Turrets from a Beech Grizzly ?
kit': The XA-38's central station fire control system (GE Model 2CFR21B3), upper (GE Model 2CGD50URC1) and lower turrets (GE Model 2CGD50LRC1) were identical to those installed in the A-26 ... and, thus, those turrets were all variations on the B-29's 2-gun units.