adjustable trigger pull

pull the trigger

double-pull trigger action

hard trigger pull

heavy trigger pull

pull fuse; pull-action fuse

adjustable legs

adjustable head space feature

adjustable breaker point

adjustable cam

adjustable charge

adjustable choke

adjustable fire line height

adjustable mould

adjustable rear sight

adjustable ring

adjustable screw wrench

adjustable sight

adjustable speed transmission

adjustable upper sling swivel

adjustable valve

adjustable vane

adjustable

height-adjustable seat

internal adjustable scope

adjustable orifice

adjustable propeller

adjustable stabilizer

adjustable surface

adjustable-area jet

adjustable coupler

adjustable diffuser

adjustable-pitch propeller