Image unavailable
Single Point Cut Rifled Barrel Blanks - 6.5mm 1-8.5'''' Twist 31'''' Heavy Varmint Barrel Blank
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$469.99
View on Brownells
You'll be taken to Brownells to complete your purchase.
Hunter's Outpost earns a commission from affiliate links at no extra cost to you.
SKU: 749008388
Overview
This barrel blank is intended for shooters building a precision rifle in 6.5mm with a heavy varmint profile and a 1-8.5" twist rate. It is offered as a cut-rifled blank from Bartlein, with the brand noting single point cut rifling and pre- and post-rifling lapping as part of its process. The 31" length leaves room for a custom gunsmithing job, and the blank may require a live pilot with the correct size. For hunters and long-range rifle builders, it is a specialized starting point for a tailored setup rather than a ready-to-install barrel.
Why Hunters Choose the Bartlein Barrels
Single-point Cut
Rifling only; no button rifling
Prelapped Honed
Before rifling, then finish lapped
Bartlein-built Rifling
Machines are stated to hold
6.5mm Land
Groove diameters are clearly specified
May Accept
The appropriate size; solid pilot
Key Features
- 6.5mm barrel blank with 1-8.5" 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 barrel blank from Bartlein Barrels
- 6.5mm land/groove diameter listed as .256/.264
- May require a live pilot with the appropriate sized pilot; solid pilot may not fit
Best Used For
- Shooters building a 6.5mm heavy varmint rifle with a 1-8.5" twist barrel blank.
- Custom rifle builders needing a 31-inch barrel blank for precision-oriented projects.
- Users who want a single-point cut rifled blank with pre- and post-rifling lapping.
- Those selecting a Bartlein blank and checking pilot fit before chambering work.
Specifications
| 22 Cal Landgroove Diameter | .218/.224 |
|---|---|
| 2436mm Landgroove Diameter | .237/.243 |
| Barrel Length | 31" |
| Barrel Profile | Heavy Varmint |
| Broach Cutting | No |
| Button Rifling | No |
| Caliber | 6.5mm |
| Finish Lapped | Finish lapped after rifling |
| Landgroove Diameter | .256/.264 |
| Pilot Requirement | May require live pilot with appropriate sized pilot |
| Prelappedhoned | Prelapped/honed before rifling |
| Rifling Type | Single point cut rifling |
| Solid Pilot Fit | Solid pilot may not fit |
| Twist Rate | 1-8.5" |
Pros
- Single-point cut rifling only; no button rifling or broach cutting.
- Prelapped and honed before rifling, then finish lapped after rifling.
- Bartlein-built rifling machines are stated to hold uniform twist rates to the 4th decimal point.
- 6.5mm land and groove diameters are clearly specified for planning.
- May accept a live pilot with the appropriate size; solid pilot may not fit.
Considerations & Trade-offs
- May require a live pilot with the appropriate sized pilot, so compatibility should be confirmed before ordering.
- A solid pilot may not fit, which can affect setup if that is the tooling you normally use.
- The 6.5mm land/groove diameter is specified, but other chambering or fit details are not provided here.
- This is a heavy varmint barrel blank, so it is oriented toward a specific build style rather than a general-purpose setup.
Suggested Comparisons
- Barrel blanks
- Rifle barrels
- Precision shooting components
- Custom rifle parts
Suggested Accessories
- Barrel blank fitting tools
- Rifling pilot set
- Barrel installation tools
- Precision measuring tools
Frequently Asked Questions
What caliber is this barrel blank made for?
This listing is for a 6.5mm barrel blank.
What twist rate is listed for this barrel blank?
The product title lists a 1-8.5" twist.
What barrel profile or length is listed?
The product title identifies it as a 31" Heavy Varmint barrel blank.
What rifling method does Bartlein use on these barrels?
Bartlein states that it uses single point cut style rifling only, not button rifling or broach cutting.
Are there any fitment notes I should know before ordering?
Yes. The specs note that it may require a live pilot with the appropriate sized pilot, and that a solid pilot may not fit.