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, 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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H&K 12 Round HK Mark 23 Floor Plate - Black
H&K Heckler & Koch
$8.95HK Mark 23 12 Round Magazine Floor Plate A great item to have on hand as the floor plates can become cracked and broken with use and time. Compatible With: Mark 23 12 round mags SOCOM Mark 23 12 round magsHKP-01196$8.95 -
H&K HK SL8, HK G36 Extended Mag Release
H&K Heckler & Koch
$49.95HK Sl8 & G36 Oversized Extended Mag ReleaseNew HK German Sl8, G36, HK243 extended magazine release. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK extended magazine release is a drop in replacement and requires zero...HKP-17720$49.95 -
H&K HK VP9 Long Slide Optics Ready Complete Slide Kit
H&K Heckler & Koch
$489.95H&K HK VP9 Long Slide Optics Ready Complete Slide Kit New HK German VP9LOR slide kit to upgrade any existing VP9 model to the VP9L OR. This kit is a drop on replacement that come with everything you need to swap your existing slide to the this...HKP-19836$489.95 -
HKP HK VP9/VP9SK, VP40 Enhanced Support Sleeve - Blue
HKP HK Parts
$14.96Enhanced Support Sleeve VP9, VP9SK & VP40 - Aluminum Alloy - BlueA must have upgrade part for the VP series of pistols!The support sleeve is found in the VP slide and is the part that depresses to allow you to remove the slide plate, firing pin...HKP-18690$14.96 -
HKP HK VP9SK Stainless Steel Complete Recoil Assembly - Black
HKP HK Parts
$39.95HK VP9SK Recoil Spring Assembly - All Stainless SteelOur SS guide rods are made from the highest quality 304 stainless steel and machined to exact factory specifications. Our rods will work with both factory and aftermarket recoil springs. Stainless...HKP-18660$39.95 -
Magpul 50 Round HK MP5, MP5K PMAG D-50 Drum
Magpul
$124.95Magpul - PMAG D-50 - MP5, SP5, Mp5K, SP5K Lightweight but incredibly strong, our PMAG D-50 MP is a highly reliable, 9x19mm Parabellum, 50-round drum magazine for HK94/MP5 large-format pistols and pistol caliber carbines. The PMAG D-50 MP boasts many of...HKP-19536$124.95 -
GSG 22 Round GSG-5/GSG-16 .22LR Magazine - Black
GSG German Sports Guns
$29.95GSG 22 Round GSG-5/GSG-16 .22LR Magazine - Black The GSG magazine is a standard factory replacement magazine. The magazine is made from high-quality polymer and features a matte finish. The most important aspect of this magazine is the fact that it is...HKP-00794$29.95 -
H&K HK G3, HK 91, PTR Wood Stock
H&K Heckler & Koch
$199.95Wood Stock - Used - Excellent Shape - HK G3, 91, PTREach stock includes: Metal Backplate With Recoil Spring Installed Buffer Assembly Complete Wood Stock Section With ButtpadComplete rear stock for HK91/G3, PTR. These stock sets were in use with the...HKP-19275$199.95 -
HKP HK 91/G3 (7.62x51 / .308) Stock Set - O.D. Green - Surplus
HKP HK Parts
$24.95Original German Army Used Surplus G3, 91, PTR OD Green Stock Set Factory HK German Production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC. A great stock set and...HKP-16332$24.95 -
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 -
UTG Picatinney Scope Rail For HK Claw Mount
UTG
$14.95HK Claw Mount To Picatinny Style Rail This part allows all STANAG style scopes to accept the universal Picatinny style rail. Each rail adapter comes with rail and mounting hardware. This part adds 6 1/8 inches of rail space to the top of your claw mount...HKP-02042$14.95 -
Comp-Tac HK VP9/P30/45 L Line RH Holster for Lights/Lasers - Black
Comp-Tac
$85.95The L Line Holster- A Multi-Fit Solution for Firearms with Light or Laser Attachments Holster Features: Modular Design Allows One Holster to be Used with Multiple Firearms and Lights, Saving Money Adjustable mounting clips can be either 1.75" or 1...HKP-18825$85.95 -
H&K HK MR762/417/G28 Adjustable Buttstock Set - Black
