Quote Originally Posted by WETWRKS View Post
Actually...it might be as simple as they don't want a complete gun sent to their FFL as they think it might be "tested out" by the employees. It could also be that they don't want a specific caliber linked to that lower.

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The caliber is part of the rollmark on the receiver, so that's probably not it. Avoiding a sketchy FFL could be a factor, but if that was his concern just use a different FFL.