It also looks like a QD version(harvester Big Bore) of this can will ship Q2
From thetruthaboutguns.com
“The Harvester Big Bore encapsulates all the features of the Harvester, but adds the capability to allow the use of a modular adapter to utilize various mounting options. From direct thread to Patented ASR mounting applications, the Harvester Big Bore has your needs covered.” The Harvester is shipping now, with the Big Bore version in production and shipping in Q2.
From thetruthaboutguns.com