Kevin,
Here is my Model #14 "Attack"...not the usual 7-1/2" blade but one with a 6-1/2" blade. Here's the story:

"This RKS newsletter article is from the June 1995 RKS newsletter #27. The model #14 Attack has become a mainstay in the Randall lineup. The 7-1/2" full tang knife was designed with military usage in mind from the start. After the design was submitted to the military boards, the Air Force requested the same knife, only with a 5-1/2" blade. Although neither knife was adopted as a military issue knife, they both have become enormously popular styles. In years past, when time allowed, a few of these #14 and #15 blades were made in the 6.5" length."