Full Size ALL METAL Version of the Heckler and Koch designed M320. All metal except the G36 Type Stock. Swing out barrel loads dummy 40mm Round Included. You get everything you see in the Picture except the Glock which is shown for scale. Included: Standard Stock, and one dummy round. This of course mounts to our M4 Rifles with RIS Handguards. We offer a M320/M4 Rifle combo as well. This grenade launcher, like all of our Inert Heavy Weapons are currently serving the training needs of the US Military. *G36 Stock No Longer available.