I know how frustrating it can be to try and find detailed preview images of equipment online, but I'll tell you something I do every once in a while when I can't find a store nearby where I can check things out first hand.
I'll look for someone selling the equipment I'm interested in buying on ebay, someone that posts actual pictures of the equipment they have on hand rather than using product shots from a website, and I'll ask them if they'll take a photo of the particular part I'm interested in. Sometimes they'll oblige if they have a digital camera handy, which most sellers do.
It sounds sneaky, but more often than not, if the person took the photo, the item was what I was looking for, and the price was right, I went ahead and put a bid on the item right there.
Hopefully somone in the ETS forum will know more about the BFM though.
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"Learn survival skills when your life doesn't depend on it."