Vigor 9904 M4 Rifle & Glock Pistol Spring Combo Pack in Blue 0 68 23 Jan 2021 11:46 BB Guns UK Vigor 9904 - M4 Rifle & Glock Pistol Twin Pack in Blue The Vigor M4 rifle and the pistol in the combo deal are Spring BB Guns, meaning their operation is spring-loaded, and you don't need any batteries or gas to make them work, so the..Price: £34.95