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
-
MKE 30 Round MP5 Magazine
MKE
$49.95HK MP5 30 Round Magazine - MKE These MKE MP5 30 round magazines are the perfect addition or replacement for your AP5 or MP5 pistol. The MKE magazine features the original MP5 design. Constructed of heat-treated steel for lasting...HKP-21184$49.95 -
HKP MP5 & HK94 Firing Pin Spring - Enhanced
HKP HK Parts
$4.95MP5 & HK94 Firing Pin Spring - Enhanced The "Enhanced" firing pin spring was analyzed and engineered from scratch with the latest in performance spring technology and an emphasis on reducing stress on the spring and increasing cycle life by 500%...HKP-02321$4.95 -
HKP Quick Detach Sling Attachment Sling Pin - Large
HKP HK Parts
$37.95HKP Quick Detach Sling Attachment Sling Pin - Large The large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the pushpin for...HKP-18070$37.95 -
HKP 9mm Vented Micro Comp - Threaded 13.5x1 LH
HKP HK Parts
$29.95HKP 9mm Vented Micro Comp - Threaded 13.5x1 LH The HK Parts Micro Comp & Thread Protector is designed to be lightweight and functional both as a compensator and thread protector. This light weight micro comp can easily attache to the end of any...HKP-19720$29.95 -
MKE HK MP5 Retractable Buttstock
MKE
$329.95MKE HK MP5 / AP5 Retractable Buttstock The missing piece to add the iconic appearance to your MP5-AP5 Clone. The collapsible design offers a custom length of pull for optimal comfort and control, while the easy-to-install mounting system offers...HKP-21183$329.95 -
H&K SEF Long Axle Selector Lever - Polymer Housing
H&K Heckler & Koch
$39.95H&K SEF Long Axle Selector Lever - Polymer Housing If you have a polymer SEF housing such as the contoured type with finger grooves or the SEF navy style grip frames as well as the 0,1 polymer housings this is the correct selector lever...HKP-00119$39.95 -
H&K HK USP Full Size 9mm/.40 Extended Floor Plate - Black
H&K Heckler & Koch
$25.00HK USP Full Size 9mm/.40 Extended Floor Plate - Black Each new HK German extended floor plate provides additional room for your pinky on the full-size USP 9mm or .40 pistol. An easy swap for your standard floorplate USP 9mm/40 magazines. Compatible...HKP-02478$25.00 -
HKP Roller +4 - New - 8.04mm
HKP HK Parts
$8.99Roller +4 - New - 8.04mm HK Parts Standard (8.04 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...HKP-19441$8.99 -
HKP Pistol Grip Parts Storage Holder
HKP HK Parts
$29.95HKP Pistol Grip Parts Storage Holder A must have item for storage of much needed 123 batteries for your gear such as optics, lasers, illuminators, etc. This HK grip plug will fit all Navy Style or Ambidextrous housings that have the holding tabs in the...HKP-16468$29.95 -
H&K 91/G3 (7.62x51/.308) Extractor
H&K Heckler & Koch
$13.95HK German HK G3, HK, 91 & PTR 91 .308 Extractor New HK German. The G3 is out of production and this small lot of new old stock extractors is available at the best price in the country. Fits all models of HK G3 style firearms and CETME's. Compatible...HKP-00495$13.95 -
H&K HK USP/USPC Magazine Spring
H&K Heckler & Koch
$8.95H&K HK USP & USPC Magazine Spring HK recommends that for optimum performance, one should change out the magazine springs during regular maintenance intervals or when keeping the pistol magazines loaded for long periods. Compatible With: HK USP...HKP-01425$8.95 -
MFI Snap Sling Hook 1.25"
MFI
$4.95HK Style 1.25" Snap Hook For Sling This sling hook is designed for wider 1.25" width slings. Made in the USA, and is great for HK sling projects and spares. We offer the 1" and the 1.25" sling hooks for all your HK projects.HKP-01523$4.95 -
On Sale
Glock 17 - 33 Round 9mm Magazine - Black
Glock
Now: $32.95Was: $36.95Glock 17 9mm - 33 Round Magazine - Black Factory OEM drop-free magazines for your Glock handgun. Glock magazines have a hardened steel insert encased in high-tech polymer. This polymer coating protects the magazine and prevents deformation, even when...HKP-00011Now: $32.95Was: $36.95 -
H&K HK Pistol Match Trigger Return Spring
H&K Heckler & Koch
