Grainsystems STANDARD ALPHA 9MM DA-SA Parts Diagram User Manual
Assembly components

MAIN OPERATION COMPONENTS
54
10
8
19
22
24
25
26
37
5
43
45
49
50
42
32
33
34
38
39
30
1
52
14
13
9
18
15
46
35
36
29
31
28
53
27
12
48
51
47
41
40
21
3
2
3
23
44
7
11
4(S, M, L)
17
16
6
62
61
60
500
20
ASSEMBLY COMPONENTS
SDP Compact
Exploded Diagram
1: Upper frame
2: Lower frame
3: Frame screw
4S: Grip (small)
4M: Grip (medium)
4L: Grip (large)
5: Buffer
6: Slide
7: Barrel
8: Recoil spring guide
9: Recoil spring
10: Recoil spring stop
11: Front sight
12: Rear sight
13: Firing pin
14: Firing pin spring
15: Firing position pin
16: Extractor
17: Extractor plunger
18: Extractor spring
19: Firing pin safety
20: Firing pin safety spring
21: Ejector
22: Sear
23: Firing pin safety
activator
24: Sear spring
25: Safety activator spring
26: Sear pin
27: Trigger
28: Trigger bar
29: Trigger spring
30: Trigger pin
31: Trigger bar pin
32: Magazine catch
33: Magazine catch spring
34: Magazine catch
plunger
35: Magazine catch screw
36: Trigger bar spring
37: Slidestop lever
38: Slidestop lever spring
39: Slidestop lever spring
pin
40: Decocking lever (left)
41: Decocking lever (right)
42: Decocking lever spring
43: Hammer
44: Hammer pin
45: Disconnector
46: Hammer strut
47: Hammer spring
48: Pivot
49: Disconnector pin
50: Hammer strut pin
51: Grip pin
52: Hammer pin retainer
53: Front sight screw
54: Rear sight screw
60: Pivot pin
61: Lower frame insert
62: Grip removal tool
500: Magazine
ASSEMBLY COMPONENTS