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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H&K MP5K Replacement Buffer For Factory End Cap or Folding Stock
H&K Heckler & Koch
$24.95H&K MP5K Replacement Buffer for Factory End Cap or Folding Stock This item is a Heckler & Koch Genuine Part, used to replace the factory HK buffer on MP5K folding stocks and end caps. This is only usable on the factory OEM stock and end cap. This...HKP-01233$24.95 -
H&K SL8 (5.56/.223) Adjusting Dual and Single Optic Screw
H&K Heckler & Koch
$14.95HK SL8 Dual and Single Adjusting Optic ScrewHKP-16387$14.95 -
H&K SP5K, MP5K Reverse Stretch Cocking Tube Support Spring
H&K Heckler & Koch
$6.95H&K SP5K, MP5K Reverse Stretch Cocking Tube Support Spring A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable to the detent to lock into...HKP-17873$6.95 -
H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Complete
H&K Heckler & Koch
$68.95HK German Hand Stop Unit Complete This unit is compatible with any of the USC/UMP or the G36K or G36C handguards.HKP-00596$68.95 -
Out Of Stock
HK MR556, 416 & AR15, M4 Stock - PDWC - Extended Buttpad
HKP HK Parts
$0.00HK 416C Style With Extended Buttpad - PDW Stock For AR15, MR556, HK416 & M4 Models The first PDW style stock that does NOT require a proprietary bolt carrier or special components. A true drop-in PDW stock solution for your HK 416C or AR/M4 PDW...HKP-17800$0.00 -
Out Of StockSale
HKP 27 Round HK VP9, HK P30 9mm Complete Magazine - Cerakote
HKP HK Parts
Now: $79.95Was: $99.9527 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 - Cerakote HKPARTS +10 alloy magazine extension coupled with an HK 17 round factory German magazine adds 10 additional rounds total for a fully assembled 27 round HK VP9/P30 magazine. Ideal...HKP-21227Now: $79.95Was: $99.95 -
HKP 93/33 (5.56/.223) M-LOK Handguard
HKP HK Parts
$139.95HK93, 33 & PTR Low Profile Forearm M-LOK The M-LOK 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 with your shooting...HKP-17263$139.95 -
HKP G3/33/91/93 Bipod Replacement Feet Set - Steel
HKP HK Parts
$18.95HKP G3/33/91/93 Bipod Replacement Feet - Set of Two (2) Replacement feet set for original H&K bipods. Our replacement feet are suitable to replace both steel and plastic feet in factory HK bipods. Each kit includes a left and right bipod foot...HKP-21310$18.95 -
HKP HK MP5 Aimpoint ACRO Sight - Extended
HKP HK Parts
$119.95HKP - HK MP5 Optic Mount - ACRO - Extended HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Extended design with a direct Aimpoint ACRO mounting interface. Our ACRO mounts provides an unobstructed view of the...HKP-21484$119.95 -
Sale
HKP HK VP9, VP40 Competition Magwell Extension
HKP HK Parts
Now: $65.95Was: $129.95HKP HK VP9, VP40 Competition Magwell Extension Our 2-piece, steel insert competition VP9/VP40 extended flared mag well is CNC made from heat treated 4140 billet nitrided steel. The upper portion of the mag well is machined from aircraft-grade aluminum...HKP-21079-MNow: $65.95Was: $129.95 -
HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - OD Green
HKP HK Parts
$29.95HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - OD Green HK VP9, VP40 Alloy Slide Plate. A direct replacement for the cheap plastic slide plate that comes stock with your HK VP9, VP40. A great way to dress up and enhance your HK VP9, VP40 pistol. Made...HKP-18669$29.95 -
HKP MP5F & MP5 40,10 Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced
HKP HK Parts
$3.95HKP MP5F & MP5 40,10 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...HKP-17835$3.95 -
Magpul 25 Round PMAG M3 Magazine - 7.62x51/.308
Magpul
$24.95Magpul PMAG 25-LR 25-Round 7.62 NATO The 7.62x51 NATO (.308 Winchester) PMAG 25LR is a cost effective high reliability magazine for SR25/M110 pattern rifles featuring true 25-round capacity, constant-curve body, and snap on Impact/Dust Cover. Designed...HKP-16908$24.95 -
