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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Grayguns HK P30, P2000 Short Reset System 4.1 Trigger
Grayguns
$90.00Grayguns HK P30, P2000 Short Reset System 4.1 Trigger Replicate our custom in-house short reset conversion with a drop-in kit for your HK P2000 or P30 without a thumb safety. Cut from bar stock steel, these kits provide an exacting fit for...HKP-19754$90.00 -
HKP - U.S MP5K Shoulder Rig Lanyard With Ring
$19.95HKP - U.S MP5K Shoulder Rig Lanyard With Ring For use with all HK shoulder harnesses to quickly deploy the stock when folded. This is the same style unit used by agencies such as the Secret Service, FBI etc. Our U.S lanyard is upgraded with a ...HKP-20855$19.95 -
HKP SEF Enhanced Ambi Selector Set - Navy Style
HKP HK Parts
$76.95Ambidextrous Selector Lever Set For SEF Navy Style Polymer Grip Frames Features: Made in the USA Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...HKP-18065$76.95 -
Franklin Armory / HKP HK MP5 Trigger Group – 2 Round Engraved Binary Housing
FA Franklin Armory / HKP
$1,299.95Franklin Armory BFSIII HK-C1/HKP MP5 Trigger Group – 2 Round Engraved Binary Housing - Clipped & Pinned 3 Position, 2 round burst style engraved pictograph – HK binary trigger group. Our latest and greatest Binary trigger group freshly...HKP-20969-M$1,299.95 -
HKP HK VP9, HK VP40 Enhanced Magazine Release
HKP HK Parts
$49.95Enhanced Magazine Release - Alloy - HK VP Series The oversized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of your grip. Made in the USA from 6061 billeted aluminum...HKP-21099-M$49.95 -
HKP Leather MP5 Key Chain - Black/Silver
HKP HK Parts
$9.00HKP Leather MP5 Key Chain - Black/Silver Leather MP5 keychain with HK sling style clip.HKP-21452$9.00 -
PTR MP5 Tri-Rail Forearm
PTR
$149.95PTR MP5 Tri-Rail Forearm US made and comes with 3 independent 4" removable rails that are fully modular and able to add and remove at will. Made in the USA. Low profile and the most modular of any picatinny style forearm available. The Picatinny Rails...HKP-17782$149.95 -
H&K Rear Sight Spare, Repair Kit
H&K Heckler & Koch
$24.95H&K Rear Sight Spare, Repair Kit New factory German HK rear diopter sight spare parts, repair kit. Brand new factory German manufacture. Not used surplus parts brand new factory fresh German HK parts. Includes: 2 X Rear sight ball bearings 2 X Rear...HKP-16976$24.95 -
On Sale
HKP AR-15 Mil-Spec Buffer Tube
HKP HK Parts
Now: $14.95Was: $29.95Mil-Spec US Made Buffer Tube Compatible With: HK MR556 & 416 All AR-15 style platforms Features: Made From T7 7075 Aircraft grade aluminum 6 Position Made in the USA Each features a highly polished inside tube Black Mil-spec triple hard coat...HKP-02727Now: $14.95Was: $29.95 -
HKP MP5 & HK94 Steel Cocking Tube Support
HKP HK Parts
$49.95MP5 All Steel Cocking Tube Support 9mm - USA: Made entirely from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at the best price. Each MP5 9mm cocking tube support will include the detent and...HKP-18040$49.95 -
H&K USP/USPC/VP40 Extractor Spring
H&K Heckler & Koch
$7.95H&K USP/USPC/VP40 Extractor Spring The extractor spring is one of the hardest working parts of your HK pistol. The extractor spring should be changed every 5K rounds. A must-have spare part to have on hand. Compatible With: HK USP 9, 40 .45...HKP-01079$7.95 -
HK Contract 3 Point Sling - OD Green
H&K Heckler & Koch
$52.95HK Contract 3 Point Sling - OD Green HK 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 +1 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest - Black
HKP HK Parts
$19.95HKP +1 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest - Black VP9 SK & P30 SK magazine extension or floorplate that adds an additional round to the 10 round magazine (11 rounds total). The mag extension also provides a pinky rest that is super well...HKP-17880$19.95 -
