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 Trigger Pack Sear/Catch - Surplus
H&K Heckler & Koch
$12.95Sear/Catch Complete For HK 90 Series Trigger Packs - German HK - Used German HK Sear/Catch complete with installed detent, spring and roll pin. Used surplus in VG-EXC shape and in perfect working order and complete. This item is an absolute bargain at...HKP-18304$12.95 -
Sale
HKP 3-Slot Medium Rail Optic Mount, Universal
HKP HK Parts
Now: $8.95Was: $14.95HKP 3-Slot Medium Rail Optic Mount, Universal Universal Picatinny mount rail riser for any firearm featuring a Picatinny top rail. Compatible With: MP5/SP5 with UTG handguard (factory sights are perfectly viewable through riser aperture) MP5K/SP5K...HKP-15330Now: $8.95Was: $14.95 -
HKP HK VP9 Leupold Delta Point Pro Optics Plate #4
HKP HK Parts
$29.95 - $39.95HKP/H&K VP9 9mm Leupold Delta Point Pro Optics Plate #4 The finest aluminum mounting solution for your HK VP9 series optic ready model. Each plate is CNC machined from a solid billet of ordnance grade aluminum, deburred, tumbled and Cerakoted for the...HKP-20070$29.95 - $39.95 -
HKP HK VP9 Optics Plate #12 - AimPoint ACRO Optic Mount
HKP HK Parts
$49.95HK VP9 Series Optics Ready #12 - Aimpoint ACRO - 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 ordnance...HKP-20030$49.95 -
Lazy Wolf VP Series F3 Full Flat Face Trigger - Red
Lazy Wolf
$134.95Lazy Wolf VP Series F3 Full Flat Face Trigger - Red In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the finest trigger ever developed after more than...HKP-18803$134.95 -
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 -
Out Of Stock
B&T HK MP5/MP5K Quick Detach Muzzle Brake - 3-Lug
B&T Brugger & Thomet
$139.95B&T HK MP5/MP5K Quick Detach Muzzle Brake - 3-Lug B&T has supplied products to L.E. & Military units the world over. This is new Swiss manufacture. Specifications: Diameter 31 mm Length 73 mm Steel QPQ Treated Quick Detach Compatible...HKP-16898$139.95 -
HKP HK 91/G3 (7.62x51/.308) Handguard - M-LOK
HKP HK Parts
$159.95 - $169.95HK G3, HK91 & PTR Low Profile M-LOK Forearm 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-17265-M$159.95 - $169.95 -
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 -
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 +2 HK 45C Finger Rest Magazine Extension - Black
HKP HK Parts
$29.95HK45C 8 Round Magazine +2 Magazine Extension/Finger Rest All 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 Cocking Handle Spring
HKP HK Parts
$3.95HKP Cocking Handle Spring The cocking handle spring is an item that is prone to wear and tear and should be replaced every so often. When installing a new cocking handle or when the spring is removed during scheduled servicing of the firearm...HKP-02465$3.95 -
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 Full Auto Trigger Pack Elbow Spring With Roller
H&K Heckler & Koch
$4.95H&K Full Auto Trigger Pack Elbow Spring With Roller Used- Good shape. This item is a factory HK German replacement part.HKP-16241$4.95 -
H&K/HKP 22 Round HK USP45/Mark 23 .45 Complete Magazine
H&K / HK Parts
$149.95Mark 23/USP .45 - 22 Round Magazine Complete HK Parts takes an existing 12 round mag the +10 mag extension and assembles them into a working 22 round magazine. This offering is a valuable option for those that need a backup ultra capacity magazine...HKP-21372-M$149.95 -
HK Parts Decal Sticker - Classic Style
HKP HK Parts
$1.50HK Parts Decal Sticker - Classic Style Perfect addition to your safe, vehicle, motorcycle, boat, or just about any place. Available in black and white.HKP-18652$1.50 -
HKP HK VP9SK/P30SK Magazine Pinky Rest
HKP HK Parts
$22.95HKP HK VP9SK/P30SK Magazine Pinky Rest This machined floorplate allows the user to quickly swap the floorplate to add a finger rest for the pinky on a standard VP9SK & P30SK 10-round magazine. Why settle for cheap plastic or 3D-printed...HKP-17853-M$22.95 -
HKP MP5 & MP5K 9mm Extractor - Enhanced
HKP HK Parts
$39.95HK MP5, MP5K 9mm Extractor - USA - Latest Generation Style HKPARTS offers the finest US-made HK 9mm "F" Type Extractor for all HK MP5/94 bolt heads. CNC'ed from a solid billet of an enhanced ordnance grade steel for superior function & durability...HKP-01968$39.95 -
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 -
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 -
Sale
H&K 12 Round HK VP9SK/P30SK 9mm Magazine w/ Finger Rest
H&K / HK Parts
$49.00 - $69.95HK VP9SK & P30SK 9mm - 12 Round Magazine With Finger Rest This magazine has the same footprint, size, and overall length as the factory 10-round mag with pinky rest, only this offering gives you an extra two rounds. A must-have and neat upgrade for...HKP-21078-M$49.00 - $69.95 -
