design a reamer

Thanks for trusting Manson Precision Reamers to design your custom reamer! We’ve received your information and will get in touch with you shortly.

Have a question? Please call 810-953-0732.

custom design quote

Specials & Wildcats

If the caliber you want is not available in our online store, we consider it a special reamer that must be custom ordered. Special reamers also include wildcat designs or any custom-designed tooling, including re-sizing reamers.

To request a quote for a special reamer, fill out the design specification form below. Please be sure to include as much detail as possible in the description field to ensure a timely and accurate estimate.

Your quote will be sent to you via email. Once approved, our expert team will get to work creating your custom design!

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get 50% off NOGO Gauge

Order 1 Special Reamer, 1 Special GO Gauge & 1 Special NOGO Gauge, Get 50% off your NOGO Gauge

Custom Reamer Wood Box

FREE with purchase

Receive One Solid-Wood Protective Case with Each Custom Designed Tool

design specification form

Please complete all of the required fields below. Have multiple projects? Please submit one online request per project.

helpful tips

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This is a very common modification. Just let us know what caliber you are starting with and what caliber you would like it to be in the form below.

Interested in necking an existing cartridge up or down?

This is a very common modification. Just let us know what caliber you are starting with and what caliber you would like it to be in the form below.

Do you want to Ackley Improve a cartridge?

This is also a very common modification and you just need to let us know what cartridge you are starting with. If you want to modify the classic method, perhaps a 35-degree shoulder instead of the classic 40-degree. Please include that information below.

Do you want to adjust the neck diameter of an existing chambering to make it tighter or looser?

This is a very common modification. Please provide all the details in the form below.

Do you wish to change the throat geometry to better suit a specific bullet?

This is a very common modification. Please provide all the details in the form below.

Does your project involves something unique that isn't based on an existing cartridge?
No problem. A drawing or list of specifications will really help here. If you do not have that, we will need to know caliber, case overall length, shoulder angle, desired case neck length, body diameters, neck diameter(s), throat length, diameter, leade angle.

Have a question about designing a custom reamer? Please feel free to contact us.