"SWISS SIG MODEL 550-1 SP SEMI-AUTO RIFLE. SN 80074. Cal. 223. Extraordinarily well-made military style semi-auto rifle with 20" rnd bbl including birdcage flash hider. It has top mounted gas system with shielded front sight and articulated night sight. Gas system is adjustable by means of a nut at end of gas tube. Receiver is gray baked enamel finish sheet metal with ambidextrous safety & bayonet style magazine catch. It has the outstanding Sig 400 yard rear sight with glow-in-the-dark dots at the 100 meter setting. Top of receiver has scope mounts containing a return to zero base with a Hensoldt ZF6x36 green enamel scope. Mounted with green synthetic forearm with integral bipod & pistol grip with side-folding skeleton stock with rubber butt pad. Accompanied by its orig gray Fiberglas carrying case containing a small cleaning pouch, two plastic 20-rd magazines & one 30-rd magazine. CONDITION: New, unfired, in the case. Optics, case & accessories are equally new. 4-35620 JR430 (5,000-7,000)"
Reloading kit for pinfire cartridges (5mm,7mm, 9mm & 12mm)
How does it work?