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Single Point Cut Rifled Barrel Blanks - 6mm 1-8'''' Twist 31'''' Heavy Varmint Barrel Blank
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$488.99
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SKU: 749008389
Overview
This barrel blank is aimed at shooters building a precision rifle in 6mm with a heavy varmint profile and a 1-8" twist. It is intended for custom barrel work where the buyer wants a cut-rifled blank from Bartlein rather than a finished, ready-to-install barrel. The listed specifications note 243/6mm land and groove diameters of .237/.243, and it may require a live pilot with the appropriate sized pilot. For hunters and long-range shooters planning a tailored build, it offers a straightforward starting point, but it does require the right fitting and gunsmithing setup.
Why Hunters Choose the Bartlein Barrels
Bartlein Uses
No button rifling or broach
Prelapped Honed
Before rifling, then finish lapped
Cut Rifling
Machines are designed to hold
6mm Barrel
1-8 twist and 31-inch heavy
Land Groove
Diameter specifications are provided for
Key Features
- 6mm barrel blank with 1-8" twist rate and 31" 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 cut rifling machines are stated to hold uniform twist rates to the 4th decimal point
- 243/6mm land and groove diameter listed as .237/.243
- May require a live pilot with the appropriate sized pilot; solid pilot may not fit
Best Used For
- Serious shooters seeking a 6mm heavy varmint barrel blank for a custom build
- Builders who want a 31-inch barrel blank with 1-8 twist specification
- Users planning a project that may require a live pilot with the correct sized pilot
- Shooters focused on Bartlein single point cut rifling and lapped barrel blanks
- Custom rifle makers working from provided 243/6mm land and groove diameter specs
Specifications
| 22 Cal Landgroove Diameter | 0.218/0.224 |
|---|---|
| 6 5mm Landgroove Diameter | 0.256/0.264 |
| Barrel Length | 31" |
| Barrel Profile | Heavy Varmint |
| Broach Cutting | No |
| Buttong Rifling | No |
| Caliber | 6mm |
| Finish Lapped | Yes |
| Landgroove Diameter | 0.237/0.243 |
| Pilot Requirement | May require live pilot with appropriate sized pilot |
| Prelappedhoned | Yes |
| Rifling Type | Single point cut rifling |
| Solid Pilot Fit | Solid pilot may not fit |
| Twist Rate | 1-8" |
Pros
- Bartlein uses single point cut rifling, with no button rifling or broach cutting.
- Prelapped and honed before rifling, then finish lapped after rifling.
- Cut rifling machines are designed to hold uniform twist rates to the 4th decimal point.
- 6mm barrel blank with 1-8 twist and 31-inch heavy varmint profile.
- Land and groove diameter specifications are provided for 22, 243/6mm, and 6.5mm applications.
- May accept a live pilot with the appropriate sized pilot for fitting.
Considerations & Trade-offs
- May require a live pilot with the appropriate sized pilot; a solid pilot may not fit, so setup compatibility needs to be checked before ordering.
- This is a heavy varmint barrel blank, so it is intended for a specific build style rather than a general-purpose or lightweight application.
- The product is a blank, so final fit and chambering depend on the gunsmithing work and components selected for the build.
- Only the listed land/groove diameters are provided here, so caliber and pilot compatibility should be verified against the intended 6mm application.
Suggested Comparisons
- Rifle barrel blanks
- Custom rifle barrels
- 6mm rifle barrels
- Heavy varmint barrels
Suggested Accessories
- Barrel installation tools
- Gunsmithing vise
- Bore cleaning supplies
- Barrel blanks storage rack
Frequently Asked Questions
What caliber is this barrel blank made for?
The title identifies it as a 6mm barrel blank, and the specs list a 243/6mm land/groove diameter of .237/.243.
What twist rate is listed for this barrel blank?
The product title lists a 1-8" twist.
What barrel profile is this?
The title describes it as a 31" Heavy Varmint Barrel Blank.
What rifling method does Bartlein use on this barrel blank?
The description states Bartlein uses single point cut style rifling, not button rifling or broach cutting.
Does this barrel blank require a specific pilot?
The specs say it may require a live pilot with the appropriate sized pilot, and that a solid pilot may not fit.