Manual

6. Appendix
6.1. list of parts
100 receiver
111. Receiver casing
141. Bolt cover
142. Rivet
151. Rear sight drum
152. Drum spring
153. Drum stud
154. Luminous ampoule*
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 spring
175. Spring pin
181. Elevation correction screw
200 Barrel / gas system
211. Barrel*
212. Front sight mount*
213. Roll pin
214. Spring ring**
221. Bayonet lug**
222. Spring pin
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. Spring pin
264. Spring pin
265. Spacer
268. Support washer
300 Handguard
311. Upper handguard
321. Lower handguard
330. Bipod complete**
331. Leg left**
332. Leg right**
333. Bipod carrier**
334. Stud**
335. Circlip**
336. Click stud**
337. Bipod spring**
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. Axel of bolt handle catch
424. Spring of bolt handle catch
425. Bolt handle
* Can not be ordered as individual parts
**Not on SG 551
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