A bill of sale is worth the paper its printed on.
Anyone who sells you a stolen gun probably doesn't mind signing a BOS with a fake name and fake ID.
The idea that a bill of sale somehow immunizes you from receiving stolen property is laughable.
Need a FFL in Dallas/Plano/Allen/Frisco/McKinney ? Just EMAIL me. $20 transfers ($10 for CHL, active military,police,fire or schoolteachers)
Plano, Texas...........the Gun Nut Capitol of Gun Culture, USA https://www.youtube.com/watch?v=pELwCqz2JfE