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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Lazy Wolf Guns Duty/Defensive Carry Enhanced Trigger Pull Spring Kit
Lazy Wolf
$19.95Lazy Wolf Guns Duty/Defensive Carry Enhanced Trigger Pull Spring Kit Based on the Lazy Wolf Guns Design. We now have an intermediate drop in set of springs for the utmost in performance and reliability in ALL VP9 family pistols. Defensive carry,...HKP-19515$19.95 -
HKP HK VP/P30 9mm Magazine Extension Floor Plate
HKP HK Parts
$24.95HKP HK VP/P30 9mm Magazine Extension Floor Plate Extended baseplate that adds about .30" in length to the bottom of the magazine and replaces the stock floor plate on the VP9/P30 & VP9SK, P30SK magazine. The extended length makes for quicker,...HKP-17631-M$24.95 -
On Sale
H&K HK Black Shooter Hat - Black
H&K Heckler & Koch
Now: $8.99Was: $12.95HK Black Shooter Hat - Black Cotton twill hat with red stitching and red HK logo on the front. The top of the low-profile six-panel hat is smooth with a velcro back to accommodate hearing protection.HKP-13922Now: $8.99Was: $12.95 -
HKP Roller +8 - New - 8.08mm
HKP HK Parts
$8.99Roller +8 - New - 8.08mm HK Parts Standard (8.08 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-19437$8.99 -
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 -
H&K 30 Round HK MP7 4.6x30mm Magazine - Black
H&K Heckler & Koch
$97.95MP7 30 Round Magazine New factory German HK 30-round magazine for the 4.6x30mm HK MP7A1 & MP7A2 weapon system. This is a popular spare magazine option as it is not too large and not too small of capacity.HKP-02455$97.95 -
HKP HK USP .45 ACP/Mark 23 +5 Magazine Extension
HKP HK Parts
$49.95HKP HK USP .45 ACP/Mark 23 +5 Magazine Extension Super easy to install, simply add the mag extension to your existing mag body and follower. An easy 2 minute swap, no gunsmithing needed. Made in the USA out of aircraft grade hard coat anodized aluminum...HKP-19493-M$49.95 -
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 -
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 MP5SD 9mm Cocking Tube
HKP HK Parts
$99.95MP5SD Cocking Tube - US Made HK German MP5SD spec cocking tube for use on MP5SD style builds or custom SD builds. These are the best MP5SD cocking tube ever offered. Each unit is made from the original factory HK prints & tooling to the perfect HK...HKP-15700$99.95 -
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 Universal M-LOK Long Grip
HKP HK Parts
$24.95HKP Universal M-LOK Long Grip This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum...HKP-20680$24.95 -
B&T HK MP5, SP5, HK94 Lightweight Tri-Rail Handguard
B&T Brugger & Thomet
$259.95B&T LIGHTWEIGHT TRI-RAIL HANDGUARD FOR MP5/SP5/HK94 B&T's Lightweight Tri-Rail Handguard is almost 25% lighter with practically identical construction. The handguard offers a total of three NAR/Picatinny rails. One on each side and one on its...HKP-19737$259.95 -
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 -
H&K HK 9mm Barrel Thread Protector O-Ring - Black
H&K Heckler & Koch
$4.95HK German 9mm Barrel O-ring - Black The O-ring is a high-wear and replacement item. To save money - order 10 or more and get an additional $1 off per O-ring. Compatible With The Following Barrels That Have An O-ring Groove: HK USP 9mm HK USP Compact...HKP-00908$4.95 -
HKP Rear Sight Oval Washer
HKP HK Parts
$2.95HKP Rear Sight Oval Washer HK German oval washer for the rear sight diopter style assemblies. This is the needed washer used in conjunction with the locking washer. Fits and works with all diopter-style rear sights.HKP-00870$2.95 -
H&K USP 9mm 18 Round Jet Funnel Magazine
H&K Heckler & Koch
$88.95H&K USP 9mm 18 Round Jet Funnel Magazine New style all black steel reinforced Jet Funnel 18 round USP 9mm magazine. This item can be used with or without the jet funnel mag well installed. Compatible With: USP/Tactical USP Expert/USP...HKP-14549-M$88.95 -
RCM MP5, HK94 & MP5K 100 Degree Locking Piece
RCM
$34.95RCM MP5, HK94 & MP5K 100 Degree Locking Piece Each 100-degree MP5 locking piece is the proper, correct locking piece for all HK MP5/94 and full-size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants, per...HKP-01242$34.95 -
HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount
HKP HK Parts
$97.95HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount Our new picatinny style optic mount is a game changer for those that want to have a minimalist look on their MP5 .22. You can have a picatinny rail with out having to compromise all the real estate...HKP-21369$97.95 -
On Sale
AC-Unity 26.5mm Flare Gun With Polish Signal Flares
AC-Unity Magazines and Parts
$64.95 - $199.95AC-Unity 26.5mm Flare Gun With Polish Signal Flares The AC-Unity flare gun is a durable launcher designed to dispense 26.5mm flares or smoke grenades. The body of the pistol is made of high impact, UV resistant polymer capable of operating through...HKP-20154-M$64.95 - $199.95 -
Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange
Blitzkrieg Components
$56.99Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The bright orange chevron stripe offers...HKP-20454$56.99 -
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 -
Out Of Stock
H&K HK MR556/762/416/417/G28 Battle Grip With Storage - Black
H&K Heckler & Koch
$59.99H&K HK MR556/762/416/417/G28 Battle Grip With Storage - Black HK German V7 factory battle grip with storage compartment incorporated in the grip base. Compatible With: HK MR556 HK 416/416-A5 HK MR762 HK 417 HK M27 HK G28 AR-15, M4, & M16...HKP-17678$59.99 -
Out Of Stock
MFI HK G3, 91, 93, 33 PTR & MP5 Scope Mount - Windowed
MFI
$124.95MFI HK G3, 91, 93, 33 PTR & MP5 Scope Mount - Windowed This model is the same as the best-selling low-profile mount, only with added windows for extra weight savings and a viewing window to see the serial numbers on the MP5/94 series of...HKP-02708$124.95 -
HKP MP5SD Enhanced SD Shroud
HKP HK Parts
$129.95MP5SD weldable suppressor shroud for HK MP5 SD builds The finest SD shroud ever made or available. CNC machined & fully de-burred with the handguard attachment lugs being machined in from the outset, not welded in as found on other aftermarket style...HKP-15701$129.95 -
Magpul AR/M4 30 Round TMAG Magazine
Magpul
$24.95Magpul AR/M4 30 Round TMAG Magazine The TMAG 30 AR/M4 GEN M3 is a highly reliable, translucent, 30-round magazine for STANAG-compatible weapons chambered in 5.56x45 NATO/.223 Remington. Molded from a durable translucent material with an olive drab hue,...HKP-21149$24.95 -
H&K Cocking Tube Hanger Clip
H&K Heckler & Koch
$13.95H&K Cocking Tube Hanger Clip The HK cocking tube support hanger is the part that welds onto the end of the cocking tube that allows the forearm to install with the use of a small push pin. New HK German factory manufactured. Ready to weld onto your...HKP-00349$13.95 -
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 -
HKP +2 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest
HKP HK Parts
$17.95 - $24.95HKP +2 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest The mag extension also provides a pinky rest that is super well-balanced and rock-solid. Made in the USA from billeted aluminum. The +2 mag extension not only provides a place to rest the pinky, but...HKP-21076-M$17.95 - $24.95 -
Out Of Stock
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 -
Choate MP5 & HK94 End Cap & Sling Swivel
Choate
$36.95Choate MP5 & HK94 End Cap and Sling Swivel Made in the USA, MP5 and HK94 end cap features an extra thick heavy-duty rubber buffer that is replaceable with a simple screwdriver. Each HK end cap also features a sling swivel for use with all types of...HKP-00115$36.95 -
H&K MP5 9mm SEF Full Auto Trigger Pack Complete - Used
H&K Heckler & Koch
$289.95H&K MP5/K 9mm SEF Full Auto Complete Trigger Pack - USED 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-21356$289.95 -
H&K 10 Round HK MP5, MP5K - California Compliant Magazine
H&K Heckler & Koch
$88.95California Complaint Magazine 10-30 - MP5, MP5K - German - New This California compliant magazine has a 10 round block pre-installed which converts a factory 30 round magazine into a 10 round magazine. This is the best option to stay legal in...HKP-20670$88.95 -
H&K MP5 & MP5K Firing Pin Spring
H&K Heckler & Koch
$26.95H&K MP5 & MP5K Firing Pin Spring The latest firing pin spring features a stronger and more durable braided design, surpassing the standard non-braided spring in performance and longevity. Compatible With: MP5, HK94, SP5 MP5K, SP5K,...HKP-00063$26.95 -
Out Of Stock
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 -
HKP HK MP5K Vertical Grip VFG M-LOK - Black
HKP HK Parts
$49.95HKP HK MP5K Vertical Grip VFG M-LOK - Black Our VFG for the MP5K platform is now M-LOK compatible. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a true ambidextrous vertical grip. Made in the USA...HKP-20737$49.95 -
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 -
HKP MP5 & MP5K 9mm Extractor - Enhanced
HKP HK Parts
$39.95HK MP5, MP5K 9mm Extractor - Latest Generation Style HK Parts offers the finest US made 9mm "F" type extractor for all HK MP5/94 bolt heads. CNC'd from a solid billet of ordnance grade steel for superior function & durability. Each 9mm extractor has...HKP-01968$39.95 -
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 -
HKP HK VP9 Optics Plate #5 Fastfire, Viper, Venom
HKP HK Parts
$29.95 - $39.95HKP/H&K VP9 Series 9mm Fastfire, Vortex Optics Plate #5 The finest aluminum mounting solution for your HK VP9 Series Optic Ready model. New solid billet machined aluminum optics plate. Each plate is CNC machined from a solid billet of ordnance grade...HKP-19689-M$29.95 - $39.95