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
HK33, HK93, HK51, HK91, G3 Paddle Magazine Release - Standard
H&K Heckler & Koch
Now: $7.95Was: $8.95New Heckler and Koch Paddle Magazine Release This item is a brand new HK German genuine part, not a used or surplus part. It's used for installation on all HK .223 and .308 rifles. Compatible With: HK91, G3 HK 51 HK33, HK93 PSG1, MSG90HKP-01851Now: $7.95Was: $8.95 -
On Sale
HK MP5, HK94 Cocking Tube Support Spring
H&K Heckler & Koch
Now: $5.95Was: $6.95Heckler and Koch HK MP5, HK94 Cocking Tube Support Spring A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable the detent to lock into...HKP-01104Now: $5.95Was: $6.95 -
On Sale
HK45 Compact, USP Compact, P2000, P30 Recoil Rod Bushing Sleeve
H&K Heckler & Koch
Now: $5.95Was: $6.95Recoil Rod Bushing Sleeve It is a must-have spare part to have on hand as this is a high-wear item. Compatible With: HK 45 Compact, HK45C Tactical HK USP Compact 9mm HK USP Compact .40 & .357 Sig HK USP Compact .45 ACP HK P2000...HKP-01765Now: $5.95Was: $6.95 -
On Sale
HK USP, P30, HK45 Hammer Spring - Reduced Power - 12 lb.
Lazy Wolf
Now: $8.95Was: $9.95Lazy Wolf HK Reduced Power Hammer Spring - 12 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG...HKP-18148Now: $8.95Was: $9.95 -
On Sale
HK91, G3, PTR Magazine Floorplate - 7.62x51 / .308 - 20 Round
Now: $16.95Was: $19.95HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Floor Plate USA made floor plate for HK 91, G3, PTR 91 20-Round Steel and Aluminum Magazines. This floor plate is made in the USA and counts as one US made compliant part needed for builds and conversions...HKP-18921Now: $16.95Was: $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...HKP-99344Now: $16.95Was: $19.95 -
On Sale
HK P30, P30L, P30S, USP Compact, P2000 - 9mm Recoil Spring
H&K Heckler & Koch
Now: $31.95Was: $34.95Recoil Spring New HK German manufacture recoil spring for guide rod. A must-have spare part and a common consumable item. Compatible With: USP Compact 9mm P2000 9mm P30, P30L & P30S 9mm modelsHKP-01560Now: $31.95Was: $34.95 -
Out Of StockOn Sale
HK416, MR556 Ejection Port Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95H&K HK MR556/416 Ejection Port Spring Compatible With: HK MR556 HK 416HKP-02616Now: $8.95Was: $9.95 -
On Sale
HK45, USP Sear Catch - New Style, LEM, Standard
H&K Heckler & Koch
Now: $17.95Was: $19.95HK USP & 45 LEM & Standard Models New Style Sear Catch This is the new style catch to convert older USP models to the newer style catch and is needed for the LEM conversions. It is also known as the USP match catch. Compatible...HKP-01803Now: $17.95Was: $19.95 -
On Sale
HK VP9, P30 Magazine Spring - 17 Round
HKP HK Parts
Now: $7.95Was: $8.95Extended Magazine Spring - HK 17 Round Magazine For Use With The +4 or+5 Extension - HK VP9, HK P30 This Extended Magazine spring fits VP9 and P30 9mm 17 round magazines with the HK Parts +4 and +5 Extension Base Plates. A must-have item when using...HKP-19297Now: $7.95Was: $8.95 -
On Sale
HK MP5, SP5, HK90 Series Paddle Mag Release Bushing - Full Auto - Used
H&K Heckler & Koch
Now: $4.45Was: $4.95H&K Full Auto Paddle Magazine Release Bushing HK German - Used This part is for use in all 90-series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is not for use on semi-auto HK builds. This part is used for...HKP-02303Now: $4.45Was: $4.95 -
Out Of Stock
Sling Snap Hook 1" - Universal
USA
$4.95Snap Hook 1" This is a 1" HK-style snap hook for sling or other custom projects. We also offer 1.25" HK sling hooks, as these are great spare parts to have on hand.HKP-00730$4.95