Product incompatibility notice- JP Enhanced 9MM AR Bolt Carrier Group - JPBC-9MMA

The inner diameter of the JP Enhanced 9MM AR Bolt Carrier Group - JPBC-9MMA is smaller than the standard 9mm BCG manufactured by Angstadt Arms, Spinta Precision, VLTOR, QC10m etc.  Because of this, this product is incompatible with our 9mm compatible MCS.  At this time we are not modifying JP Enhanced 9mm BCG's to operate with our system.  Sorry for any inconvenience this may cause, and we will send an update if anything changes.