H&K Heckler & Koch
$599.95HK G28 Fully Adjustable Stock For The MR762 & HK 417, G28 - Black The hard to find elusive HK G28 adjustable stock kit complete with the upgraded parts needed to convert a stock MR762 or HK417 to allow this stock system to be used. New HK...HKP-16761$599.95 -
H&K HK VP9, HK VP40 Half Shell Spring Washer - Black
H&K Heckler & Koch
$4.95VP9, VP9SK & VP40 Spring Washer Half Shell 2 Units Needed For Complete Set. Brand new factory German HKThis item is the item that cradles the firing pin and is covered by the firing pin sleeve and spring assembly.HKP-16832$4.95 -
Out Of Stock
H&K VP9/VP9SK, VP40 Slide Release Pressure Spring
H&K Heckler & Koch
$4.95Pressure Spring For Slide Release HK VP9, HK VP40 HK VP9 HK VP9SK HK VP40HKP-16788$4.95 -
HK Contract 3 Point Sling - OD Green
H&K Heckler & Koch
$52.95HK contract 3 point sling NIW. This is the best valued HK 3 point sling available for the HK 90 series of firearms. HK Green in color.HKP-19184$52.95 -
HKP Front Sight Blade
HKP HK Parts
$3.95New US manufactured HK Front Sight Blade. Fits ALL HK Front Sight Towers/Triple Frames. New US Made.HKP-17551$3.95 -
HKP HK MR556/416 Handguard Rail System Hex Screw
HKP HK Parts
$9.95HK416, MR556 Replacement Handguard Rail Screw - Hex- Stainless SteelHex head replacement handguard retension screw for your HK416, MR556 forearm. Made in the USA from 17-4 SS with a 5mm hex head for ease and use when installing and taking off the...HKP-17657$9.95 -
On Sale
HKP HK P30/P30S Gen 2 Rail Mount Compensator - Black - Blemished
HKP HK Parts
Now: $134.95Was: $179.95HKP HK P30/P30S Gen 2 Rail Mount Compensator - Black - Blemished THIS IS A BLEMISHED ITEM THAT IS COSMETIC ONLY. THIS ITEM IS SOLD AS IS AND NOT ELIGIBLE FOR A RETURN. Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. It has a...HKP-20986-BNow: $134.95Was: $179.95 -
Choate MP5 & HK94 Folding Stock
Choate
$214.95Choate MP5 & HK94 Folding Stock Each stock features the same quick open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you will never have to use...HKP-00171$214.95 -
H&K HK .40 O-ring for Barrel - Green
H&K Heckler & Koch
$4.95HK German .40 Cal Barrel O-ring Get them while you can, as they are no longer made in green and are only offered while supplies last. The green o-rings were first used on the older HK pistols. Made from the same material as the...HKP-01985$4.95 -
H&K HK USP/USP Tactical Threaded Barrel - Black
H&K Heckler & Koch
$310.99HK USP .45 Tactical Threaded Barrel - 16 X 1 Left-Hand Threaded HK USP 45 German factory threaded barrel for use with flash hiders or sound suppressors. This is a drop in barrel for any of the HK USP .45 pistols. No gunsmith is required as this is an...HKP-00319$310.99 -
HKP Semi Elbow Spring For Trigger Pack - Match Grade
HKP HK Parts
$3.74Match Grade Semi Auto Spacer Elbow Spring - USAManufactured using the best isolated oil tempered, select spring steel available for match grade performance and the utmost longevity. For use on all HK semi auto trigger packs. A must have for those...HKP-18002$3.74 -
PTR HK Mil-Spec AR Stock Adapter & Buffer Tube
PTR
$124.95AR15 to HK 90 series Stock adapter for AR15 stocks that includes the Milspec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle or SBR build. With the adapter you can use your existing metal backplate, standard...HKP-16583$124.95 -
H&K HK USP/USP Tactical Match Trigger Conversion Kit
H&K Heckler & Koch
$189.95H&K HK USP/USP Tactical Match Trigger Conversion Kit The HK USP Match Trigger Kit is a true drop-in kit for USP full-size pistols. This will fit all of the HK German USP 9mm, 40 & .45 Cal pistols. The match trigger kit will adjust the trigger...HKP-01039$189.95 -
On Sale
Russian GP5 Gas Mask Kit, New - Soviet Military
