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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HKP HK 91/G3 (7.62x51/.308) Cocking Handle - Extended
HKP HK Parts
$64.95HK 91, G3, PTR & CETME, C 308 Cocking Handle - Extended Add the look, feel, and enhanced pulling advantage of the extended cocking handle to your HK91, G3, PTR & C308 firearm. This upgrade will provide more than 2X the surface area and charging...HKP-00199$64.95 -
H&K Push Pin Set - MP5, G3/91, 33/53/93
H&K Heckler & Koch
$15.49HK Set Of Two (One Large And One Small) Push Pins -Used These are great replacements or spare parts to keep on hand. Compatible With: HK91 & G3 53, 33, and 93 MP5, SP5, SP89 PTR and GSG-5 family of guns. Please Note: The GSG5 will take...HKP-00673$15.49 -
Gear Head Works Tailhook Mod 1C - Black
Gear Head Works
$164.95Gear Head Works Tailhook Mod 1C - Black The Patented Tailhook MOD 1C is 30% lighter and 30% more compact than or standard Mod 1. With a profile similar to the SCW Tailhook it truly is the most compact pistol brace on the market today. At less than an...HKP-19655$164.95 -
H&K HK 13 Round USPC/P2000 9mm Magazine
H&K Heckler & Koch
$49.00H&K HK 13 Round USPC/P2000 9mm Magazine Each magazine is a current HK German manufacturer. Brand new and factory fresh. Compatible With: HK USP Compact 9mm HK P2000 9mm Fits the P2000SK will stick out below the mag well when installedHKP-00312-M$49.00 -
H&K No Compromise Decal
H&K Heckler & Koch
$1.95H&K No Compromise Decal Show your support for the HK 416 weapon System. HK shows no compromise as the worlds finest firearms manufacture the world over! Specifications: Size: 4 in. Circle WeatherproofHKP-17157$1.95 -
H&K 30 Round HK MR556/416 5.56/.223 Maritime Magazine - Black
H&K Heckler & Koch
$59.00HK 416, MR556 30 Round Maritime Magazine - German HK The HK 416 and MR556 magazines will also fit all AR15/M16 variants. Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon. Originally developed by HK for the British L85 (SA80)...HKP-00487$59.00 -
AC-Unity 40 Round HK MP5 9mm Magazine - Black
AC-Unity Magazines and Parts
$24.95AC-Unity 40 Round HK MP5 9mm Magazine - Black ADD QUANTITIES TO CART TO SEE BULK PRICING DISCOUNTS The AC-Unity 30 round MP5 magazine is a lightweight, impact resistant and reliable magazine for all 9mm HK MP5, SP5, MP5K, SP5K and clones. Constructed...HKP-20156$24.95 -
Maglula Universal Magazine Loader
Maglula
$34.95Maglula Universal Magazine Loader The UpLULA mag loader is a military grade-quality universal pistol magazine loader and unloader designed for loading and unloading almost all 9mm Luger up to .45ACP magazines, single and double stack, and 1911's of all...HKP-14531$34.95 -
H&K HK P9/P9S Recoil Buffer
HKP HK Parts
$19.95HK P9S Recoil Buffer Fits All 9mm & 45 P9 & P9S Models This is a must-have replacement item as the buffer will degrade and fall apart with use and age. Replacing the P9 buffer is the most common wear and replacement part on the P9 series of...HKP-01449$19.95 -
H&K Locking Roller Pin For Bolt Heads
H&K Heckler & Koch
$6.95H&K Locking Roller Pin For Bolt Heads HK roller retainer pin or clamping sleeve (holds roller retainer plate in place). Each retainer pin works with all roller retainer plates & springs. All 3 types including oval-shaped roller retainer...HKP-00066$6.95 -
HKP HK 416 .22 Picatinny Pistol Brace Adapter/Stock Adapter
HKP HK Parts
$62.95HKP HK 416 .22 Picatinny Pistol Brace Adapter/Stock Adapter CNC billet machined in the USA from one piece of aircraft grade aluminum. Each adapter was fitted for optimal use on the HK 416 .22 Pistol models with a seamless fit. Each unit has a left and...HKP-19742$62.95 -
H&K HK P30 Series Light Trigger Return Spring
H&K Heckler & Koch
$7.95Light Trigger Return Spring This spring is a popular choice for those who opt for custom trigger pulls and spring conversions. It's also known as the "light" trigger return spring for the P30 series of pistols. Converts a V2 heavy LEM to a light V1...HKP-01801$7.95 -
H&K HK 93/53/33 (5.56/.223) 30 Round Magazine - Steel
H&K Heckler & Koch
