front guard screw stud

front guard screw

front trigger-guard screw

headless guard screw

guard-screw bushing

front-sight clamping screw

front-sight locking screw

front-sight screw

front-sight blade screw

eye-guard; eye guard

front guard

front hand guard

front tang of guard

front-sight guard

cocking stud

cradle-trunnion stud

feed-pawl stud

cylinder retention stud

advance stud

axle shaft stud

ball stud nut

belt feed lever stud

belt-feed lever pivot stud

clutch yoke ball stud

control lever stud nut

cylinder head stud nut

hub stud

forearm stud

breech screw

screw breechblock

cap retaining pin screw

bipod body wing screw

deflector clamp screw