SIG SAUER SIG556xi - Manual (Page 78)

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1 flaSH SuPPreSSor, eXTended
2 SToP Pin SPring Pin
3 Pin SToP
4 SToP Pin SPring
5 gaS ValVe, full
6 Pin, gaS BlocK reTaining
7 BlocK, gaS
8 nuT, Barrel
9 SHorT oP rod
10 Barrel, 5.56 naTo, 16 in
11 SHorT recoil SPring
12 Pin, SloTTed SPring 3/32” X 5/8”
13 WaSHer, oP rod, 556-1
14 oPeraTing rod end
15 gaS TuBe
16 uPPer receiVer
17 conTinuouS ToP rail Handguard
18 SigHT rail ScreW
19 duST coVer reTaining cliP
20 coVer, duST oVerMold
21 Pin, eXTracTor
22 eXTracTor, 556-1
23 eXTracTor SPring
24 aMBideXTrouS cHarging Handle
25 BolT, 556, non-HeliX
26 firing Pin STud
27 firing Pin SPring
28 firing Pin
29 cHarging Handle caTcH SPring
30 cHarging Handle caTcH
31 cHarging Handle caTcH Pin
32 BolT carrier
33 Handguard SuPPorT Pin
34 Pin, Barrel indeXing
35 loWer Modular Handguard rail
9.1 sig556xi upper Parts list & diagram