Now: $13.95Was: $19.95Russian GP5 Gas Mask Kit, New - Soviet Military New Soviet civil guard gas mask kit. Civil guard kits are the same as Russian military GP5 gas masks but have a grey mask instead of military black. This type of gas mask was stored by the Soviets for the...HKP-20218Now: $13.95Was: $19.95 -
H&K HK USP Jet Funnel Kit - Black
H&K Heckler & Koch
$99.95H&K HK USP Jet Funnel Kit - Black Brand new factory HK German Jet Funnel kit for the HK USP 9mm and USP .40 full-size pistols. Easy to install, no gunsmithing, or modifications needed. Compatible with all Jet Funnel magazines. A must-have if you plan...HKP-00306$99.95 -
H&K HK VP9/45/P Series Extractor Spring
H&K Heckler & Koch
$8.95HK 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 VP9SKHKP-01501$8.95 -
H&K Small Push Pin Replacement Spring
H&K Heckler & Koch
$1.95Replacement Spring for HK style push pin - Small A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in...HKP-20368$1.95 -
HKP +2 HK 45C Finger Rest Magazine Extension - Black
HKP HK Parts
$29.95HK45C 8 Round Magazine +2 Magazine Extension/Finger RestAll of the HK .45 cal mags will soon have a variety of mag extensions! More to come.New product. HK45C 8 round +2 mag extensions. Replaces the floorplate for a +2 round addition for a total of 10...HKP-17999$29.95 -
HKP 91/93/33/G3 (7.62x51 / .308) Enhanced HK Buffer For HK German MSG90 & PSG1
HKP HK Parts
$129.95HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.HKP-01014$129.95 -
HKP HK 9mm 13.5 x 1 Enhanced Thread Protector
HKP HK Parts
$24.95HKP HK 9mm 13.5 x 1 Enhanced Thread Protector Titanium manufactured enhanced thread protector in 13.5 X 1 LH for use with all threaded barrels. This unique design will fit over and protect the crown of your barrel for added protection...HKP-19497$24.95 -
HKP Picatinny Rail For HK Receivers - 17 Slot
HKP HK Parts
$69.95HKP Picatinny Rail For HK Receivers - 17 Slot Mil-Spec all steel Picatinny rail in the white. Relief cut for HK receivers and made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...HKP-01446$69.95 -
On Sale
HKP+5 HK USP/Tactical 9mm Magazine Extension
HKP HK Parts
$37.46 - $49.95HK Magazine Extension +5 Capacity For - USP 9mm Full Size & USP 9mm Tactical Made in the USA out of aircraft grade hard coat anodized aluminum & steel hardware. Ultra low profile & rock solid. With the addition of the +5 mag extension the...HKP-21109-M$37.46 - $49.95 -
90 Series Barrel Pin Jig
HKP HK Parts
$119.9590 Series Barrel Pin Jig This is the perfect jig for the installation and removal of barrel pins found in all HK 90 series rifles and pistols. This jig set is a companion set for those who have flat-bending jigs and other...HKP-08928$119.95 -
B&T MP5-SD CHF Barrel
B&T Brugger & Thomet
$449.95B&T MP5-SD CHF Barrel New from B&T Switzerland, cold hammer forged (CHF), properly factory specification fluted, ported & nitrided MP5SD barrels manufactured exclusively for MP5's. The firearms community has long known of the close...HKP-17957$449.95 -
Choate MP5K/SP89/SP5K 9mm Tactical Folding Stock
Choate
$229.95HK SP5K Folding Tactical Stock Compatible With: MP5K D54K SP5K SP89 Zenith Z-5P/Z-5K & in-spec clonesHKP-00781$229.95 -
H&K German Recoil Guide Rod Rivet-New
H&K Heckler & Koch
$4.95H&K German Recoil Guide Rod Rivet -New This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5,...HKP-01026$4.95 -
H&K HK 93, 53, MP5, G3 S,U,O Contract Housing - Used
H&K Heckler & Koch
$29.95H&K HK 93, 53, MP5, G3 S,U,O Contract Housing - Used Compatible With: MP5 HK93 HK53 G3 G3KHKP-19912$29.95 -
HKP 18 Round HK P2000/USPC Complete 9mm Magazine - Black
H&K / HK Parts
$79.95HK P2000 +5 magazine extension coupled with a new full-size HK P2000, 13 round magazine. Each unit is then fully assembled as an 18 round HK P2000 magazine. Ideal for competitive shooters, concealed carry or for everyday use while at the range. Each...HKP-18662$79.95