First, I know this has probably been asked already, but I couldn't find the answer. Is the following process legal if done in this order, and done without a tax stamp?
1. Add 14.5 barrel to ar-15 upper
2. Pin and weld flash supressor to barrel making it 16.1
3. Assemble legal lenth rifle.
1. Add 14.5 barrel to ar-15 upper
2. Pin and weld flash supressor to barrel making it 16.1
3. Assemble legal lenth rifle.