Fenian, man, I'm glad I found someone more ugly than me!! I do like your color.
The plastic bottoms are one piece, molded from plastic. There are some replacements available.
Lugerdoc or GT from this forum may be able to help you.
Try
Heller Arms LTD.
Thomas W. Heller, aka Lugerdoc
PO Box 398
1420 Heritage Landing #101
St Charles, MO 63302
(636) 447-3006
HellerArms@webtv.net
or
Gerry Tomek
G.T. Specialties
316 W Straford Dr.
Chandler, AZ 85225
480-632-6565
Good Luck!!