I did find this just now, good info, but it doesn't really answer my question
http://opencarry.mywowbb.com/forum55/7874.html
Two forms to fill out for a pistol transfer in WA state.
A) Federal 4473 form (required for any firearms purchase from a dealer in the USA)
B) Washington State Pistol Transfer Application (this is WA-specific AND handgun-specific, it doesn't get filled out for long gun transfers)
When you fill out both forms, the 4473 is usually called in immediately and you get one of three answers from NICS:
A) Proceed (Go ahead with the deal if state and local requirements are/will be met)
B) Delay (This gives NICS 72hours to come up with an answer. If they do not call the FFL back within those 72 hours, the law states that the FFL may choose to transfer the firearm, although everyone that I know of will take the initiative and call NICS back to get an approval or a denial.)
C) Denied (This person is ineligable to own a firearm according to NICS/FBI)
With a proceed on the Federal form, the FFL will process the State form, either by faxing in the form to the applicable LE agency in the jurisdiction where the buyer lives, and that LEA has 5 business days to respond. If they do not, it works similar, that the FFL may opt to go ahead with the sale, or they may choose to try and check status before transferring.
On a state form, filled out by a buyer with a valid WA CHL, the state is satisfied that they have performed a background check within the past 60 months (length of CHL in WA) and so long as the 4473 comes back a proceed, (or a delay, then a proceed) the pistol can be transferred immediately.
With a CPL and quick penmanship, one can be in and out of a dealer with a new pistol in about 10-15 minutes, provided that the dealer gets an immediate "proceed" from NICS. My personal record is about 20 minutes, because I always have to BS a little with the guys there.
I hope this helps.