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Philip Mahin
faqs
I’ve heard you aren’t supposed to bottom a carbide sizing die out on a shell holder. Why?
Read moreCarbide is an extremely hard and very brittle metal. This is both an asset and a liability. The carbide’s incredible…
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Philip Mahin
faqs
Why are cartridge OAL’s with hollow point and full metal jacket bullets of same weight different?
Read moreDifferent nose profiles may require some adjustment to their over-all-length (OAL) for proper feeding and functioning. The correct OAL for…
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Philip Mahin
faqs
How do I know when my barrel is clean?
Read moreVisual inspection of the muzzle under direct light will reveal if there is any copper present. Careful attention to the…
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Philip Mahin
faqs
How long will my handloads last, if stored in a cool dry place?
Read moreWhen stored in such an environment, cartridges kept in sealed containers will last the best part of a lifetime.
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Philip Mahin
faqs
Can I use cast bullet loads for jacketed bullets?
Read moreNo. Load data should be as specific as possible to the bullet used.
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Philip Mahin
faqs
I have the same barrel length, use the same powder charge and bullet as you do in the manual, but my velocities are different.
Read moreIt’s not unusual for two barrels of the same manufacturer, using the same loads, to vary 100 fps or more.…
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Philip Mahin
faqs
I have some military cases. I got the old primer out with some difficulty and I can’t get new primers to seat. Do military cases use different size primers than commercial brass?
Read moreMilitary cases have crimped in primers. The crimp has to be removed before primers can be seated. The crimp can…
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Philip Mahin
faqs
Can I interchange data from one manual to another?
Read moreNo. Each manufacturer uses a firearm that would be different from the other in chamber and barrel specs, making it…
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Philip Mahin
faqs
Is load data interchangeable from my handgun to my rifle?
Read moreNo. You should stick with the data in your handgun manual while loading your pistols and use your rifle manual…
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Philip Mahin
faqs
Are flattened primers always an indication of high pressure?
Read moreNot necessarily. At the cartridge’s ignition, a light load won’t always fully expand the case within the chamber. It does,…
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Philip Mahin
faqs
Why do loads vary from manual to manual?
Read moreGood question. First of all, we need to understand that reloading manuals are not carved in stone. Think of a…
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Philip Mahin
faqs
I don’t want to waste my time wiping all the sizing lube off my cases after the resizing operation, but I’ve been told not to tumble loaded ammunition. Won’t some lubrication help the cartridge chamber more easily? What happens if it is not removed before shooting?
Read moreUpon ignition, the case expands in all directions, with the case walls tightly gripping the chamber. Almost instantly, the case…
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Philip Mahin
faqs
Why isn’t my powder mentioned in your reloading manual?
Read moreNo comprehensive manual has the space to show every combination. As a result, there will always be some combinations that…
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Philip Mahin
faqs
I don’t like having a bunch of different powders around. Is there any powder that will work well in both my .270 Winchester rifle and .357 Magnum pistol?
Read moreNo. Case capacities in these two cartridges are so drastically different, that any powder that might work well in both…
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Philip Mahin
faqs
What is the difference between single shot pistol and rifle bullets?
Read moreJackets of single shot pistol bullets are thinner to allow reliable expansion at lower velocities. All of our bullets are…
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Philip Mahin
faqs
How deep should I seat my primers?
Read moreThe primer anvil should be in contact with the bottom of the pocket for uniform ignition. For safety, be sure…
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Philip Mahin
faqs
My reloading manual recommends a charge weight of 55.0 grains of a particular IMR propellant but this much powder won’t fit in my case. I took my wife’s rolling pin and crushed it into much smaller granules. I then weighed out the same charge and it fits fine. Why hadn’t someone thought of this before?
Read moreBecause when you broke the powder up, you exposed parts of the kernels without a deterrent coating and changed its…
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Philip Mahin
faqs
I have some loaded ammo that is pretty badly tarnished. Can I just put it in my tumbler and clean it up?
Read moreNo. Aside from the possibility of a sharply pointed bullet striking a primer and causing a detonation, the deterrent coating…
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Philip Mahin
faqs
How can I match that factory load?
Read moreWithout knowing what the propellant is and having it available, you can’t. Factories often use a propellant that is specially…
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Philip Mahin
faqs
How do I know whether to taper or roll crimp?
Read moreAs a general rule, roll crimps are recommended for most revolvers, rifles using tubular magazines and situations that call for…
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Philip Mahin
faqs
How can I change my loads to reduce recoil?
Read moreBy using the lightest bullet weights shown, or by using the load showing the minimum listed velocity. Using the lightest…
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Philip Mahin
faqs
Is it necessary to size a new case?
Read moreIt may not be necessary if the mouths are not badly dented and have sufficient tension to hold a bullet…
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Philip Mahin
faqs
I’ve worked up to your maximum load in your manual with a standard primer. Can I switch to a magnum primer?
Read moreNot without reducing your load by 5%. Magnum primers give a hotter and longer flame that causes the powder to…
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Philip Mahin
faqs
My case head has a shiny mark on it. Is this a sign of high pressure?
Read moreYes. High pressure will set the cartridge back into the bolt face, causing the brass to flow into the ejector…