diana 20
facts
- country: germany- type: spring piston break barrel
- bore and stroke: 25x51 mm
- caliber: 4.5 mm
- length: 102 cm
mainspring
id 13 mm, od 19 mm, wire 3 mm, 26 coils, length 186 mm.energy
jsb match 0.52 g: 161 m/s => 6.7 joules (4.9 fpe).mods
- stock stripped, stained and finished with boiled linseed oil.- synthetic breech seal (shimmed weihrauch).
