GC_UPC AERO APCR640438 M4E1-T 5.56 MID SM15 16 BLK MAP APCR640438 show more like this 17.99 Defense Depot GC_UPC AERO APCR640438 M4E1-T 5.56 MID SM15 16 BLK $1,026.70 APCR640438 show more like this Calculated in Cart DACK Outdoors GC_UPC AERO APCR640438 M4E1-T 5.56 MID SM15 16 BLK MAP APCR640438 show more like this Calculated in cart GunZoneDeals