AIM HK 91/G3 (7.62x51/.308) Extended Rifle Length Handguard - M-LOK
AIM
$84.95HK G3 EXTENDED RIFLE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...HKP-18173$84.95 -
H&K 91/G3 (7.62x51/.308) Cocking Tube
H&K Heckler & Koch
$109.95HK German G3, 91, PTR Cocking Tube This is the factory-new part straight from HK Germany, and it is heat treated with the proper ribbed cocking tube extrusion. No longer in production and not POF or other low-quality production. HK G3 HK 91 PTR-91...HKP-01041$109.95 -
HKP - 17 Round HK45 Magazine
$119.95HKP - 17 Round HK45 Magazine HK45 & HK45 tactical +7 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 17 round HK45, HK45 tactical magazine. Ideal for competition shooters that would like...HKP-20787$119.95 -
HKP 30 Round HK UMP 10mm Magazine - Black
HKP HK Parts
$139.95UMP, SMG - 30 Round Magazine - USA - 10mm Each 30 round magazine will fit the HK UMP 10mm caliber carbines, SMG's as well as the USC-UMP .40 to 10mm caliber conversions. Each magazine features, steel feed lips, enhanced polymer construction and all...HKP-19474$139.95 -
HKP Single Point Sling - OD Green
HKP HK Parts
$29.95HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...HKP-09057$29.95 -
Meprolight HK USP Tactical Front Night Sight - Green
Meprolight
$39.95Meprolight HK USP Tactical Front Night Sight - Green Perfect for those that only want a front night sight dot on the USP Tactical variants. Meprolight Tritium night sight front sight ONLY for HK USP pistols are the recommended tactical night sight of...HKP-16590$39.95 -
H&K MP5 & PDW Rear Sight Drum
H&K Heckler & Koch
$71.95MP5 Rear Sight Drum- German This item is the factory-correct rear sight drum for the MP5K PDW or MP5K-N family of firearms. This item is also a popular upgrade for many of the existing clones on the market, as many use factory-incorrect G3 rear sight...HKP-00072$71.95 -
HKP Cocking Handle Spring
HKP HK Parts
$3.95HKP Cocking Handle Spring The cocking handle spring is a medium wear component and should be replaced intermittently. Grab a spare to keep with your maintenance gear in case of failure in the field too. Compatible With: HK G3, 91, PTR91 HK...HKP-02465$3.95 -
PTR HK MP5 Flat Receiver w/ Weldment Set
PTR
$294.95MP5 9mm Receiver Flat With Complete Weldment & Rivet Set - PTR/LSC Several years ago PTR bought out LSC and now owns the tooling and dyes for the LSC 9mm flats. These elusive flats have been hard to find and are now available for the first time here...HKP-19509$294.95 -
On Sale
Glock 33-Round 9mm Magazine - FDE
Glock
Now: $29.95Was: $39.95Glock 33-Round 9mm Magazine - FDE Each Glock magazine is constructed from a hardened steel insert encased in high tech polymer to protect the magazine and prevent deformation, even when dropped from a great height. The high quality spring and follower...HKP-19820Now: $29.95Was: $39.95 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Tungsten
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - Tungsten Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the...HKP-19977$99.95 -
H&K MP5SD Sealing Ring
H&K Heckler & Koch
$19.95H&K MP5SD Sealing Ring Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunnion on factory HK MP5SD's or factory correct SD conversions. This is a typical wear item as they do degrade and crack. Compatible...HKP-00142$19.95 -
HKP HK UMP (.40 S&W/.45 ACP/9mm) Lower Locking Pin
HKP HK Parts
$12.95HK UMP Lower Locking Pin, Push Pin For use with all HK UMP lowers & USC to UMP conversions. Made in the USA. This is the pin that holds the lower to the receiver. Compatible With: UMP USC Conversions TBT builds Omega Other builds that...HKP-18580$12.95 -
HKP HK VP9, HK VP40 Competition Magwell Extension - Black
HKP HK Parts
