No doubt about it - 'gun shop commandos' do have a unique way of viewing the world...
If I remember correctly - it's 'Turnbull' who uses a clear-coat on his refurbished case-hardening - while 'Colt' uses wax - but Pettifogger might be correct on this one.
Back in the '80's - I bought a Gold Cup for less than a used Government Model because of the exterior finish.
It looked as though it had suffered smoke damage or something similar, and the owner had first noticed it after he'd cleaned it with his 'super-special home-brewed solvent', and he was certain he'd ruined it.
From talking with factory guys, I 'knew' the factory was using spray-on 'Pledge' after proof-firing - so it became mine.
After a proper cleaning - it was a beautiful piece, and sold for serious money, since my own National Match hardball guns shot tighter groups, and when you're shooting one-handed, standing - at 50 yards - everthing counts.
Like a few others - I've been around 'real' Colts a very long time - and outside of 'some, not all' early Third Generation revolvers (from when the UAW bought Colt, and QC suffered as a result), the fit and finish has been exactly what I'd wanted and knew to expect.
And remember - this is the Colt forum, as stated - and 'Real Cowboys Shoot Colts'.
Vaya,
Scouts Out!