So it was the G30 then? Or the G36? Was it single stack magazine or double-stack? That might be the problem. It's not the G21 if it's the short barrel version.
DinanTronics Stage 1 F30 328i M Sport
Dinan 20" Black Performance Wheels
Gunfighter Training Development and Evaluation
AR15/AR10 Armorer/Advanced Armorer
Gunfighter Training YouTube Channel