Description
Looking for the Spare Parts for Huben GK1 Air Pistol at a fair US price and shipped fast? TopGun-Airguns is an authorized Huben dealer based in Huntington Beach, California, with the full lineup in stock and experienced staff who actually shoot these airguns.
About the Spare Parts for Huben GK1 Air Pistol
Huben Spare Parts for GK1 provide essential replacements to keep your airgun performing at its best. Designed for durability and precision, these components ensure reliable maintenance and optimal function.
Notes:
This valve is no longer sold individually . To replace the valve, you must purchase the Valve Replacement Kit for GK1 Air Pistol , as it requires replacing all components together to ensure compatibility and proper function.
O-ring measurements are expressed as: External Diameter × Section.
Technical Specifications
Item
Specification
1
Receiver
2
Metal Seal of Opening Valve
3
Plastic Seal of Opening Valve
4
Opening Valve O-Ring 11.6×1.8 NBR90
5
Opening Valve (T his valve is no longer sold individually .
To replace the valve, you must purchase the Valve Replacement Kit for GK1 Air Pistol , as it requires replacing all components together to ensure compatibility and proper function.)
6
Striker Plastic Cap Cover
7
Striker
8
Striker Spring 7x31x1
9
Striker Buffer
10
Receiver Back Cover Plate
11
Original Receiver Back Cover Plate Allen Screw M5x14 (x2)
12
Rear Sight Base Height Adjust Screw M3x6
13
Rear Sight Base Pin 1×15
14
Rear Sight Base Adjust Screw
15
Rear Sight Base
16
Rear Sight Adjust Spring 4.5x8x0.6
17
Rear Sight
18
Rear Sight Base Spring 4x4x0.5
19
Close Valve Spring
20
Plastic Close Valve
21
Close Valve Spring Stem
22
Close Valve Dynamic Wheel Adjust Spring
23
Close Valve Brass Housing Internal to Stem Seal
24
Close Valve Brass Housing Internal Seal Btm 6.4×1.2 NBR90
25
Close Valve Brass Housing Internal Seal Top
26
Close Valve Brass Housing O-Ring 17×1.5 NBR90
27
Brass Close Valve Housing
28
Dynamic Power Adjust Screw M6x8
29
Striker Sear
30
Striker Sear Catch Pin Φ3.5×16
31
Sear Spring 5.3x13x0.5
32
Sear Catch
33
Trigger Arm Pin Φ3×17 (x2)
34
Sear Catch Arm
35
Trigger Arm
36
Sear Catch Arm Pin Φ3×19
37
Black Plastic Receiver Pin Cover 3 x 5.6 (x3)
38
Black Plastic Receiver Pin Cover 3.5 x 5.6
39
Trigger Tension Fine Adjust Spring 2.5x11x0.5 (x2)
40
Trigger Tension Fine Adjust Spring Base M5 x 10 (x2)
41
Pressure Gauge O-Ring 4×1.5 NBR90
42
Pressure Gauge
43
Magazine Indexing Arm
44
Magazine Indexing Spring
45
Plastic Housing for Magazine Indexing Arm
46
Magazine Release Arm Tension Spring 2.9x30x0.6
47
Magazine Release Pusher
48
Magazine Release Arm Housing
49
Magazine Release Arm
50
Magazine Release Arm Pin Φ2×8
51
Magazine Release Assembly Allen Screw M3x8 (x2)
52
Brass Safety Lever
53
Original Safety Lever Detent Ball (3mm) (x2)
54
Safety Lever Detent Ball Spring 3×5.5×0.6
55
Safety Lever Adjust Tension Allen Set Screw M4x6
56
Screw on Top of Receiver M3.5X8
57
Air Mag Index Assist Pin O-Ring 4.5×1.2 NBR90
58
Air Mag Index Assist Pin Φ2.5X11
59
Brass Insert Screw O-Ring 4.5×1 NBR80
60
Brass Insert Screw for Air Assist Magazine
61
Magazine Plastic Side Cover
62
Magazine Plastic Side Cover Allen Screw M3x6 (x2)
63
Breech Seal O-Ring 11.5×1.5 NBR90
64
Plastic Breech to Magazine Seal
65 A
Magazine .177 19 shots
65 B
Magazine .22 19 shots
65 C
Magazine .25 17 shots
66
Magazine Front Cover
67
Bearing of Magazine
68
Magazine Stop Retaining Pin Φ2×10
69
Magazine Stop
70
Magazine Stop Guide
71
Magazine Stop Guide Spring Pin Φ1.5×15
72
Magazine Stop Guide Spring
73
Magazine Base
74
Barrel Housing Base
75
Magazine & Barrel Housing Bases to Receiver Fasten Screw M4 x 12
76
Magazine Base and Barrel Housing Base Fasten Screw M3 x 14 (x2)
77
Barrel Retain NutM12x1
78
Barrel Housing to Receiver Allen Screw M3x35 (x2)
79
Barrel Shroud Retaining Pin Φ2×8
80A
Barrel .22 (5.5mm)
80B
Barrel .25 (6.5mm)
81
Barrel Shroud
82
Barrel Shroud End Cap
83
Pressure Tube End Cap
84
Pressure Tube O-Ring 29.5×2 NBR90 (x2)
85
Titanium Pressure Tube
86
Pressure Tube Connector
87
Pressure Tube Connector O-Ring 11.5×1.5 NBR90
88
Fill Stop O-Ring 6.4×1.2
89
Intake Valve
90
Intake Valve Cover O-Ring 9 x 1.2
91
Intake Valve Cover
92
Trigger Guard
93
Trigger
94
Trigger Retaining Pin Φ2.5×12
95
Trigger Guard Locker
96
Trigger Guard Locker Screw M5x25
97
Trigger Arm
98
Original Trigger Arm Stepped Bolt (x2)
99
Walnut Grip
100
Grip Screw M5x70
Inside The Box
Spare Parts for GK1 of your choice
Why buy this from TopGun-Airguns?
Questions about compatibility, calibers, or upgrades? Our team are real Huben users — call (714) 907-0067 for advice from someone who has actually shot one. See more from this brand on the Huben landing page.
Additional information
| Brand |
Huben |
|---|






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