Jesster, would you mind taking a little more time to type your posts? They're really hard to read.
Machining metal or molding plastic pseudo-realistic receivers in country would certainly allow us to bypass CBSA, which is arguably the most tightfisted of them all. We'd still have to contend with CFC, though, and they're almost as bad. Finally, there's the question of whether such a venture is financially practical, especially with a market that's more than a little stuckup about realism.
"The Bird of Hermes is My Name, Eating My Wings to Make Me Tame."