Next up to go through the 4UAD Smart Airsoft's Grading Challenge is the Action Army AAP-01 GBB Pistol. This is series is a must watch for all airsofters as it is meticulous as well as very educational... "It was probably the most stunting Airsoft pistol released back in 2020. This Ruger like TM Glock magazine eating creature looks like a pistol, but packs a punch of a rifle.