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Accommodate Ed? Why would removing extra metal, in the exact place chamber pressures are greatest, make things better when you could just use the right shells? Do not forget our factory shell can run up to 11,500 which is a 1,000 psi above the service pressure for the gun you just reamed more metal out of the chambers. And guns made for 1900 ammo were not designed for modern SAAMI pressures that came out 20-50 years later.
Stop trying to blur the lines. Modern shells can have too high pressures for safe use in vintage guns. And our shell makers never share pressure data and are not going to held responsible for any damage that those shells cause. They will claim they passed SAAMI pressure standards. It always comes back to using shells with the right pressure for what the gun was designed to shoot. Built to a standard, built to handle the loads for that era, not built for future loads based on the chamber length basis.
Your constant attempt to say ammo ought to be OK is a bad thing. People searching for information might grab onto your post and decide that WallyWorld ammo is fine and shoot it in a gun designed for ammo at 2/3 that pressure. Will it fail? I do not know. But I do know if it does fail, major injury could result. Not that long ago K-80's were blowing up and they had 3" chambers from the factory. Not safe with the ammo they were using because they blew up. But that was factory ammo, 2 3/4" factory ammo. Chamber length and pressures all seemed fine but the little issue of failure ruined a few people's day. If you are shooting a proofed gun like a British 2 1/2" gun use proper ammo. Do not ream out the chambers for convenience or thinking longer chambers can handle more pressure. Most 3" gun barrels are built thicker in the camber areas. Making a chamber longer will not add extra metal to the outside of the barrel.
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