Small Parts
Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.
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On Sale
HK45, P30 Lockout Key
H&K Heckler & Koch
Now: $11.65Was: $12.95Safety Lockout Key HK45, HK45C, P30, & P30L New HK German lockout key for the factory HK mag release lockout. Compatible With: HK 45, HK45 Tactical HK 45C, HK45C Tactical All HK P30 All HK P30L All HK P30Now: $11.65Was: $12.95 -
On Sale
HK P30, P2000 Release Latch & Decocker
H&K Heckler & Koch
Now: $29.66Was: $32.95HK P30 & P2000 Release Latch & Decocker Compatible With: HK P30 HK P30L HK P2000 HK P2000SKNow: $29.66Was: $32.95 -
On Sale
HK21E, HK11E Firing Pin - Titanium
HKP HK Parts
Now: $39.96Was: $49.95HK21E, MM21E, 11E Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK weapon system. Get the lightest,...Now: $39.96Was: $49.95 -
Out Of Stock
HK Trigger Pack Ejector Lever Axle
H&K Heckler & Koch
$19.95H&K Trigger Pack Ejector Lever Axle HK German ejector lever axle pin for all HK trigger packs. This is the factory correct axle pin that holds the ejector lever in place in the trigger pack. Fits all SEF & Ambidextrous style HK trigger packs...$19.95 -
On Sale
HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring
MKE
Now: $16.95Was: $19.95MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...Now: $16.95Was: $19.95 -
On Sale
HK45, HK45 Compact, P2000, P2000SK Right Slide Release Lever
H&K Heckler & Koch
Now: $44.96Was: $49.95Right Slide Release Lever Compatible With: HK P2000 HK P2000SK HK45 HK45 CompactNow: $44.96Was: $49.95 -
On Sale
HK45 Compact, USP Compact, P30 Recoil Spring Washer Retainer
H&K Heckler & Koch
Now: $8.96Was: $9.95New HK German Recoil Spring Washer Retainer This is the retaining washer that holds the spring captive on the end of the recoil assembly and pushes against the recoil spring. Compatible With: All USP Compact models P2000 P30 HK45 HK45CNow: $8.96Was: $9.95 -
Out Of StockOn Sale
HK G36, SL8 Recoil Buffer - Factory
H&K Heckler & Koch
Now: $18.86Was: $20.95HK G36 Or SL8 Factory Recoil Buffer A critical spare part as these buffers deteriorate with usage and time.Now: $18.86Was: $20.95 -
On Sale
HK G36, SL8 Spring - Cocking Handle - US
Now: $8.96Was: $9.95G36 Cocking Handle Spring- US Made Compatible With: G36 All variants SL8 All variantsNow: $8.96Was: $9.95 -
On Sale
HK23E, HK13E Firing Pin - Titanium - US
HKP HK Parts
Now: $39.96Was: $49.95HK23E, MM23E, 13E Firing Pin - Titanium Grade 6 weapons grade titanium manufacture. Made in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK weapon system. Get the lightest, strongest firing...Now: $39.96Was: $49.95 -
Out Of StockOn Sale
HK416, MR556, HK417, MR762 Selector Lever Clamping Sleeve - Ambi
H&K Heckler & Koch
Now: $5.36Was: $5.95H&K MR556/MR762/416/417 Ambidextrous Selector Clamping Sleeve German H&K factory clamping sleeve for ambidextrous selector levers on MR556, MR762, HK416, and HK417. Compatible With: HK MR556 A1/A4 HK416 HK MR762 A1/A4 HK417Now: $5.36Was: $5.95 -
On Sale
HK USC, UMP Cocking Handle Assembly - Complete
HKP HK Parts
Now: $119.96Was: $149.95HKP Cocking Handle Assembly for HK USC, UMP Complete cocking handle assembly for HK USC and HK UMP platforms. US-made and built to factory-spec dimensions and includes all required components for proper function and replacement. Includes: Steel cocking...Now: $119.96Was: $149.95