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 VP9/VP9SK, VP40 Enhanced Slide Cap - Red
HKP HK Parts
$29.95Enhanced Slide Plate Cover VP9, VP9SK & VP40 - HK Red Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model covers has no firing pin viewing window and is enlarged as MUCH as possible to seal the firearm from dirt and debris. That can enter...HKP-17857$29.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Stock Axle Pin
H&K Heckler & Koch
$30.95HK German UMP Rear Stock Axle Pin This is the HK factory German rear stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those that are doing the USC to UMP conversion. This is required to attach the stock to the...HKP-00604$30.95 -
HKP HK P2000 Compensator
HKP HK Parts
$189.95HKP HK P2000 Compensator The HK Parts P2000 compensator will add a sleek and tactical look to your P2000. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore allows you...HKP-20877$189.95 -
HKP/H&K P2000/USPC 18 Round Complete Magazine With Extension
H&K / HK Parts
$79.95HKP/H&K P2000/USPC 18 Round Complete Magazine With Extension HK P2000 +5 magazine extension coupled with a new full-size HK P2000, 13 round magazine. Each unit is then fully assembled as an 18 round HK P2000 magazine. Ideal for competitive shooters,...HKP-18662-M$79.95 -
On Sale
SB Tactical FS1913 Folding Pistol Stabilizing Brace - Black
SB Tactical
Now: $207.95Was: $260.99SB Tactical FS1913 Folding Pistol Stabilizing Brace - Black A low-profile, left side-folding, strut design compatible with all platforms utilizing an M1913 interface at the rear of the receiver. The FS1913 is a complete assembly offering pull-through...HKP-19132Now: $207.95Was: $260.99 -
B&T 25 Round BT APC45 45 ACP Magazine - Black
B&T Brugger & Thomet
$129.95B&T, Magazine, 45 ACP, 25 Rounds, Fits B&T APC45, Black B&T's APC45 replacement magazines are the same straight-body stick mags that ship with new B&T firearms. These high quality factory magazines hold 25 rounds of .45ACP ammunition...HKP-17438$129.95 -
On Sale
HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel
HKP HK Parts
Now: $99.95Was: $169.95HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel Made specifically for the VP9 Tactical or VP9 with Threaded barrel - Version 2. Version 2 has the weight reduction cut-out located in the front (as seen in the photos). Besides this V1 and V2...HKP-19470Now: $99.95Was: $169.95 -
HKP HK VP9 Optics Plate #10 - Sig Romeo 1 PRO Optic Mount
HKP HK Parts
$49.95HK VP9 Series Optics Ready #10 - Sig Romeo 1 PRO - 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-20028$49.95 -
Out Of Stock
B&T HK MP5SD 9mm Barrel - Threaded 18x1 RH
B&T Brugger & Thomet
$449.95B&T HK MP5SD 9mm Barrel - Threaded 18x1 RH New from B&T Switzerland, this cold hammer forged (CHF), ported, and nitrided barrel is designed to meet factory HK specifications exclusively for MP5SD models. With a long-standing relationship with...HKP-17957$449.95 -
H&K HK MR762/417/G28 Adjustable Buttstock Set - Black
H&K Heckler & Koch
$599.95HK G28 Fully Adjustable Stock For The MR762 & HK 417, G28 - Black The hard to find elusive HK G28 adjustable stock kit complete with the upgraded parts needed to convert a stock MR762 or HK417 to allow this stock system to be used. New HK German...HKP-16761$599.95 -
HKP HK MP5 Navy Binary Trigger Group - Engraved
FA Franklin Armory / HKP
$1,039.95HKP HK MP5 Navy Binary Trigger Group - Engraved 3 Position Navy style Engraved Pictograph– HK Binary Trigger Group Our latest and greatest binary trigger group freshly delivered with a factory HK German housing that was professionally engraved and...HKP-21000-M$1,039.95 -
HKP Roller +7 - New - 8.07mm
HKP HK Parts
$8.99Roller +7 - New - 8.07mm HK Parts Standard (8.07 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-19442$8.99 -
B&T MP5K/SP89/SP5K 9mm Tri-Rail Handguard
B&T Brugger & Thomet
$254.95B&T MP5K/SP89/SP5K 9mm Tri-Rail Handguard B&T Tri-Rail Handguard For HK MP5K, SP89, MP5K-N, MP5K-PDW Compatible With: All MP5K, SP5K, SP89 Specifications: Color: Black Height max: 48.4 mm Length max: 86 mm Length of right rail: 82 mm Length of...HKP-16889$254.95 -
H&K 12 Round HK P2000/USPC .40 S&W Floor Plate - Black
H&K Heckler & Koch
$23.95HK USP Compact/ P2000 .40 12 Round Floor Plate Flat - Low Profile Compatible With: HK USP Compact 40 S&W 12 Round Magazine HK USP Compact 357 SIG 12 Round Magazine HK P2000 40 S&W 12 Round MagazineHKP-01435$23.95 -
H&K Ambidextrous Selector Lever - Right Side
H&K Heckler & Koch
$89.95H&K Ambidextrous Selector Lever - Right Side This is the right-side selector of the ambidextrous trigger packs. This part will only work on ambidextrous style or pictogram style housing and trigger packs. New HK German manufactured. Compatible...HKP-00127$89.95 -
H&K HK SL8, HK G36 Extended Mag Release
H&K Heckler & Koch
$19.95HK 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$19.95 -
MI HK MP5 Top Rail - Black
MI Midwest Industries
