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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
H&K Central Buttstock Section - HK Green
H&K Heckler & Koch
$34.95H&K Central Buttstock Section - HK Green This stock section is no longer being manufactured as the HKG3, HK91 are out of production. These may be the last stock sections we will be getting. PLEASE NOTE: These units have handling marks and the price...HKP-16987$34.95 -
H&K G36/SL8 (5.56/.223) Firing Pin Retaining Pin
H&K Heckler & Koch
$10.95H&K G36/SL8 (5.56/.223) Firing Pin Retaining Pin Compatible With: HK G36 HK SL8HKP-02469$10.95 -
H&K HK 416/MR556 Commercial Factory German E2 Rear Stock - Black
H&K Heckler & Koch
$249.95HK 416, MR556 Factory German E2 Rear Stock - Commercial HK German Stock For All HK 416, MR556 Rifles The HKE2 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons and has the concave style removable buttpad installed...HKP-18360$249.95 -
Out Of Stock
H&K HK G36, HK UMP, HK USC, HK SL8 Lower Compression Spring
H&K Heckler & Koch
$7.95HK G36, SL8, USC, & UMP Compression Spring For Index Plate - LowerHKP-01865$7.95 -
H&K HK G36/SL8 Sling Pin Forearm Retaining Clip
H&K Heckler & Koch
$8.95HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory ForearmHKP-16366$8.95 -
H&K HK G36C Incomplete Gas Piston Rod - Black
H&K Heckler & Koch
$49.95H&K HK G36C Incomplete Gas Piston Rod - Black A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part.HKP-17009$49.95 -
H&K HK Mark 23 7.1mm +4 Rear Sight
H&K Heckler & Koch
$44.95HK Mark 23 Rear Sight - 7.1mm 7.1mm - +4mm Each (+) raises the POI by 2", each (-) lowers it by 2". Other Rear Sight heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+2) 7.1mm (+4) 7.5mm (+6)HKP-16651$44.95 -
H&K HK MP5 4 Position Retractable Buttstock - RAL 8K
H&K Heckler & Koch
$594.95HK German MP5 & HK SP5 A3 "F" Style Retractable Rear Stock - 4 Position - RAL 8K This German HK A3 retractable is the latest & greatest HK retractable German stock available. Now in the desirable RAL 8000 color. The F stock is designed to take...HKP-21265$594.95 -
H&K HK MR556/416 Forward Assist Assembly
H&K Heckler & Koch
$68.95HK 416, MR556 Forward Assist Assembly H&K Germany factory MR556 & HK416 forward assist assembly complete. Compatible With: HK 416 HK MR556HKP-16528$68.95 -
$9.95 -
H&K HK MR762/417 Magazine Catch Retainer Ring
H&K Heckler & Koch
$10.95H&K HK MR762/417 Magazine Catch Retainer RingHKP-16521$10.95 -
Out Of Stock
H&K HK MR762/417/G28 Gas Block
H&K Heckler & Koch
$199.95HK German MR762 Gas Block New German HK manufacture for the HK MR762 & HK417, G28 firearm. This unit comes without the sling loops installed.HKP-17259$199.95 -
H&K HK SL8-1 Countersunk Top Rail Head Screw
H&K Heckler & Koch
$9.95H&K HK SL8-1 Countersunk Top Rail Head ScrewHKP-16347$9.95 -
H&K HK USP/45/P2000 Sear Axle
H&K Heckler & Koch
$9.95Sear Axle 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 LEM HK45 HK45 Compact HK P2000 9mm HK P2000 .40 S&W HK P2000 .357...HKP-01251$9.95 -
H&K HK USPC/P30/45C Recoil Spring Washer Retainer
H&K Heckler & Koch
$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 HK45CHKP-01594$9.95 -
H&K HK VP9, HK VP40 Grip Panel Right Side - Large - Black
H&K Heckler & Koch
$25.00H&K HK VP9, HK VP40 Grip Panel Right Side - Large - Black New HK German manufactured. Left side, medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible With: HK VP9 HK VP40HKP-16812$25.00 -
H&K HK VP9, HK VP40 Grip Panel Right Side - Large - Gray
H&K Heckler & Koch
$19.95H&K HK VP9, HK VP40 Grip Panel Right Side - Large - Gray New HK German manufactured. Right side, large size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-18124$19.95 -
H&K HK VP9, HK VP40 Grip Panel Right Side - Small - Black
H&K Heckler & Koch
$20.99H&K HK VP9, HK VP40 Grip Panel Right Side - Small - Black New HK German manufactured. Left side, medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible With: HK VP9 HK VP40HKP-16811$20.99 -
H&K HK VP9/VP9SK, HK VP40 Drop Safety
H&K Heckler & Koch
$56.95H&K HK VP9/VP9SK, HK VP40 Drop SafetyHKP-16836$56.95 -
H&K HK VP9SK Left Side Grip Panel - Large - Black
H&K Heckler & Koch
$9.95H&K HK VP9SK Left Side Grip Panel - Large - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18300$9.95 -
H&K HK VP9SK Right Side Grip Panel - Small - OD Green
H&K Heckler & Koch
$9.95H&K HK VP9SK Right Side Grip Panel - Small - OD Green New HK German manufactured. Right side small Size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18956$9.95 -
H&K HK21/FMP Drum Hanger & 100rd Drum
H&K Heckler & Koch
$1,288.95H&K HK21/FMP Drum Hanger & 100rd Drum Complete your HK21 or FMP21 build with the incredibly rare original H&K drum hanger and 100-round drum. These components have long been discontinued and are essential for completing a proper HK21 or...HKP-21509$1,288.95 -
