About the comment of 'word of mouth means everything in airsoft'.
Whether or not he accepts it back... it likely won't hurt his business, being that he is one of only two that are currently importing.
Although, of course, if 007Airsoft does start importing in any quantity again, then Mark may lose some business anyway.
RS Type 56-1 & RS Type 97B & KWA M11A1 w/steel kit
KJ M1911A1 & KSC G19 + AI Grenade