HK4

HK4

Parts List

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0Schematic w/ Parts List
1Slide
2Extractor
3Set Bolt
4Compression Spring
5Rear Sight
6Safety
7Recoil Spring
8Barrel
9Cylinder Head Screw
10Face Plate
11Firing Pin Spring
12Firing Pin
13Plunger Spring
14Plunger
15Stop Pin
16Barrel Clamp
17Barrel Clamp Cylindrical Pin
18Ejector
19Ejector Spring
20Sear
21Spring Support
22Drag Spring
23Disconnector Spring
24Disconnector
25Hammer
26Buffer Plate
27Buffer
28Elbow Spring
29Trigger
30Trigger Cylindrical Pin
31Trigger Bar
32Ejector Cylindrical Pin
33Hammer Pin
35Magazine Catch Cylindrical Pin
36Hammer Spring Rod
37Mainspring
38Magazine Catch
39Grip
40Grip Screw
41Magazine
42Magazine Bottom
43Follower
44Follower Spring
45Locking Plate Assembly
NINot Illustrated
FREE STANDARD SHIPPING OVER $75

Orders $75 and over ship for FREE in Contiguous USA. The qualifying minimum amount applies to order subtotal less discounts and taxes.

The free shipping is applied automatically at checkout.

The free shipping is not applicable to:

  • Extra shipping charges.
  • Items shipped via FedEx Hazmat, Second Day, Standard Overnight, Ground, and Freight. Such items are excluded from the minimum order subtotal.
  • Shipping to Canada, U.S. Territories, Hawaii, and Alaska.

The free shipping is good for items that are in stock at the time of purchase. No rain checks available. Cannot be applied to previous orders.