$99.95HK93, HK33, & HK53 - 30 Round Magazine HK Factory German. All-steel latest production magazine and hard to find. This magazine was discontinued in 2021 and is no longer in production. Stock up as we have the last remaining units available...HKP-00484$99.95 -
H&K MP5, HK94 Cocking Tube Support Handle Pin
H&K Heckler & Koch
$1.95HK German MP5, 94 Cocking Tube Support Handle Pin This spring pin holds the cocking handle in place on the cocking tube support. This is also the same part for the front sight roll pin for the triple frame (front sight tower). Compatible With: HK MP5...HKP-00656$1.95 -
H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black
H&K Heckler & Koch
$4.95H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black A great spare and a much-needed part for your HK barrel. This factory part is a high-wear item, as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup with...HKP-00296$4.95 -
HKP HK USP/P2000/HK45C Enhanced Magazine Release
HKP HK Parts
$49.95HKP HK USP/P2000/HK45C Enhanced Magazine Release Upgrade your pistol's performance with our oversized magazine release. Crafted from durable 6061 billet aluminum, this US made component offers an expanded surface area for quicker, more intuitive magazine...HKP-19287-M$49.95 -
Walther 30 Round HK 416 .22LR Magazine - Gray
Walther
$34.95HK, Umarex, Walther, HK416 .22LR Magazine - 30 Round Magazine This is the factory OEM magazine for all of the models listed. Each magazine comes in charcoal gray color. Compatible With: HK 416 .22 Colt M4 .22 HK G36 .22 Beretta ARX 160 ...HKP-01749$34.95 -
H&K Velcro Patch
H&K Heckler & Koch
$4.95Factory HK Black & Red Patch With Full Velcro Back Wear your pride in HK with this HK logo patch. Embroidered HK patch with a full velcro backing for fitment on range bags, hats, clothing, etc. Specifications: 3.5" L x 2.5" HHKP-17322$4.95 -
H&K 93/53/91/G3 Cocking Handle Spring
H&K Heckler & Koch
$5.74New Style Cocking Handle Lever Spring - German This is the latest HK German spring design with the factory HK anti-corrosion plating applied. The factory HK springs last longer and is more tolerant to corrosion. A perfect upgrade for your older...HKP-00348$5.74 -
Out Of Stock
H&K 17 Round HK VP9, HK P30 9mm Complete Magazine
H&K Heckler & Koch
$45.95New HK German Manufacture & Factory Fresh Production. Each factory HK all-steel bodied magazine holds 17 round of 9mm ammunition for use in all P30, P30L, P30S & HK VP9, VP9L 9mm models.Fits All HK VP9 & P30 9mm Pistol models: VP9, VP9...HKP-19277$45.95 -
On Sale
HKP HK P30/P30S Gen 2 Rail Mount Compensator - Black
HKP HK Parts
Now: $109.95Was: $189.95HK P30 - Rail Mount Compensator - Gen 2 Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. It has a sleek design that flows with the lines of the Koch P30 for a seamless addition. It has 5 sets of ports to significantly reduce...HKP-19926Now: $109.95Was: $189.95 -
HKP MP5, MP5K Cocking Handle - Extended
HKP HK Parts
$39.95HK MP5, MP5K Contoured Cocking Handle - Extended Enhanced extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and each is made 100% from solid steel billet. Each item also...HKP-17149$39.95 -
HKP HK MP5/91/G3/93/33/53 Picatinny Rail Mount For Front Sight Tower
HKP HK Parts
$39.95FRONT SIGHT TOWER RAIL MOUNT- Lights & Lasers HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...HKP-16672$39.95 -
AC-Unity 30 Round HK 93/53/33 Magazine
AC-Unity Magazines and Parts
$19.95AC-Unity 30 Round HK33 Magazine The AC-Unity HK33 magazine is formed from an advanced polymer-resin/granulate that is lightweight and shock resistant. Metal parts are hardened and corrosion resistant. These magazines have a long lifespan, capable...HKP-21636$19.95 -
Magpul HK MP5, HK SP5, HK AP5 SL Hand Guard - Black
Magpul
$49.95 - $59.95Magpul HK MP5, HK SP5, HK AP5 SL Hand Guard The Magpul SL Hand Guard for the HK MP5 is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics and anti-slip texturing. It also includes M-LOK®...HKP-19309-M$49.95 - $59.95 -
HKP HK VP9/VP9L Optics Plate #8 - Holosun 407K/507K Optic Mount
HKP HK Parts
