стрижень зворотної пружини (‘солдатик’ поворотної пружини)
automatic locking retractor
cartridge retractor
retractor slide
arming pin; safety pin
bolt handle spring retaining pin
cap retaining pin spring
ejector spring retaining pin
firing pin retaining pin
safety spring retaining pin
track pin retaining pin
belt-feed pawl pin / belt feed pawl pin
belt feed pawl spring / belt-feed pawl spring
belt feed lever pivot spring / belt-feed lever pivot spring
ejector pin spring
firing pin spring
axle suspension spring
drive spring
drive spring guide
firing pin
leaf spring
pin
piston pin
pivot pin
recoil spring guide
safety-pin ring
sear pin
sear spring
single-strand, high-strength, spring-steel wire
spring breakup
spring mechanism
torsion bar spring
pin assembly