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 -
HK UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY
$34.95UMP 45 25 Round Magazine Body Only - USA Made New US made UMP .45 cal 25 Round Factory Mag Body. Each magazine body will fit all HK UMP factory firearms as well as the HK USC's that have been converted to accept UMP magazines. Each magazine is made in...HKP-17020$34.95 -
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 G36C Rear Stock - Black
$106.99HKP G36C Rear Stock HK G36C 9.5" rear stock assembly. One full inch shorter than the standard G36/G36K stock. Each G36C stock is compatible with all G36 variants. This is the preferred stock for average height end users. Compatible...HKP-18218$106.99 -
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 -
Comp-Tac HK VP9/VP9L/Match International RH Holster - Black
Comp-Tac
$79.95Comp-Tac HK VP9/VP9L/Match International RH 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-20011$79.95 -
HKP 9mm 3-Lug Adapter - Threaded 13.5x1 LH
HKP HK Parts
$49.95HKP 9mm 3-Lug Adapter - Threaded 13.5x1 LH The HK Parts 3-Lug Adapter is internally threaded in 13.5x1 left hand. Our adapter allows the attachment of common 3-lug accessories: flash hiders, compensators, suppressors, etc. This is the finest machined HK...HKP-17410$49.95 -
HKP 9mm Enhanced Texas Style Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$19.95HKP 9mm Enhanced Texas Style Thread Protector - Threaded 13.5x1 LH This enhanced thread protector, made from stainless steel in a 13.5x1 LH thread, is designed to fit over and protect the crown of any threaded barrel. Its unique design offers added...HKP-17978$19.95 -
Out Of Stock
HKP MP5 RMR Rear Site Optic Mount
HKP HK Parts
$97.95HK MP5- RMR Optic Mount: The mounting solution to properly mount your RMR directly to the rear sight base on an MP5 or any other receiver that utilizes the same style rear sight base. The mount is the perfect height to co-witness your RMR with your...HKP-20506$97.95 -
HKP MP5, MP5K, 94 & SP89 Firing Pin-Titanium
HKP HK Parts
$49.95HKP MP5, MP5K, 94 & SP89 Firing Pin-Titanium Grade 6 Titanium firing pin. Each was made using the factory HK specifications from original HK German blueprints. This is the finest US made Titanium firing pin available anywhere, at any price. Built to...HKP-17601$49.95 -
Shooting Sight HK MP5, HK 91/93/94, HK G3 & Clones Heckfire 2-Stage Trigger
$399.95Heckfire trigger for MP-5, HK 91/93/94, G3, Clones 2-stage trigger with around 5lb total pull. Drop-in to all lowers. The updated selector levers work for all lowers (you no longer need to tell us if it is an SEF or an AMBI lower) and they cover...HKP-20173$399.95 -
H&K Grip Screw & Washer
H&K Heckler & Koch
$1.49H&K Grip Screw & Washer This is a surplus factory HK German part that is now out of production. Great to have as a spare and the cheapest price on the planet. Compatible With: G3 HK91 HK93 HK94 SP89 Other HK metal framed lowers with plastic...HKP-16335$1.49 -
RCM HK VP9 9mm Tactical Barrel - Threaded 1/2x28
RCM
$225.00RCM HK VP9 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded barrel available for the HK VP9 9mm pistol, perfect as...HKP-16849$225.00 -
H&K HK USP/USPC Match Hammer
H&K Heckler & Koch
$75.95HK Match Hammer This is the factory-correct match hammer marked with the factory-correct "S" marking on the left-hand side of the hammer. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W...HKP-02602$75.95 -
Out Of Stock
B&T HK MP5, SP5 Telescopic Brace
B&T Brugger & Thomet
$539.95B&T HK MP5, SP5 Telescopic Brace B&T's telescopic retractable 5-position brace assembly for Heckler & Koch models, MP5, SP5 and HK94 and clones. Installs using existing push pins, no modification required for installation. Compatible...HKP-19504$539.95 -
F5 MFG 50 Round MP5 9mm Drum Magazine
F5 MFG
$199.00F5 MFG 50 Round MP5 9mm Drum Magazine HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum Magazine designed for...HKP-16537$199.00 -
H&K HK SL8, HK G36 Extended Mag Release
H&K Heckler & Koch
$49.95HK SL8 & G36 Oversized Extended Mag Release New 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 -
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 HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter
HKP HK Parts
$129.95HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter Our rail stock adapter allows you to attach any 1913 Style Stock, Brace to your MP5K.The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many traditional stock setups...HKP-21385-M$129.95