H&K HK33 Pistol Parts Kit w/ Flat & Weldment Set
H&K Heckler & Koch
$1,988.95HK 33 pistol Build Kit Complete German & US Parts- Limited Supply! Heckler & Koch German-manufactured parts kit issued to the Malaysian Army. Demilled and prepared per BATF specifications. These are the last parts kits available we are told there...HKP-19731$1,988.95 -
H&K HKVP9SK, HK VP40SK Back Strap - Small - Black
H&K Heckler & Koch
$29.95H&K HKVP9SK, HK VP40SK Back Strap - Small - Black New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18306$29.95 -
H&K MP5 40/10 Flash hider - 3-Lug
H&K Heckler & Koch
$199.99H&K MP5 40/10 Flash hider - 3-Lug Fits all factory in-spec 3 Lug MP5 40/10 Barrels. Specifications: Made In Germany 3-Lug Compatible With: HK MP5HKP-00442$199.99 -
H&K MP5 9mm Parts Kit 100% German - A2 Stock & FBI Lower
H&K Heckler & Koch
$2,299.95HK German MP5 9mm Used Parts Kit Complete MP5 Parts Kit - 9mm (Minus Receiver) All MP5 Kits: 100% German Parts HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto Two small and one...HKP-01911$2,299.95 -
H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE
H&K Heckler & Koch
$4,499.00H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE All German HK MP5 Navy parts kit with 3 lug and threaded barrel, Action 3 bolt group, A3 retractable stock, 3 position navy lower, one 30 round curved...HKP-15172$4,499.00 -
H&K MP5/SP5K Rear Sight Set Complete-Used
H&K Heckler & Koch
$109.95HK German MP5 & HK94 Rear Sight Set Complete - Used Taken from de-milled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly. In some cases, we have replaced the rear sight drum with a brand-new German...HKP-00671$109.95 -
H&K MP5F & MP5 40,10 Cocking Handle
H&K Heckler & Koch
$85.99H&K MP5F & MP5 40,10 Cocking Handle New HK German factory correct cocking handle. Each unit is to be used with the correct 40/10 or F-style cocking handle support and cocking tube. Compatible With: MP5 40 MP5 10mm MP5 .357 MP5 9X25 Dillon MP5 FHKP-00098$85.99 -
Out Of Stock
H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin This HK German MP5K FBI style (0,1) trigger housing is designed for push pin type receivers. It is compatible with all HK German ambidextrous trigger packs and...HKP-16057$0.00 -
Out Of Stock
H&K MP5K/SP89/SP5K 9mm Incomplete End Cap
H&K Heckler & Koch
$0.00HK Factory German MP5K, SP-89, SP5K End Cap - Incomplete Each pistol end cap is OEM HK German MP5K, MP5K-N, SP5K, SP89 stripped end cap. Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K clones or other custom buildsHKP-18208$0.00 -
H&K SG1 Stock Rear Spacer Tube
H&K Heckler & Koch
$27.95H&K SG1 Stock Rear Spacer Tube This is the longer of the two bars that goes towards the rear of the stock. No longer in production.HKP-16986$27.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Left
H&K Heckler & Koch
$9.95HK UMP & USC - Left Side Hammer Spring For All Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With: HK UMP models 45, .40, & 9mm. USC .45 and other conversion...HKP-01898$9.95 -
H&K Universal Harris Bipod Adapter
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...HKP-01852$199.95 -
H&K VP9SK, VP40SK Back Strap - Medium - FDE
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Back Strap - Medium - FDE New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18581$29.95 -
H&K VP9SK, VP40SK Back Strap - Small - OD Green
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Back Strap - Small - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18971$29.95 -
HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin
HDPS
$39.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin This sling pin will replace the current production stock Block B hardware and upgrade to the Sling Pin Pull Style version.HKP-16339$39.95 -
Hi-Viz HK P7M8/P7M10/P7M13 Fiber Optic Sight Set
Hi-Viz
$59.95Hi-Viz HK P7M8/P7M10/P7M13 Fiber Optic Sight Set This HK-P7 has a green rear sight and an interchangeable front sight included. It includes a rotating carry case and Litepipes in red and green. The front sight will fit ALL P7 & PSP models. The rear...HKP-16937$59.95 -
HK VP9SK Warrior Holster OWB LH - Black
Comp-Tac
$74.95HK VP9SK Warrior Holster OWB LH - Black The Warrior Holster design offers a stealth footprint, outside the waistband carry that is perfect for OWB concealment. Easily accessible, designed for a smooth, fast draw the Warrior's close-fitting footprint can...hkp-18719$74.95 -
HKP (5.56/.223) Bore Cleaning Brush
HKP HK Parts
$1.95Bore Cleaning Brush For .223/556 This item is ideal to have on hand for cleaning the bore of the barrel. This item is highly recommended for cleaning.HKP-03331$1.95