No, they did not. The 5.25" was closest.
P-4 (0189) - Blue, adj. sights, 4" bull bbl.
P-512 (00193) - Blue, adj. sights, 5-1/2" bull bbl.
P-512G (00137) - Blued steel barrel and bolt and stainless receiver. Estimated 2,000 produced as a special distributor offering.
P-678GC (0196) - Blue, adj. sights, 6-7/8" slab sided bull barrel, special distributor offering.
P-8GC (00197) - Blue, adj. sights, 8" slab side bull barrel, called the "Great Eight", special distributor offering.
KP-4 (0190) - Stainless, fixed sights, 4-3/4" tapered barrel
KP-4B (00167)- Stainless, Adjustable sights, 4" bull barrel
KP-514 (0163) - stainless, Adjustable sights, 5-1/4" tapered barrel, produced for a few years only.
KP-512 (0192) - stainless, Adjustable sights, 5-1/2" bull barrel
KP-678GC (0195) - stainless, Adjustable sights, 6-7/8" slab side bull barrel - About 500 made for distributor L.M. Burney in 1995