I respectfully question the order of the barrel build. This is due mainly in part to my current project of fitting a set of 410 and 28 gauge model 21 barrels. Both sets of barrels were over sized externally and chambers were under size as well as the bore. No choke. Barrels were fit, struck and then sent to have chambers cut for proper fit and length. Bores opened to Winchester specs, and then choked.
Parker May have done things differently and I hope others can share there knowledge on the build process by Parker.
Chokes can be perfectly recut with the right person using the proper equipment set up off the bore.
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