Products. AirTronic Precision Shoulderfired Rocket Launcher (PSRL) AirTronic ShoulderFired Rocket Ammunition. GS777 Lightweight ShoulderFired Recoilless Launcher. M203 40MM Grenade LauncherFolding Stock. M203 EXPIC AK Handguard Mount. M203A1/A2 40MM Grenade Launcher. M203EXPIC 40MM Grenade Launcher (Picatinny Rail Mount System)