Magpul RSA - Rail Sling Attachment
Magpul
$29.95Magpul RSA - Rail Sling Attachment Attaches to Picatinny rails for an additional point of attachment for slings.HKP-02423$29.95 -
Magpul/HKP HK MP5 ACR Stock
Magpul
$599.95HK MP5 ACR Stock: Our new aircraft grade aluminum MP5 ACR adapter is now offered in this combo stock unit. Pre installed and ready to drop in. With this MP5 ACR combo stock you will add the capability of an adjustable cheek rest and length of pull. With...HKP-21370-M$599.95 -
Meprolight HK USPC Tru-Dot Night Sights - Orange/Green
Meprolight
$97.95Meprolight HK USPC Tru-Dot Night Sights - Orange/Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to the...HKP-01909$97.95 -
POF HK G3, 91, PTR SlimLine Hand Guard
POF
$19.95New Slim Line HK91, G3, PTR Forearm - POF Each forearm is a new HK contract POF offering. Black in color, no internal heat shield. This item is the standard HK G3, 91 length forearm for use on full size HK G3, 91, PTR rifles. Compatible With: HK 91 HK...HKP-19560$19.95 -
PTR Tactical Rail - 4"
PTR
$12.954" Tactical Rail For HK PTR Hanguards Fits All US made PTR tactical forearms & handguards such as the full size rifles and the PDW pistol. Includes the mounting hardware (4 screws)HKP-02528$12.95 -
Streamlight HK USP TLR-4 Light & Laser - Red
Streamlight
$219.95Streamlight HK USP TLR-4 Light & Laser - Red Features: White LED with Red Laser Ambidextrous momentary/steady On-Off switch One-handed snap-on and tighten interface keeps hands away from the muzzle when attaching/detaching Securely fits a broad...HKP-16916$219.95 -
Tommy Built HK G36 Low Rise Top Rail - Black
Tommy Built
$249.95Tommy Built HK G36 Low Rise Top Rail - Black Billeted aluminum low-rise top rail for the SL8-6 & G36 series of rifles. This is the perfect mounting solution for optics. Crafted from the combat grade aluminum with a hard-coat anodized finish...HKP-20961$249.95 -
Sale
Wasatch Arms Canik Mete SFx Compensator
Wasatch Arms
Now: $127.95Was: $188.99Wasatch Arms Canik Mete SFx Compensator Tame the recoil of your Canik with a frame-mounted Wasatch Arms compensator. The unique design and meticulously placed ports allow the gas to disperse more efficiently which helps stabilize your gun and...HKP-20359Now: $127.95Was: $188.99 -
AIM HK to AR15
AIM
$54.99AIM HK to AR15 The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle, SBR, or pistol. With our adapter, you can use your existing...HKP-20891$54.99 -
Sale
AR-15 Ambidextrous Sling End Plate, Universal
USA
Now: $9.95Was: $13.95AR-15 Ambidextrous Sling End Plate, Universal Made in the USA out of ordnance grade steel. Compatible With: AR15 M5 Other AR buffer tube style buildsHKP-15333Now: $9.95Was: $13.95 -
B&T BT TP9 Top Cover w/ Side Mounting Rail
B&T Brugger & Thomet
$159.95B&T TP9 Top Cover Complete with Side Mounting RailHKP-17293$159.95 -
B&T Quick Detach Polymer Unigrip - Black
B&T Brugger & Thomet
$74.95B&T Quick Detach Polymer Unigrip This simple foregrip is designed to be mounted on the NAR/Picatinny rail of the firearm. The grip features an integrated storage compartment. Specifications: Color: Black Length: 5" (130mm) Weight: 113g Material:...HKP-18102$74.95 -
Comp-Tac HK VP9/VP9L/Match International LH Holster - Black
Comp-Tac
$79.95Comp-Tac HK VP9/VP9L/Match International LH Holster - Black One holster to fit your entire VP9 Lever collection, including your VP9 Match. Comp-Tac has worked with HK Parts to develop a flexible holster to fit your needs- whether you have the VP9 Match,...HKP-20012$79.95 -
Geissele HK MR556 Trigger
Geissele
