The shotgun is a model 1900, hand fitted, custom finish, coach gun. :)
:thumbdown:What I have:
Clymer 16 gauge 2 3/4" reamer (finish).
What I've done:
I purchased this on eBay for my; 16 gauge, 2 1/2" shotgun shell, on my 1900 SXS hammerless shotgun to lengthen the shell to modern 2 3/4"...