All the KR guns were definately Mk4's. Sterling did mark them as L2A3 by the designation so that buying nations could be assured that what they were getting were in fact the UKMilitary Sterling SMG
All the KR guns were definately Mk4's. Sterling did mark them as L2A3 by the designation so that buying nations could be assured that what they were getting were in fact the UKMilitary Sterling SMG