Originally Posted By: Researcher
In the last decade or so, I've run into two of the Magnum-Framed NID 12-gauge 3-inch magnums, an optioned up and messed with No. 2E (500144) and a really clean Field Grade, and they were both bulged back of the chokes!?!



People often assume that steel did that, but, faulty reloads and big loads of 1s, 2s, and 3s were doing that before there was any suggestion of steel in shotgun ammunition.


Best,
Ted