I have learned a great deal about Damascus/Twist/Laminated Steel tubes both here, and from LC Smithian Dr. Drew House- I followed his suggestion and have used Formby's Tung Oil on my current three "using" Damacus shotguns: PH 16- 26" Parker twist, PH 12- 30" same barrel grade, and a LC Smith quality 2- 12 with 28" Good Chain Damascus barrels- the later a "transition" perhaps, as it has the second extractor design and the barrel lug is radiused at the front corners.
All are great shooters, I use RST 2.5" shells EXCLUSIVELY-I have been lucky to have obtained them with solid wall thickness, no pits or signs of reaming or honing wharever- and all have a more open choke in their right tubes, and a slighty snugger one in their left tubes-Just the way I would have ordered them back in 1903--
Can't speak for Dr. Drew on a personal basis, but as he uses my favorite late poet/author for his "By-Line" Iron, Cold iron- by Rudyard Kipling- he must be OK--
