:: crosman optimus

alias

bam b19

facts

- type: spring piston break barrel

- country: china

- caliber: 4.5 mm

- trigger: single stage

- bore and stroke: 25x? mm

- length: 107 cm

- weight: 2.9 kg

- misc: gamo 440 clone

docs

exploded view

energy

jsb exact 0.547 g: 275 m/s => 20.7 joules (15.3 fpe).

mods

- stock stripped and painted black.

- barrel shortened to 42 cm.

- new trigger blade from welch willy (http://woodfield-gcp.co.uk).