Yep. Works great!
Rock Creek Barrels (Mike Rock) uses it on his 5R barrels. Treats with smooth kote, then laps with BP2000.
Treat the barrel then shoot it. A long time ago I ordered some product from them. They were very helpful with the order and usage instructions.
Its a nice alternative to oil based lube. Does not collect junk when your out and about in the bush, etc.