Over and underneath shotgun with ultra very low profile receiver made for turkey looking. Limited Picatinny rail created for red dot optic. The GAU-eighteen/A is a light-weight variant with the M2/M3 which is used around the USAF's MH-53 Pave Minimal and HH-sixty Pave Hawk helicopters. These weapons utilize the M2HB https://bookmarketmaven.com/story17152069/browning-guns-secrets