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Extractor Spring Follower, Used Factory OriginalFirearm Mfgr: STERLING ARMSFirearm Model: 400 MKIIProduct #: 503090$5.48
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Extractor, New Style, Nickel, Used Factory OriginalFirearm Mfgr: STERLING ARMSFirearm Model: 400 MKIIProduct #: 921790$15.84
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Firing Pin Spring, Used Factory OriginalFirearm Mfgr: STERLING ARMSFirearm Model: 400 MKIIProduct #: 1681030$4.88
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Firing Pin, .380 Cal., Blued-Steel, New ReproductionFirearm Mfgr: STERLING ARMSFirearm Model: 400 MKIIProduct #: 1050520$31.69
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Firing Pin, Used Factory OriginalFirearm Mfgr: STERLING ARMSFirearm Model: 400 MKIIProduct #: 503290$18.89
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Grips, Checkered Brown Plastic, Factory Original (Single Screw Type)Firearm Mfgr: STERLING ARMSFirearm Model: 400 MKII, 402Product #: 879890$15.84
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Grips, Checkered Walnut, Factory Original (2 Screw Type)Firearm Mfgr: STERLING ARMSFirearm Model: 400 MKII, 402Product #: 503510$17.67
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Grips, Plastic Simulated Wood, Used Factory Original (Single Screw Type)Firearm Mfgr: STERLING ARMSFirearm Model: 400 MKII, 402Product #: 503520$17.67
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Hammer Pin, Blued, Used Factory OriginalFirearm Mfgr: STERLING ARMSFirearm Model: 400 MKIIProduct #: 503370$3.35
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Hammer Pin, Nickel, Used Factory OriginalFirearm Mfgr: STERLING ARMSFirearm Model: 400 MKIIProduct #: 921800$3.35
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Hammer Strut, Used Factory OriginalFirearm Mfgr: STERLING ARMSFirearm Model: 400 MKIIProduct #: 503260$7.61

Parts List
NINot Illustrated
0Schematic w/ Parts List
2Slide
3Hammer
4Safety
5ASear
5BSear Spring & Follower
6Trigger
7Takedown Block
8Takedown Screw
9Mainspring Seat
11Recoil Spring
12Firing Pin Spring
13Mainspring
15Takedown Spring
16AExtractor Spring Follower
16BExtractor Spring
16CSafety Detent
17Trigger Bar Spring
19Hold Open Spring
21Trigger Bar
22Hold Open Ejector
23Hammer Strut
25AMagazine
29Firing Pin
30AMagazine Release Button
33Barrel
34Extractor
35Mainspring Seat Pin & Trigger Pin
36Hammer Pin
37Magazine Release Button Plunger
38Sear Pin
39Magazine Release Button Plunger Spring
40Grips
41Grip Screw
45Rear Sight Elevating Screw
46Rear Sight Pivot Pin
47Magazine Release Arm & Stud Assembly
48Rear Sight Windage Screw
48ARear Sight Windage Spring
52Rear Sight Blade