Maybe I'm the one missing something here....but all of my OEM Browning Invector Plus chokes.....
on the Modified Choke ...reads on the body "Mod Lead" ..."Full Steel"...
On the Improved Modified Choke - it read "ImpMod Lead" - "Full Steel" ...
On the Full Choke ....it reads Lead Only ...
But I still wouldn't shoot anything tighter than a Modified for Steel.
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