Shop today for Heckler & Koch G3 parts and schematics with Numrich Gun Parts. Numrich has been leading the industry since 1950 with parts and accessories like these Heckler & Koch G3 parts, and continues to serve the gunsmiths, hunters, and target shooters who rely on Numrich for current and obsolete parts. Browse our selection today and place your order.


Parts List

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0Schematic w/ Parts List
3Retaining Ring
4Cap Assembly
5Cap Plunger
6Cap Plunger Spring
7Snap Ring
9Operating Handle
10Operating Handle Spring
11Operating Handle Pin
12Operating Handle Support
13Front Sight Aperture
14Front Sight Aperture Pin
15Front Sight Housing
16Rear Sight Base
17Rear Sight Windage Adjustment Screw
18Rear Sight Spring
19Rear Sight Ball
20Rear Sight Elevation Plunger
21Rear Sight Elevation Plunger Spring
22Rear Sight Housing
23Rear Sight Cylinder
24Rear Sight Plate
25Rear Sight Retaining Screw Lock Washer
26Rear Sight Retaining Screw
27Magazine Catch
28Magazine Catch Spring
30Magazine Catch Button
31Magazine Catch Clamping Sleeve
32Magazine Catch Lever
33Magazine Catch Lever Bushing
34Bolt Carrier
35Bolt Head Locking Lever Spring
36Bolt Head Locking Lever
37Bolt Head Locking Lever Retaining Pin
39Bolt Locking Roller
40Bolt Locking Roller Holder
41Bolt Locking Roller Retaining Pin
43Extractor Spring
44Bolt Locking Piece
45Firing Pin Spring
46Firing Pin
47Rear Grip
48Washer, Toothed
49Grip Retaining Screw
50Trigger Housing
51Selector / Safety Lever
52 & 95Grip Assembly / Handguard Locking Pin
53Trigger & Hammer Pack Housing
54Sear Spring Spacer
55Sear (Elbow) Spring w/ Roller
57Catch Pin
59Trigger Spring
60Sear Tension Plunger Spring
61Sear Tension Plunger
62Sear Tension Plunger Retaining Pin
63Sear Assembly w/Plunger Spring & Pin
64Trigger Pin
66Release Lever
67Hammer Pin
68Hammer Spring
69Hammer Spring Guide
70Ejector Spring
72 & 73Ejector Pin & Snap Ring Assembly
74Backplate w/ Recoil Rod
75Buffer Plug
77Buffer Pin
78Buffer Housing Assembly
80Buffer Housing Support
81Safety Plate
82Buffer Screw Washer
83Buffer Screw
84Buffer Housing Retaining Screw Washer
85Buffer Housing Retaining Screw
86Stock Bushing
87Buttplate Screw
88Butt Pad
89Recoil Spring
90Recoil Spring Guide Ring
91Recoil Spring Stop Pin
92Recoil Spring Retaining Pin
93Stock Locking Pin
NINot Illustrated

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.