$49.95HK VP9 Series Optics Plate #8 - Holosun 407K/507K Optic Mount - Steel The finest all steel mounting solution for your HK VP9 Series Optic Ready model. New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of...HKP-20016$49.95 -
H&K HK MP5/MP5K 30 Round - LEO Marked Magazine
H&K Heckler & Koch
$94.95H&K HK MP5/MP5K 30 Round - Repoduction LEO Marked Magazine Finally a solution for those sought after LEO magazines. We use a factory fresh German magazines and we professionally laser engrave with the LEO markings. We spared no room for error on this...HKP-21354$94.95 -
HKP HK USP Pistol Light, Laser Adapter
HKP HK Parts
$28.95HKP HK USP Pistol Light, Laser Adapter This is the flashlight adapter needed for all HK USP Full Size Pistols to attach an aftermarket light or laser to the bottom rail of the firearm since HK USP's use a proprietary rail system. Made from hard coat...HKP-00960$28.95 -
Grayguns HK P30/P30L/P30SK Straight Trigger
Grayguns
$95.00Grayguns HK P30/P30L/P30SK Straight Trigger Designed by Keith Hosey, Grayguns' director of gunsmithing, the HK P30 Straight Trigger is a first-of-its-kind in the market. Fits all P30 variants. Reduces over-travel while featuring a 90-degree optimal...HKP-19748$95.00 -
HKP MP5 & MP5K 9mm Magazine Floor Plate
HKP HK Parts
$9.95HK MP5 & MP5K 9mm Magazine Floor Plate - US New US manufactured MP5, MP5K 9mm magazine floor plate. Made in the USA, fully heat treated and built to factory specification. A great replacement for 922r compliance as it counts as 1 US made compliant...HKP-17507$9.95 -
Lazy Wolf HK Reduced Power Hammer Spring - 10 lb.
Lazy Wolf
$9.95Lazy Wolf HK Reduced Power Hammer Spring - 10 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG...HKP-18132$9.95 -
HKP HK 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Hex Buffer Screw - Front
HKP HK Parts
$0.69Enhanced Hex Style Buffer Screw New upgraded hex head style front buffer screw. Each buffer assembly uses 2 of these screws to affix the buffer to the back plate and central stock section. The old style buffer screws were used the older slotted head and...HKP-17883$0.69 -
Lazy Wolf HK Reduced Power Hammer Spring - 11 lb.
Lazy Wolf
$9.95Lazy Wolf HK Reduced Power Hammer Spring - 11 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG...HKP-18147$9.95 -
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 -
Out Of Stock
KCI 20 Round HK91/G3/PTR 7.62x51mm/308 Magazine - Black
KCI
$0.00HK 91, G3, PTR .308 20 Round All Steel Magazine - KCI Designed to fit your G3, HK91, & PTR style firearms chambered in .308 and 7.62x51. This standard capacity 20-round magazine provides reliable and smooth feeding. Constructed of steel with a grey...HKP-19970$0.00 -
H&K 17 Round HK VP9SK/P30SK 9mm Magazine
H&K Heckler & Koch
$49.95H&K 17 Round HK VP9SK/P30SK 9mm Magazine New factory HK 17 round magazine for the VP9SK & P30SK. HK's magazine is made to their specifications and tolerances using high quality materials that provide perfect fit, durability and...HKP-20601-M$49.95 -
HK 53 (5.56/.223) Recoil Assembly Complete
HKP HK Parts
$44.95HK53 Recoil Assembly US manufactured with just the right mixture of US and German components. Each uses a micro polished recoil rod with serviceable end caps that can be taken on and off for spring replacement. Each recoil assembly features a factory...HKP-16752$44.95 -
Choate MP5K/SP89/SP5K 9mm Folding Stock
Choate
$199.95MP5K, SP89 & SP5K Tactical Folding Stock - US Made 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...HKP-00390$199.95 -
H&K MP5 9mm SEF Full Auto Trigger Pack Complete
H&K Heckler & Koch
$349.95HK MP5 - 9mm SEF Full Auto Trigger Pack Complete - German Each factory full auto trigger pack includes a new 9mm 3rd generation German ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our trigger packs. Each used...HKP-00981$349.95 -
H&K HK 45/45C/USP/P30 New Style Light Firing Pin Block Spring
H&K Heckler & Koch
$7.74H&K HK 45/45C/USP/P30 New Style Light Firing Pin Block Spring This part is commonly used with the light trigger return spring (shown below) for a light trigger pull conversion. This spring is one of the springs used to convert P2000,...HKP-01955$7.74