$8.95HK Pistol Match Trigger Return Spring This is the TRS that is in the Match trigger kit. This spring works better with the SA/DA and is lighter than the standard trigger return spring. This is a great spare part to have on hand...HKP-02666$8.95 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED
H&K Heckler & Koch
$29.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED This grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers. This is truly an affordable upgrade for your...HKP-17354$29.95 -
HKP Cocking Tube End Cap-Aluminum
HKP HK Parts
$12.95H&K Cocking Tube End Cap-Aluminum - US Made Made from weight-saving aircraft-grade aluminum alloy. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerHKP-02806$12.95 -
HKP, H&K 17 Round HK Mark 23 / USP .45 ACP Complete Magazine - Black
H&K / HK Parts
$119.95Magazine Extension Complete - 17 Round - HK Mark 23/USP .45 Each mag comes fully assembled and ready for use. HK Parts takes an existing German HK 12 round mag coupled with the +5 mag extension and assembles them into a complete 17 round mag. What you...HKP-19465$119.95 -
Uzi Recoil Spring Assembly
IMI
$14.95Uzi Recoil Spring Assembly Uzi factory IMI bolt carrier spring assembly complete. In perfect working order. Pulled from exc condition demilled Uzi firearms.HKP-19918$14.95 -
Magpul HK MP5/SP5, HK94 SL Stock - Black
Magpul
$159.95Magpul - SL Stock - MP5, SP5 The Magpul SL Stock HK94/MP5, SP5 delivers the modern qualities found in our original MOE SL® carbine stock for AR15/M4 carbines to MP5-pattern rifles. Durable, lightweight, and collapsible, the SL incorporates Magpul...HKP-20023$159.95 -
On Sale
H&K HK Black Ripstop Hat - Black
H&K Heckler & Koch
Now: $8.99Was: $11.95Factory HK Black Ripstop Hat with Red Logo HK ripstop hats are lightweight with a modern tech look that's simple but sporty. Available in three colors: Black, Tan, and OD Green. Black Hat - Red trim with red embroidered HK logo Adjustable Velcro BackHKP-13905Now: $8.99Was: $11.95 -
MP5, 94, HK53, 51 M-LOK Handguard
HKP HK Parts
$108.95HK MP5, 94, HK53, 51 Low Profile Forearm M-LOK WHILE SUPPLIES LAST! The MLOK tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts...HKP-17148$108.95 -
UTG HK MP5 PRO Handguard with Extended Upper Picatinny Mount - Black
UTG
$199.97 - $454.95UTG HK MP5 PRO Handguard with Extended Upper Picatinny Mount - Black Made in the USA. Compatible With: HK MP5 HK94 SP5 AP5 MP5 clones that do not have a weld-on optics rail. Please Note: This does NOT fit the MP5 .22LR models.HKP-20739-M$199.97 - $454.95 -
GSG 22 Round GSG-5 .22LR Magazine Spring
GSG German Sports Guns
$4.95GSG 22 Round GSG-5 .22LR Magazine Spring A must-have replacement spare part as the mags are used or stored. Perfect for those who have weak feeding Promag GSG mags, as these mag springs will help get the mags running as they should. Compatible...HKP-14548$4.95 -
AC-Unity HK Cheek Piece - Black
AC-Unity Magazines and Parts
$39.95AC-Unity HK Cheek Piece - Black New production HK cheek piece for your fixed stock on your G3, HK91, PTR91, HK33, HK94, MP5 or HK94 rifle. Works on all HK style fixed stocks that have push pin retainer bushings in the stock. This will give you the proper...HKP-20153$39.95 -
H&K 13 Round HK USP Full Size .40 S&W Magazine - Black
H&K Heckler & Koch
$49.00HK German USP 40 Full-Size Magazine Compatible With: USP .40 Full Size USP .40 Tactical USP .40 Elite/Expert Please Note: The Magazine does not fit USP Compact or P2000 modelsHKP-00309$49.00 -
HKP HK USP45, Mark 23 +5 Magazine Extension
HKP HK Parts
$49.95Magazine Extension - +5 - HK USP45 & Mark 23 Super easy to install, simply add the mag extension to your existing mag body and follower. An easy 2 min swap. No gunsmithing needed. Made in the USA out of aircraft grade hard coat anodized aluminum...HKP-19493-M$49.95 -
H&K 91/G3 (7.62x51/.308) Recoil Spring
H&K Heckler & Koch
$7.95HK German G3, 91, PTR Recoil Spring Best price in the country, on a new German HK factory recoil spring. No surplus or used springs here. Factory-fresh and HK German. Stock up at this price you can afford to keep a few as spares, why buy surplus springs...HKP-00360$7.95 -
HKP MP5SD Sealing Ring - Enhanced
HKP HK Parts
