All Parts
At HK PARTS, we bring you a wide array of high-quality H&K accessories and components for your favorite firearms. Whether you're upgrading your H&K pistol or rifle, or even looking for parts kits, we've got you covered. Discover a range of top-rated components for popular models like VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, we have it all. Enhance your firearm's performance and functionality with our premium components.
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Sale
German Factory Z51 Hard Case With Mounts, Tools
H&K Heckler & Koch
Now: $99.95Was: $199.95German Factory Z51 Hard Case With Mounts, Tools Fero - Z51 Steel hard case. This is the factory spare case that includes some of the factory HK mounts and tools. Please note there are used and will vary in condition and the contents vary slightly. This...HKP-19732Now: $99.95Was: $199.95 -
Sale
GG&G Picatinny to Harris Bipod Adapter
GG&G
Now: $14.95Was: $39.95Harris Bipod Adapter Made By GG&G Enables a Harris Bi-pod to attach to a mil-spec Picatinny rail. GG&G's AR-15 Harris Bipod Adapter is rugged and low profile. Features of the GG&G Bipod Adapter include a stationary standard swivel stud, a...HKP-02307Now: $14.95Was: $39.95 -
GSG9 HK G36C (5.56/.223) 4 Prong Flash Hider - Threaded 15x1 RH
GSG9
$86.95GSG9 HK G36C (5.56/.223) 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for...HKP-00631$86.95 -
GSG9 HK G36C Forearm - Black
GSG9
$126.95HK G36C Handguard With Heat Shield & Hand Stop New GSG9 manufactured forearm with heat shield & hand stop fits all HK G36C's or SL8/G36 conversions sized for the G36C barrel. Each unit also features the hand stop with sling attachement points...HKP-18216$126.95 -
H&K 21 (7.62x51/.308) Feed Mechanism Pawl
H&K Heckler & Koch
$69.95HK 21E & M13 Feed Mechanism PawlHKP-02071$69.95 -
H&K 21 (7.62x51/.308) Threaded Bushing
H&K Heckler & Koch
$9.95H&K 21 (7.62x51/.308) Threaded BushingHKP-16428$9.95 -
Out Of Stock
H&K 21E/23E (7.62x51/.308 & 5.56/.223) 4 Position Trigger Housing
H&K Heckler & Koch
$0.00H&K 21E/23E (7.62x51/.308 & 5.56/.223) 4 Position Trigger Housing This 4 position trigger housing is designed for factory HK21E and HK23E firearms. It is an excellent spare to have on hand for your HK belt-fed firearm, providing reliable...HKP-00248$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Complete Rear Stock
H&K Heckler & Koch
$0.00HK German HK21E, 23E Rear Stock Complete The latest manufacture and no longer in production or offered by HK Germany.HKP-00575$0.00 -
H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Internal Buffer With Break Springs
H&K Heckler & Koch
$17.95HK German G3, 91, PTR & HK 33, 93 Internal Buffer Brake Spring New HK German Brake Springs for the standard buffer found on the HK G3, 91, PTR & HK93, 33, 53 rear stocks. Compatible With: All standard A2 fixed stock buffersHKP-17424$17.95 -
H&K 91/G3 (7.62x51/.308) Complete Fixed Stock with Enhanced Heavy Buffer- Black - Surplus
H&K Heckler & Koch
$269.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...HKP-16269$269.95 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) Magazine Loader
H&K Heckler & Koch
$0.00HK Factory Loader for HK 91/G3 Magazines Compatible With: HK 91 magazines HK G3 magazines PTR-91 Magazines HK PSG1 magazines HK MSG-90 magazines HK 90 series 308 magazinesHKP-00221$0.00 -
H&K 93/53/33 (5.56/.223) Firing Pin
H&K Heckler & Koch
$69.95H&K 93, 53, & 33 (5.56/.223) Firing Pin This is the factory-correct HK German firing pin and is a great replacement part. This is also a great upgrade for your HK 223.556 clones. This part is no longer available from HK as this part is out of...HKP-00192$69.95 -
H&K A3 Parkerized Stock Protective Cover
H&K Heckler & Koch
$19.95H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33 and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place. The perfect replacement part for those that are...HKP-20649$19.95 -
H&K Extended Selector Lever - Burst 3 Position
H&K Heckler & Koch
$94.95H&K Extended Selector Lever - Burst 3 Position New HK ambidextrous left side EXTENDED (ESSL) 0,1,2 or 0,1,3 only burst selector lever for ambidextrous trigger packs or trigger groups. Will not fit SEF style trigger packs.HKP-16973$94.95 -
H&K G36/SL8 (5.56/.223) Barrel Retaining Nut
H&K Heckler & Koch
$29.95HK G36 & SL8 Barrel Retaining Nut - German HK Compatible With: SL8 (all models and variants) G36E G36K G36C All other G36 VariantsHKP-16341$29.95 -
H&K G36K Extended Handguard Picatinny Rail - Black
H&K Heckler & Koch
$149.95HK G36K German Factory Picatinny Extended Bottom Rail Fits all HK G36K newer style handguards with the rail attachment points. This is the full-length version for a full-length bottom rail for the G36K forearm. New HK German manufacture.HKP-01137$149.95 -
H&K HK 416, HK MR556 Folding Front Sight For Hanguard
H&K Heckler & Koch
