Good article about ATF former gun expert......

[Annihilator]

Former ATF Gun Expert Pushing Back at Old Employer, 1968 Gun Control Act

By: José NiñoA former agent for the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), Dan O’Kelly, finds himself in tricky situation: For 23 years, O’Kelly was one of the agency’s leading gun experts. He was the lead firearms technology instructor at the ATF National Academy for five...

www.gunpowdermagazine.com

 

[Talyn]

Over the years I've seen guns at gun shows & in shops w/o serial numbers, and have stayed as far from them as I could.