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Spiral Flute Long Forcing Cone Reamer - Spiral Flute Long Forcing Cone Reamer, .410 Bore, 3/8'''' Hex
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$82.70
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SKU: 080961410
Overview
This reamer is intended for shotgun owners who want to lengthen the forcing cone area as part of a barrel modification aimed at improving pattern density and shooting comfort. Its five spiral flutes are designed to provide a smooth, chatter-free cut across barrel steel, and the hex-drive shank supports use with a standard square drive socket and T-handle. It is not for chrome-lined bores, so it is best suited to appropriate non-chrome-lined barrels where this specific work is planned. For serious shooters and gunsmithing applications, it offers a focused tool for a very specific job rather than a general-purpose accessory.
Why Hunters Choose the Brownells
Lengthens Forcing
Cone area to help reduce
Designed Improve
Pattern density and overall shotgun
Five Spiral
Flutes increase cutting surface area
Suitable Use
On all types of barrel
Hex-drive Shank
A standard square drive socket
Key Features
- Designed for .410 bore shotgun forcing cone work
- Lengthening the forcing cone area can reduce pellet deformation and felt recoil
- Five spiral flutes provide increased cutting surface area
- Made for a smooth, chatter-free cut on barrel steel
- Hex-drive shank works with a standard square drive socket and T-handle
- Do not use on chrome lined bores
Best Used For
- For shotgun owners lengthening a .410 bore forcing cone for a more controlled patterning setup.
- For hunters seeking a smoother-cutting reamer for barrel work on non-chrome-lined bores.
- For gunsmiths using a standard square-drive socket and T-handle with hex-drive tooling.
- For users wanting to reduce pellet deformation and felt recoil through forcing cone modification.
- For shop work requiring a custom-made, spiral-flute reamer with chatter-free cutting action.
Specifications
| Bore | .410 Bore |
|---|---|
| Chrome Lined Bores | Do not use on chrome lined bores |
| Compatibility | All types of barrel steel |
| Cut Type | Spiral cut |
| Flutes | Five flute |
| Hex Drive Shank | Yes |
| Hex Drive Size | 3/8'''' Hex |
| Hex Section Length | 1'' (2.5cm) |
| Material | Tool steel |
| Overall Length | 6'' (15cm) |
Pros
- Lengthens the forcing cone area to help reduce pellet deformation and felt recoil
- Designed to improve pattern density and overall shotgun performance
- Five spiral flutes increase cutting surface area for a smooth, chatter-free cut
- Suitable for use on all types of barrel steel
- Hex-drive shank works with a standard square drive socket and T-handle
Considerations & Trade-offs
- Designed for .410 bore only, so it is not a general-purpose forcing cone reamer.
- Not suitable for chrome-lined bores, which limits compatibility with some barrels.
- Requires the appropriate hex-drive setup, including a standard square drive socket and T-handle, for use.
- This is a specialized gunsmithing tool, so results depend on proper fitting and careful application.
Suggested Comparisons
- Shotgun barrel maintenance tools
- Shotgun patterning accessories
- Bore reaming tools
- Shotgun gunsmithing hand tools
Suggested Accessories
- Shotgun cleaning kit
- Chamber brush
- Gun vise
- Honing stone
Frequently Asked Questions
What is this reamer used for?
It is a long forcing cone reamer for .410 bore shotguns. The product description says lengthening the forcing cone area can decrease pellet deformation and felt recoil, with the goal of improving pattern density, shooting comfort, and overall shotgun performance.
Can it be used on chrome-lined bores?
No. The long description specifically says not to use it on chrome lined bores.
What drive setup does it use?
It has a hex-drive shank, and the description says it allows use of a standard square drive socket and T-handle. The listed hex-drive size is in the chart, but that size is not provided in the text here.
What construction details are provided?
The provided specs say it is a tool steel reamer with five spiral flutes and a spiral cut. It is listed as 6 inches long with a 1 inch long hex section.
Does the product data specify exact performance results?
No exact performance results are given. The source states that lengthening the forcing cone can improve pattern density and reduce felt recoil, but it does not provide measured results or guarantees.