SIG SAUER SWISS ARMS SG552 - Manual (Page 29)

6. Appendix
6.1. List of parts
100 Receiver (diopter version)
111 Receiver casing
141 Bolt cover
142 Rivet
151 Rear sight drum
152 Drum spring
153 Drum stud
154 Luminous ampule*
155 Insert
156 Rubber disc
161 Pivot
162 Drum axle
163 Spring washer
164 Safety washer
165 Leaf spring
171 Windage correction screw
172 Click stud
173 Rear sight spring
174 Limitation ring
175 Spring pin
181 Elevation correction screw
100 Receiver (picatinny version)
111 Receiver casing
141 Bolt cover
142 Rivet
171 Rear sight holder
172 Flip up rear sight
173 Flat head screw
174 Pressure plate
175 Cup spring
176 Pin
200 Barrel/gas system
(diopter version)
211 Barrel*
212 Front sight mount*
213 Roll pin
214 Flash suppressor ***
223 Stop pin
224 Compression spring
225 Spring pin
231 Front sight
232 Night front sight
233 Positioning bolt
234 Night front sight spring
235 Spring pin
236 Front sight screw*
237 Front sight disc*
238 Spring pin
241 Gas valve
251 Gas tube
261 Gas piston
262 Recoil spring
263 Recoil spring guide
271 Collar
200 Barrel/gas system
(picatinny version)
211 Barrel*
212 Front sight mount*
213 Roll pin
214 Flash suppressor***
223 Stop pin
224 Compression spring
225 Spring pin
231 Flip up front sight, lower part
232 Flip up front sight
233 Positioning bolt
234 Flip up front sight spring
235 Spring pin
236 Front sight screw*
237 Front sight disc*
238 Spring pin
241 Gas valve
251 Gas tube
261 Gas piston
262 Recoil spring
263 Recoil spring guide
271 Collar
300 Handguard
311 Upper handguard
321 Lower handguard
400 Bolt
411 Bolt head
412 Firing pin
413 Firing pin stud
414 Firing pin spring
415 Extractor
416 Extractor spring
417 Pin
421 Bolt carrier
422 Bolt handle catch
423 Axle of bolt handle catch
424 Spring of bolt handle catch
425 Bolt handle
500 Trigger assembly
501 Trigger casing
510 3-round burst facility
511 Template*
512 Chargeover*
513 Pawl*
514 Pawl spring*
515 Bush*
516 Segment*
517 Segment axle*
518 Segment spring*
519 Locking washer*
520 Compression spring*
521 Magazine catch
522 Magazine catch spring
523 Magazine catch pin
524 Bush
531 Release bar
532 Circlip
541 Pistol grip
542 Floorplate
543 Allen screw
544 Stop nut
545 Nameplate
551 Pressure point screw
552 Stop nut
553 Pressure point spring
554 Trigger guard
555 Trigger guard bearing
561 Hammer
562 Hammer axle
563 Main spring 564 Bolt catch
565 Bolt catch spring
566 Spring bolt
571 Safety lever
572 Safety shaft
573 Locking spring
575 Automatic firing lock axle
576 Spring pin
578 Stop spring
579 Automatic fire lock
581 Trigger
582 Trigger spring
583 Trigger rod
584 Pivot, trigger
585 Trigger bush
586 Trigger rod spring
587 Sear*
588 Automatic fire pawl
589 Automatic fire pawl spring
591 Trigger casing stud
592 Spring-pressure pin
593 Spring for trigger casing stud
594 Spring pin
595 Pin
596 Cup spring
597 Baffle plate
598 Sear bolt*
599 Sear roller*
Appendix
56 57
Appendix