Summary Bachmann 39-700A OO Gauge BR Mk2F BSO Brake Second Open Coach BR Blue And Grey Inter-City M9516. Bachmann Branchline OO Scale. The Mk2Fs were the final evolution of the Mk2 family, British Rail’s second generation of standard coach design, and these coaches featured full air conditioning, interior panelling made of plastic, a new style of seating and tinted windows.
