sling swifel studs for the stock sling swifels for the stockwidth for belt 20 mm. sling swifelsfor barrel with barrel diameter 15 mm and 16 mm. Width for belt 20 mm. “Weaver-type” mounting bases2-part with 21.5 mm profile width. Transverse slots reliably prevent the rings sliding due to the recoil of the weapon. 8-shot-magazinefor cartridges in calibre: .22 l.r..