2" model 10, 28 oz., 2" model 12 18.5 oz.
2" model 36, 20 oz., 2" model 37 13.5 oz.

All approximate weights, and I doubt the RB vs. SB weights change those figures by more than an ounce if at all.

__________________
Alan
SWCA LM 2023, SWHF 220