This foregrip for Stevens 320 shotgun is folding adjustable with five positions and makes a nice aftermarket add on mod forend grip. Mounts on any Savage Stevens 320 shotgun equipped with a picatinny/weaver rail on forend. Shotgun Grip is ergonomic and Non-slip. Simply install a picatinny rail mount on your stevens 320 shotgun forend and your done. Constructed of heavy duty polymer for years of use. Fits on any MIL-STD-1913 picatinny rail on tactical shotguns and AR-15 rifle picatinny rail handguard. Picatinny rail sold separately. Made in USA. Limited lifetime warranty.