$9.95HKP MP5SD Sealing Ring - Enhanced The enhanced sealing ring is made from a newer, longer-lasting material as well as having a slightly thicker profile for secure sealing. The MP5SD sealing ring is the gasket that seals the SD suppressor against the...HKP-18053$9.95 -
Bill Springfield HK 91 Improved Buffer System
Bill Springfield
$79.95HK Improved Buffer System - HK91 Bill Springfield developed a new piston and spring assembly that reduces the felt recoil up to 30% on any HK or clone utilizing the standard assembly. This piston is 2x longer than stock, the spring is about 25% lighter...HKP-19914$79.95 -
HKP Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced
HKP HK Parts
$2.39HKP Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced New enhanced material for greater longevity and durability. Our US made recoil rod guides are the made from the strongest most durable material available much better than the basic nylon as...HKP-17829$2.39 -
MI HK MP5K/SP5K M-LOK Handguard - Black
MI Midwest Industries
$114.95M-LOK Handgaurd for MP5K, SP5K, SP89 Firearms Features: Made in the USA, 922r Compliant Professional grade one-piece design Simple installation, includes all tools Mil-spec top rail Extremely lightweight design weighs only 2.6 oz with hardware Slim 1.6...HKP-18438$114.95 -
HKP HK UMP (.45 ACP) 15 Round Magazine
HKP HK Parts
$49.95UMP, SMG .45 ACP 15 Round Magazine - USA Compact 15 round magazine will fit all HK UMP .45 caliber carbines, SMG's as well as the USC-UMP .45 caliber converted firearms. Each magazine features, steel feed lips, and robust polymer construction. Each mag...HKP-17585$49.95 -
RCM HK MP5/SP5 #27/90 Degree Locking Plate
RCM
$34.95RCM HK MP5/SP5 #27/90 Degree Locking Plate Machined and properly heat treated from ordnance grade steel. A must have component for users running a suppressed set up or cycling a variety of ammunition. This will assist with fine-tuning pistol...HKP-21334$34.95 -
HKP HK Pistol Grip Parts Storage Holder
HKP HK Parts
$29.95HK Pistol Grip Parts Storage Holder - SEF & Ambidextrous Housings A must-have item for storage, it doesn't have a battery compartment to maximize storage. This HK grip plug will fit all SEF or Ambidextrous housings that have the holding tabs in the...HKP-19452$29.95 -
H&K MP5 & MP5K 9mm Dual Magazine Clamp
H&K Heckler & Koch
$149.95HK German MP5 & SP5 Or MP5K & SP5K 9mm Dual Magazine Clamp Allows the user to clamp two magazines together allowing users to quick swap their magazines. Great for competition shooting or swapping back and forth between different types of...HKP-00083$149.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Folding Stock
H&K Heckler & Koch
$138.95HK German UMP Folding Buttstock Brand new German HK folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). All UMP folding stocks come with an HK date code. Compatible With: HK UMP .45 HK UMP .40 HK UMP 9mm HK...HKP-00252$138.95 -
H&K MP5 & HK94 Firing Pin Spring
H&K Heckler & Koch
$9.95HK German MP5 & HK94 Firing Pin Spring Fits all of the MP5, SP5, SP5K, MP5K 9mm and 40/10 Variants including MP5, 94 clones.The firing pin is one of the most common repair and replacement items. Compatible With: MP5 SP5 SP5K MP5K 9mm & 40/10...HKP-00062$9.95 -
HKP HK VP9 & VP40 EDC Tactical Magwell
HKP HK Parts
$59.95HKP HK VP9 & VP40 EDC Tactical Magwell Our newest and greatest EDC magwell was redesigned for a much faster and reliable mag reloads. With a much greater funneled area it guides you to the correct position every time resulting in a no-look magazine...HKP-20331-M$59.95 -
Walther 20 Round HK 416/Colt M4 .22LR Magazine - Black
Umarex / Walther
$35.00HK, Umarex, Walther, HK416 .22LR Magazine - 20 Round Magazine Each magazine is the factory OEM magazine for all of the models above. Brand new factory fresh. This magazine is the perfect balance of magazine capacity size and fitment to the firearm...HKP-01748$35.00 -
Botach Tactial Battle Steel HK Mount for Aimpoint, HoloSun, Sig Romeo 5
Botach Tactical
$59.95Battle Steel HK Mount for Aimpoint, HoloSun, & Sig Romeo 5 The lowest mounting solution for HK MP5/HK33/HK53 firearms for the Aimpoint T-1/T-2 mounting style optics. Delivers an absolute co-witness for all Aimpoint Micro, Sig Romeo 5, & HoloSun...HKP-19529$59.95