$74.95HKP HK VP9, HK VP40 Competition Magwell Extension - Black The HK Parts manufactured Competition VP9//VP40 extended flared magwell is CNC machined in the USA from billet aircraft grade aluminum that is hard coat anodized & Teflon coated for maximum...HKP-17756$74.95 -
HKP Rear Sight Retainer or Clamping Screw
H&K Heckler & Koch
$4.95HK German Rear Sight Retainer / Clamping ScrewHKP-00868$4.95 -
Comp-Tac HK MP5 9mm Single Magazine Pouch
Comp-Tac
$44.95Comp-Tac HK MP5 9mm Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your HK MP5. The PLM mount allows for being securely hooked on a variety of...HKP-20099$44.95 -
H&K HK USP/Mark 23 Recoil Assemblies Snap Ring
H&K Heckler & Koch
$7.95H&K HK USP/Mark 23 Recoil Assemblies Snap Ring The snap ring secures the spring onto the recoil buffer spring assembly. This part can come loose and become lost or easily worn. Once you remove them, HK suggests replacing them with a new snap ring...HKP-01258$7.95 -
H&K Pistol Mag 6 Slot Pouch
H&K Heckler & Koch
$22.95H&K Pistol Mag 6 Slot Pouch Features: HK licensed red HK embroidered logo Mil-Spec ballistic nylon Durable construction with heavy duty velcro fold-over flap Specifications: Height: 6" Length: 12" Color: black (6) Compartments to fit...HKP-19847$22.95 -
HKP/H&K USP/T .40 S&W 18 Round Complete Magazine With Extension
HKP HK Parts
$79.95HKP/H&K USP/T .40 S&W 18 Round Complete Magazine With Extension HK Parts magazine extension adds 5 additional rounds to the full size USP & USP Tactical, 13 round magazine. Each unit is then fully assembled as an 18 round magazine. Ideal for...HKP-18643-M$79.95 -
PTR HK Mil-Spec AR Stock Adapter & Buffer Tube
PTR
$124.95PTR HK Mil-Spec AR Stock Adapter & Buffer Tube AR15 to HK 90 series stock adapter for AR15 stocks that includes the mil-spec 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...HKP-16583$124.95 -
SL8, G36 Bolt Hold Open Lever - Extended - HKP
USA
$59.95SL8 & G36 Extended Bolt Hold Open Lever New SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The bolt hold open lever is a drop in replacement and requires zero gunsmithing or alterations...HKP-18775$59.95 -
H&K 91/G3 (7.62x51/.308) Vinyl Magazine Pouch - Surplus
H&K Heckler & Koch
$4.95Green Vinyl Plastic Double HKG3 Rubberized Magazine Pouch - Surplus This mag pouch is German military surplus, and it is compatible with all HK G3, 91, and PTR Style 20-round mags.HKP-01941$4.95 -
H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED
H&K Heckler & Koch
$29.95H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED Enhance your H&K firearm with this authentic contract housing, featuring a 3-position pictogram (S, U, O) for versatile fire control...HKP-19912$29.95 -
HKP HK MP5, SP5 Handguard - OD Green
HKP HK Parts
$39.95HKP HK MP5, SP5 Handguard - OD Green New USA MP5 O.D green handguard is also known as the tropical wide forearm. Now you can further customize your MP5/ SP5 with this new color grip and, best of all, it counts as 1 U.S complaint part for the 922r. This...HKP-20593$39.95 -
HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug
HKP HK Parts
$109.95HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This muzzle brake doesn't require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels...HKP-20323$109.95 -
Zenith 30 Round HK MP5 Magazine
Zenith
$48.95Zenith 30 Round HK MP5 Magazine Features: Cerakote finish - Many colors to choose from All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed lips High-tensile compression...HKP-20832-M$48.95 -
Cartridge Case Deflector, Shell Deflector - MP5, MP5K - Billet
HKP HK Parts
$14.95Cartridge Case Deflector, Shell Deflector - MP5, MP5K - Billet New US made case deflector for receiver flat or receiver for all MP5, HK94, MP5K, & SP89 builds. The case deflector is riveted or welded in place on the ejection port of the 9mm receiver...HKP-17574$14.95