Re: B&O M-15 underframe
The B&O Modeler also had a nice article on an M-15k rebuild. Please utilize the following link to access the ezine: https://www.borhs.org/modelermag/modeler-44-201706.pdf
The article is titled:
MODELING B&O’S M-15K BOXCAR IN HO,
BUILDING THE CHICAGOLAND RPMMINI-KIT
BY BOB CHAPMAN
The article begins on page 21.