$134.95Folding Front Sight - German - HK 416, MR556 Handguards German HK built in folding front sight for the forearms/handguards.HKP-19462$134.95 -
H&K HK 417/MR556 Pin Look Index
H&K Heckler & Koch
$6.95HK 417, MR556, & MR762 Pin Look IndexHKP-02639$6.95 -
H&K HK 45C LEM Complete Conversion Kit
H&K Heckler & Koch
$199.95New HK German HK 45 Compact LEM Conversion Kit Complete For All HK 45 Compact Pistols Use factory installed trigger return spring for the light LEM (4.5-5.5lb) and the supplied heavy trigger return spring for the heavy LEM conversion. This LEM conversion...HKP-01037$199.95 -
H&K HK G36, SL8 Red Dot Kit For Dual Optic
H&K Heckler & Koch
$899.95HK G36, SL8 Red Dot - Brand new HK German OEM Factory HK G36/SL8 top red dot brand new with factory battery installed. This is a top red dot section for the Red Dot. This can be used to replace worn or broke dual optics as well as it could be made...HKP-19552$899.95 -
H&K HK Mark 23 Safety Detent Spring
H&K Heckler & Koch
$7.95HK Mark 23 Safety Detent SpringHKP-01790$7.95 -
$11.99 -
H&K HK MP5K Slimline Forearm - Black
H&K Heckler & Koch
$49.95H&K HK MP5K Slimline Forearm - Black Used German military slimline forearm refinished in a black cerakote . Cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible...HKP-20275$49.95 -
H&K HK MR556/MR762 Tactical Sling Adapter
H&K Heckler & Koch
$130.00HK MR556 & MR762 Factory Sling Adapter - Swivel Style Factory HK German design. New HK manufactured part that allows the factory HK416 and MR762 slings to fit the MR556 and MR762 by providing the proper attachment point. This unit swivels...HKP-02507$130.00 -
H&K HK MR556/MR762/416/417 Stock Release Lever Pin
H&K Heckler & Koch
$6.95HK 416 & MR556 E1/E2 & HK 417, MR762 Stock Release Lever Pin Brand new factory German production. A must have spare part that should be replaced each time you remove or install the roll pin. Made in Germany.HKP-16860$6.95 -
H&K HK MR556/MR762/HK 416/417 Trigger
H&K Heckler & Koch
$189.95H&K HK MR556/MR762/HK 416/417 Trigger Made in Germany. Compatible With: HK MR556 HK MR762 HK 417 HK 416HKP-15210$189.95 -
H&K HK MR762 Bolt Group Complete DMR
H&K Heckler & Koch
$899.95H&K HK MR762 Bolt Group Complete DMRHKP-16627$899.95 -
H&K HK MR762 Bolt Head Carrier
H&K Heckler & Koch
$499.95H&K HK MR762 Bolt Head Carrier New HK German production.HKP-16626$499.95 -
H&K HK MR762/417 Axle Extractor Retaining Pin
H&K Heckler & Koch
$9.95H&K HK MR762/417 Axle Extractor Retaining Pin This extractor retaining pin is constructed of durable, black finished, steel and is an OEM factory original H&K component. This retaining pin is designed to fit the HK417 & MR762 model of rifles...HKP-16810$9.95 -
Out Of Stock
H&K HK P2000 .357 SIG Incomplete Slide - Black
H&K Heckler & Koch
$599.95HK P2000 .357 SIG Incomplete Slide - BlackHKP-02645$599.95 -
H&K HK P30 .40 Complete Recoil Assembly
H&K Heckler & Koch
$89.95HK P30 .40 Cal Recoil Rod Assembly Complete A genuine German Heckler & Koch part. New Factory Fresh HK parts help the pistol function as it was designed. Compatible With: HK P30 .40 cal.HKP-02437$89.95 -
H&K HK P30/P2000 Trigger Bar Detent
H&K Heckler & Koch
$16.95HK P30 & P2000 Trigger Bar Detent Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SK HK P30 HK P30L HK P30SKHKP-01798$16.95 -
H&K HK P30SK Left Side Grip Panel - Large - Black
H&K Heckler & Koch
$16.95Grip Panel, Left Side- Large - HK P30SKHKP-18075$16.95 -
H&K HK P7M13 9mm Barrel
H&K Heckler & Koch
$479.95H&K HK P7M13 9mm Barrel Brand new HK German P7M13 factory spare barrel. Cold hammer forged and the real deal. No longer made or available as all HK P7 parts are out of production. Compatible With: HK P7M13HKP-17907$479.95 -
H&K HK SL8, HK G36 Top Rail Screw
H&K Heckler & Koch
$14.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...HKP-16390$14.95 -
H&K HK USP .45 ACP Buffer Spring Retainer Roll Pin
H&K Heckler & Koch
$7.95HK USP .45 ACP Buffer Spring Retainer Roll PinHKP-02267$7.95 -
H&K HK USP .45 ACP Expert Barrel - Black
H&K Heckler & Koch
$399.95HK USP .45 ACP Expert Barrel - Black This barrel will fit all HK USP .45, full-size models. If you want a longer barrel for your HK USP 45 or USP 45 Tactical, this is a great option for an extended length or use with an HK Comp Weight.HKP-01525$399.95 -
H&K HK USP Series Front Sight 6.4mm
H&K Heckler & Koch
$21.95H&K HK USP Series Front Sight 6.4mm Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP HK USP Compact LEMHKP-16546$21.95 -
H&K HK USP Series Front Sight 7.4mm
H&K Heckler & Koch
$19.95H&K HK USP Series Front Sight 7.4mm Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP HK USP Compact LEMHKP-16548$19.95 -
H&K HK VP/P30/45 Front Sight 6.3mm - Red
H&K Heckler & Koch
$59.95Red Phosphorescent Front Sight - 6.3mm Compatible With: HK VP9, VP9SK & VP40 HK P30, P30L, P30SK HK45 & HK45 CompactHKP-18831$59.95