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Long Forcing Cone Chamber Reamer - Brownells L.F.C. Reamer, 10 Ga., 3 1/2'''' Mag.
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$78.99
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SKU: 080661010
Overview
This reamer is intended for gunsmiths working on shotgun chambers where a longer chamber or a long forcing cone is needed in the same operation. It can be used to lengthen short chambers to modern standard or magnum lengths, or to cut a long forcing cone without changing chamber length. The design is described as suitable for use on barrel steel other than chrome-lined barrels, and the included specifications identify it as the 10 gauge, 3 1/2" magnum version. For professionals servicing customer guns, it offers a focused way to address chamber work and forcing cone modification in one tool.
Why Hunters Choose the Brownells
Cuts Long
Forcing cones while also lengthening
10 Gauge,
3 1/2 inch magnum chamber
Can Cut
Long forcing cone without lengthening
Seven-flute Design
Flute placement, relief, and angle
Approximately 1
1/2 inch forcing cone cutting
Key Features
- Double-duty reamer lengthens short chambers to modern standard or magnum lengths.
- Cuts a long forcing cone without lengthening the chamber.
- Designed for 10 gauge, 3 1/2" magnum use.
- Includes a 1 1/2" long forcing cone cutting section.
- Features 7 flutes with flute placement, relief, and angle designed for broad barrel-steel use.
- Not intended for chrome-lined barrels.
Best Used For
- Gunsmiths lengthening 10 gauge chambers to modern standard or magnum lengths
- Shotgun owners seeking a long forcing cone during chamber work
- Customers wanting chamber modification without chrome-lined barrel applications
- Professionals performing double-duty rechambering and forcing cone cutting
- Users following Brownells chamber-measuring and rechambering instructions
Specifications
| Chamber Length | 3 1/2 in Mag. |
|---|---|
| Flutes | 7 |
| Forcing Cone Cutting Section Length | 1 1/2 in |
| Gauge | 10 Ga. |
| Hex Section Length | 1 in |
| Hex Section Width | 1/2 in |
| Length Overall | 5 3/4 in |
Pros
- Cuts long forcing cones while also lengthening short chambers when needed
- Designed for 10 gauge, 3 1/2 inch magnum chamber work
- Can cut a long forcing cone without lengthening the chamber
- Seven-flute design with flute placement, relief, and angle specified in source
- Approximately 1 1/2 inch forcing cone cutting section for chamber work
- Suitable for use on all barrel steel except chrome-lined barrels
Considerations & Trade-offs
- This reamer is intended for 10 gauge, 3 1/2" magnum chambers, so it is not a general-purpose tool for other gauges or chamber lengths.
- It is designed for gunsmithing work and chamber/forcing-cone modification, which means it is best suited to users with the proper knowledge and setup rather than casual field use.
- The description notes it is not for chrome-lined barrels, so that barrel type is outside its intended application.
- Because it can lengthen chambers or cut a long forcing cone, the result depends on the specific gun and the work performed; it is not a one-step fix for every shotgun.
Suggested Comparisons
- Shotgun chamber reamer
- Shotgun gunsmithing tool
- Forcing cone cutter
Suggested Accessories
- Shotgun chamber measuring and rechambering tools
- Shotgun cleaning kit
- Cutting oil or reaming lubricant
- Gunsmithing vise or barrel vise
Frequently Asked Questions
What does this reamer do on a shotgun barrel?
It is designed to lengthen short chambers to modern standard or magnum lengths and cut the new long forcing cone at the same time. It can also be used to cut a long forcing cone without lengthening the chamber.
Is this reamer specific to 10 gauge 3 1/2" magnum guns?
Yes. The product title identifies it as a Brownells L.F.C. Reamer for 10 gauge, 3 1/2" magnum.
Can it be used on chrome-lined barrels?
No. The description says it is intended for all types of barrel steel except chrome-lined barrels.
What size is the forcing cone cutting section?
The specifications list a forcing cone cutting section that is approximately 1 1/2" long.
Does the product include instructions for chamber work?
The description references a separate detailed, illustrated booklet titled Measuring and Rechambering Shotgun Chambers for complete instructions. The product data provided does not say that the booklet is included.