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NightRainFalls · February 20, 2005, 02:22 PM

I have just begun reloading 45-70 ammunition for my Marlin 1895 GS. The lee loader I have only resizes the neck of the brass.

About half of my reloaded cartridges chamber harder than factory ammo. The resistance occurs when the last eigth of an inch of the cartridge is pushed into the chamber.

The trim length and length overall are within spec, but the cases are a few one thousands of an inch wider than they should be. This is probably from brass expansion. The cases have only been used in the Marlin I am reloading for.

Is this just a minor problem, or is it likely to damage the gun. If this means that the action will work harder, but the gun is not damaged, I will use the ammo, but if it causes damage, I will happily discard them.

Thanks in advance for your kind assitance.

February 20, 2005, 02:22 PM	#1
NightRainFalls Junior Member Join Date: February 20, 2005 Posts: 1	Can neck sized brass damage chamber? I have just begun reloading 45-70 ammunition for my Marlin 1895 GS. The lee loader I have only resizes the neck of the brass. About half of my reloaded cartridges chamber harder than factory ammo. The resistance occurs when the last eigth of an inch of the cartridge is pushed into the chamber. The trim length and length overall are within spec, but the cases are a few one thousands of an inch wider than they should be. This is probably from brass expansion. The cases have only been used in the Marlin I am reloading for. Is this just a minor problem, or is it likely to damage the gun. If this means that the action will work harder, but the gun is not damaged, I will use the ammo, but if it causes damage, I will happily discard them. Thanks in advance for your kind assitance.