$489.95Geissele HK MR556 Triggere The HK MR556 trigger is similar to Geissele's SSA with a 4.5 total pull weight. It can be used in both the HK 556 and semi-auto HK 416's. Each Trigger comes with full installation instructions and the lubricant you will need...HKP-16464$489.95 -
H&K (5.56/.223) Chamber Flute Brush
H&K Heckler & Koch
$29.95New HK German .223/5.56 Chamber Flute Cleaning Brush This item is ideal to have on hand for cleaning the flutes of the barrel. The flutes have to remain clean for the rounds to be extracted properly. This item is highly recommended for cleaning.HKP-00464$29.95 -
H&K 30 Round HK MR556/K416 Magazine Spring
H&K Heckler & Koch
$12.95HK German HK MR556 & HK 416 Magazine SpringHKP-13483$12.95 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin
H&K Heckler & Koch
$74.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin This German-made Heckler & Koch housing comes in black polymer. This part is compatible with all push pin G3 style firearms. It can also be used for other...HKP-01757$74.95 -
H&K HK MR556 M-LOK 16.5" Upper Receiver Assembly - Black
H&K Heckler & Koch
$1,779.95New HK Factory German MR556 Upper Kit with M-LOK forearm Includes: Complete MR556 upper receiver with M-LOK forearm MR556 Bolt group Complete Tungsten Filled HK Buffer HK Buffer Spring One 30 Round HK Steel Maritime Magazine No FFL required as the...HKP-17366$1,779.95 -
H&K HK USP45C/HK45C Recoil Spring Assembly
H&K Heckler & Koch
$89.95Recoil Spring Assembly Complete With Captive Spring, Buffer, & Guide Rod A must-have spare part for your HK compact .45 pistol. New HK German factory fresh manufacture. Compatible With: HK USP Compact 45 HK USPC Tactical HK45 Compact HK45C TacticalHKP-01457$89.95 -
H&K HK VP9, HK VP9L Optics Ready Optics Plate #3 STS2 - Black
H&K Heckler & Koch
$52.95Optics Plate #3 STS2 - HK VP9, VP9L OR, VP9SK OR Steel HK OEM optics plate. Compatible With: C-More STS2 HK VP9 OR, VP9 Tactical OR HK VP9L OR HK VP9 Match OR VP9SK OR **Plate Only works with VP9 pistols with Factory Optics cuts.**HKP-19254$52.95 -
H&K HK VP9/VP9SK, HK VP40 Disconnector
H&K Heckler & Koch
$19.95Disconnector For HK VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP40HKP-16793$19.95 -
H&K Magazine - .40 S&W 9 Round for HK P2000SK
H&K Heckler & Koch
$49.00German HK P2000 SK 9 Round Magazine - 40 S&W Spare magazines for HK P2000 SK .40 caliber pistols. This magazine holds nine rounds of .40 S&W ammunition.HKP-00307$49.00 -
H&K MP5 40/10 30 Round Magazine Spring
H&K Heckler & Koch
$9.95H&K MP5 40/10 30 Round Magazine Spring New HK German MP5 40/10 magazine spring for the 30 round magazine. Hard to find and a must have repair and replacement item.HKP-01056$9.95 -
H&K MP5 40/10 SEF F/A Trigger Pack Complete
H&K Heckler & Koch
$239.95HK German SEF Full Auto Trigger Pack Complete Factory HK German MP5 40 caliber full auto trigger pack is unmodified as it comes from HK. Our F/A trigger pack comes with a used factory German HK 40/10 caliber ejector lever and heavy hammer spring. Each...HKP-00151$239.95 -
H&K MP5/SP5 9mm Magazine Unloader
H&K Heckler & Koch
$119.95H&K MP5/SP5 9mm Magazine Unloader HK MP5 German Magazine Unloader for MP5, SP5, and HK94 9mm magazines. This part is compatible with the 30, 15, and 10-round factory magazines.HKP-00085$119.95 -
H&K Selector Catch Lever for HK Ambidextrous Trigger Packs
H&K Heckler & Koch
$39.95HK German Ambidextrous Trigger Pack Axle Catch Lever This is the lever that allows you to take apart any of the ambidextrous trigger packs. This lever takes the spring tension off the left and right side selector levers, allowing you to remove and...HKP-01636$39.95 -
H&K UMP/USC (.45 ACP) HK Factory Cleaning Kit
H&K / HK Parts
$79.95Cleaning Kit For HK USC & UMP .45 ACP Subguns This Cleaning kit a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad cleaning rod Accessory adapter section #8-32 Patch holder Chamber face...HKP-01055$79.95