Advanced Technology Inc. offers its SHOTFORCE product line to fit Harrinton ' Richardson (H'R) and New England Firearms (NEF) single shot rifles and shotguns. The shotgun models include H'R Topper and NEF Pardner 12, 16, 20, .410 and all variants. Rifle models include H'R Ultra and NEF Handi-RifleTM calibers .22 Hornet through 30-06 and ALLvariants. Also fits NEF Huntsman and Sidekick muzzleloaders. The SHOTFORCE line includes a six position buttstock with pistol grip and forend combo, buttpad, muzzle mount, heatshield with mounted ghost ring sights and shotshell holder. Also available are these same accessories to fit Mossberg, Remington and Winchester 12 guage shotguns.