require a live pilot with the correct sized pilot.
- For shooters planning a precision-oriented build using a 29" barrel blank.
- For users who prefer single point cut rifling and pre-lapped, finish-lapped barrel blanks.
- For benchrest or varmint rifle projects where Bartlein barrel blanks are specified by the builder.
Specifications
| Barrel Type | Heavy Varmint Barrel Blank |
|---|---|
| Broach Cutting | No |
| Button Rifling | No |
| Caliber | 6mm |
| Finish Lapped | Yes |
| Landgroove Diameter 2436mm | 0.237/0.243 |
| Landgroove Diameter 6 5mm | 0.256/0.264 |
| Length | 29" |
| Live Pilot Required | May require live pilot with appropriate sized pilot |
| Prelappedhoned | Yes |
| Rifling Type | Single Point Cut |
| Solid Pilot Fit | SOLID PILOT MAY NOT FIT |
| Twist Rate | 1-14" |
Pros
- Bartlein is owned and operated by shooters with long experience in barrel making.
- Single-point cut rifling is the only rifling method used here.
- Prelapped and honed before rifling, then finish lapped after rifling.
- Cut rifling machines are stated to hold uniform twist rates to the 4th decimal point.
- 6mm, 1-14" twist, and 29" heavy varmint configuration are clearly specified.
Considerations & Trade-offs
- May require a live pilot with the appropriate-sized pilot; a solid pilot may not fit, so compatibility should be checked before ordering.
- The 6mm 1-14" twist and 29" heavy varmint configuration are specific to a narrow use case, so this blank is not a general-purpose choice.
- Bartlein uses single point cut rifling only, which is a deliberate construction choice but may matter to buyers who prefer other rifling methods.
- The product data provides land/groove diameters for several calibers, but the correct fit still depends on selecting the matching chambering and pilot setup.
Suggested Comparisons
- Other barrel blanks in different calibers
- Match-grade rifle barrels
- Rifling and barrel-making accessories
- Custom rifle barrel components
Suggested Accessories
- Barrel installation tools
- Rifle cleaning supplies
- Bore guide
- Gun vise
Frequently Asked Questions
What caliber is this barrel blank intended for?
The title identifies it as a 6mm barrel blank, and the specs list 243/6mm land/groove diameter as .237/.243.
What twist rate is listed for this barrel blank?
The product title lists a 1-14" twist.
What barrel profile is this?
The title describes it as a 29" heavy varmint barrel blank.
Does Bartlein use button rifling or broach cutting on this barrel?
No. The description says Bartlein uses single point cut style rifling only, with no button rifling and no broach cutting.
Will this barrel blank require a specific pilot?
The specs say it may require a live pilot with an appropriate sized pilot, and note that a solid pilot may not fit.