Tippmann A-5.  The gun includes an E-grip, Flatline barrel, an extended sight rail, and M-4 (metal) magazine. The inset shows the same gun in it's former configuration with a 4-sided picatanny handguard, 14" Commando FX barrel, the A-5 collapsible stock, , an M-16 style carry-handle, a 4x scope, a Harris bi-pod, a flash light and holder, and a vertical foregrip.