Originally Posted by hoss_hk
Check out Ray at Iron Sights on Monday nights in Oceanside. Did the f/r sights on my TRP and no probs. He may have to to take the gun back to his shop (instead of doing them at the range) if they're tight, but he's a licensed gunsmith. If that's not enough, buy the sight tool from HKParts.net or send it back to HK and keep your warranty. Local's the obviously cheaper option.
Have noticed on their website regarding gunsmith there weekly.
What fee does he charge for a set of sights?