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
HK VP9, VP9SK Left Side Charging Support
H&K Heckler & Koch
Now: $4.95Was: $5.95Charging Support, Cocking Aid - Left Side - VP9 & VP9SK Replacement cocking aid for the slide. German HK. Compatible With: VP9 VP9 Tactical VP9SKHKP-16824Now: $4.95Was: $5.95 -
On Sale
HK UMP, USC Recoil Buffer
HKP HK Parts
Now: $10.95Was: $11.95HKP USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HK USC .45 HK UMP modelsHKP-18746Now: $10.95Was: $11.95 -
On Sale
HK German Roller +2 - Used - 8.02mm
H&K Heckler & Koch
Now: $6.95Was: $7.95H&K German Roller +2 - Used - 8.02mm Used HK standard (8.02 mm) locking roller. The proper roller size is essential for proper bolt gap. HK German Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...HKP-19366Now: $6.95Was: $7.95 -
On Sale
HK VP9, HK45 Series Extractor Spring
H&K Heckler & Koch
Now: $4.95Was: $5.95HK VP9/45/P Series Extractor Spring A must-have repair and replacement part and a recommended part to change out when doing routine maintenance on your HK pistol. Compatible With: HK45 HK45C HK P30/P30L HK P30SK HK P2000 HK P2000SK HK VP9 HK VP9A1 F HK...HKP-01501Now: $4.95Was: $5.95 -
On Sale
HK MP5K, SP89, SP5K Recoil Spring - 9mm
H&K Heckler & Koch
Now: $10.95Was: $11.95HK German MP5K, SP89 Recoil Rod Assembly Spring This is a great replacement and spare part.HKP-01159Now: $10.95Was: $11.95 -
On Sale
HK MP5, HK94 Recoil Rod Assembly - US
USA
Now: $32.95Was: $37.95HK MP5, SP5, & HK94 Recoil Rod Assembly - Complete And Micro-Polished All stainless steel rods and ends. This is a great item to have on hand as a spare part. Compatible With: HK MP5, HK SP5, HK94 HK MP5SD HK MP5 full-size clones and...HKP-02168Now: $32.95Was: $37.95 -
On Sale
HK416, MR556 HK417, MR762 Firing Pin Spring
H&K Heckler & Koch
Now: $13.95Was: $14.95H&K MR556/MR762/416/417 Firing Pin Spring This part is great to have on hand as this item is a high wear and replacement part and one of the most common breakage parts on the HK 416/MR556 rifles. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK...HKP-00928Now: $13.95Was: $14.95 -
On Sale
HK45, HK45C, USPC Magazine Floorplate - .45 ACP - 10 Round
H&K Heckler & Koch
Now: $13.95Was: $14.95H&K 10 Round HK USPC/45C 45 Magazine Floorplate Each floor plate is the new style rubberized floorplate for enhanced life. A great spare part to have on hand for repair and replacement of parts. This floorplate is commonly called the "elephant foot"...HKP-02210Now: $13.95Was: $14.95 -
Out Of Stock
HK MP5, HK33, HK53, HK93, HK91, G3 Locking Roller for Bolt Head - 8.04mm
H&K Heckler & Koch
$29.95H&K +4 Roller For Bolt Head 8.04mm - Over-Sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible With: HKG3, 91 & PTR HK93, 33, 53 HK MP5, MP5K Cetme, C308 Clones...HKP-00508$29.95 -
On Sale
HK MP5, HK94, MP5K, SP89 Firing Pin - Titanium
HKP HK Parts
Now: $42.95Was: $49.95HK Parts Titanium Firing Pin for HK MP5, HK MP5K, HK94, and HK SP89 Grade 6 Titanium firing pin. Each was made using the factory HK specifications from original HK German blueprints. This is the finest US made Titanium firing pin available anywhere, at...HKP-17601Now: $42.95Was: $49.95 -
On Sale
HK91, G3, HK33, HK53, HK93 Cocking Handle Spring
HKP HK Parts
Now: $2.95Was: $3.95HKP Cocking Handle Spring The cocking handle spring is a medium wear component and should be replaced intermittently. Grab a spare to keep with your maintenance gear in case of failure in the field too. Compatible With: HK G3, 91, PTR91 HK...HKP-02465Now: $2.95Was: $3.95 -
HK Locking Washer - Rear Sights
HKP HK Parts
$2.95HKP Rear Sights Locking Washer HK German rear sights toothed locking washer used in perfect working order.HKP-00869$2.95