$159.95MI HK MP5 Top Rail - Black New Midwest Industries Picatinny and M-lok top rail for MP5, HK94 style weapons and clones. An amazing profile option for your MP5 style weapon. Offers a combination of strength, adaptability and extreme lightweight features...HKP-19112$159.95 -
MM HK 33/91/93/G3 5.56/.223 & 7.62x51/.308 Clubfoot With Heavy Rubber Buttpad
Michaels Machines
$229.95US-Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad Fits all HK 91/G3/21/23 and HK93/33/53 backplates and buffers. Just add your buffer and backplate and you are good to go. Great replacement or upgrade for your HK...HKP-01144$229.95 -
RCM HK USP .45 ACP Tactical Barrel - Threaded .578x28 RH
RCM
$270.00RCM HK USP .45 ACP Tactical Barrel - Threaded .578x28 RH HK USP .45 & USP .45 Tactical threaded barrel compatible with various flash hiders and sound suppressors. Unlike the factory USP .45 Tactical barrel, which uses a less common metric 16x1 left...HKP-17447$270.00 -
H&K 10 Round HK Mark 23/SOCOM .45 ACP Magazine - Black
H&K Heckler & Koch
$59.00HK Mark23 SOCOM 10 Round Magazine Fits all HK Mark 23 and or Socom pistols.HKP-01226$59.00 -
HKP 9mm Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP 9mm Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on in spec...HKP-20170$99.95 -
On Sale
HKP Glock 17 Gen 5 Comp Weight™ Compensator - Black
HKP HK Parts
Now: $119.95Was: $143.95HKP Glock 17 Gen 5 Comp Weight™ Compensator - Black The perfect addition to your Glock 17 firearm with our low profile, aggressive Comp Weight™ that flows with the lines of the firearm for a seamless addition. The Glock 17 Comp Weight™...HKP-18840Now: $119.95Was: $143.95 -
Out Of Stock
HKP MP5 & HK94 9mm Trigger Group 2 Position Navy Housing 0,1 - Safe, Semi Only
HKP HK Parts
$549.95HKP MP5 & HK94 9mm Trigger Group 2 Position Navy Housing 0,1 - Safe, Semi Only Finally, a lower cost alternative to the hard to find German HK FBI or 0,1 ambidextrous trigger groups. Now, for the first time, we have the popular ambidextrous trigger...HKP-17238$549.95 -
On Sale
HKP Sig Sauer P320-XTEN Compensator
HKP HK Parts
Now: $149.95Was: $189.95HKP Sig Sauer P320 X-Ten Compensator Our P320 X-Ten compensator reduces recoil and muzzle flip. Each unit is 100% US-made and finished in durable black cerakote. Our X-Ten compensator features a Picatinny rail to mount lights/lasers. Available...HKP-21190Now: $149.95Was: $189.95 -
Holosun HK VP9/VP9SK Direct Fit SCS Reflex Sight
Holosun
$359.95Holosun HK VP9 SCS-MOS Reflex Sight This solar charging sight is designed to attach directly to the slide without an adapter plate and uses an innovative solar charging system with multi-directional light sensors to automatically adjust brightness in...HKP-21336$359.95 -
H&K 9mm / .357 SIG Barrel Bore Brush
H&K Heckler & Koch
$1.95HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting bore...HKP-02760$1.95 -
H&K HK 416-A5 Enhanced Ambi Bolt Release
H&K Heckler & Koch
$84.95HK German Enhanced ambi 416 Bolt Release - HK 416 A5 The real deal HK German HK416A5 bolt release. Made from hardened steel.HKP-19463$84.95 -
H&K MP5/MP5K, HK SP5 & SP5K 100 Degree Locking Piece
H&K Heckler & Koch
$89.95H&K MP5,MP5K, HK SP5 & SP5K 100 Degree Locking Piece The MP5 100-degree locking piece is the factory-correct locking piece for all HK MP5 and MP5K style firearms. Compatible With: MP5, MP5 F, HK SP5 MP5K, MP5K-N HK94, SP89 & SP5K Clones or...HKP-00134$89.95 -
On 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 -
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 HK VP9 Magwell - Tactical Low Profile - Steel
HKP HK Parts
$59.95 - $74.95HKP HK VP9 Magwell - Tactical Low Profile - Steel Low profile, every day carry magwell for the HK VP9/VP40 pistol. The low profile mag-well is designed for the average every day VP owner. Whom would like the enhancements and competitive advantage a mag...HKP-18545-M$59.95 - $74.95 -
H&K HK USP/45/45C Ambidextrous Control Lever Set Roll Pin
H&K Heckler & Koch
$2.95HK USP, 45 & 45C Ambidextrous Control Lever Set Roll Pin This item is to hold the right side lever onto the left side axle lever. These can easily be lost or damaged. A great spare part to have on hand. Compatible With: HK USP Full...HKP-02394$2.95 -
H&K MP5 40/10 Ejector Lever
H&K Heckler & Koch
$38.74German HK MP5 40, MP5 10mm Ejector Lever Get the ejector that is tried and true and the best upgrade you can make with your HK MP5 40 or 10mm. This is the finest and only ejector that will work properly for any length of time. Original factory German HK...HKP-00412$38.74 -
HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - Used
HKP HK Parts
$9.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - Used Compatible with all metal HK grip frames. Please Note: The polymer (plastic) style SEF housing uses the longer axle SEF selector lever, not this product offering.HKP-00120$9.95 -
MKE PTR PDW Retractable Stock
MKE
$459.95MKE PTR PDW Retractable Stock A3 Factory new MKE stock professionally converted to fit PTR PDW rifles and pistols. This PTR PDW stock was modified with a heavy profile collapsing rod insert heat treated for longevity. The correct collapsing length on the...HKP-21376$459.95 -
SB Tactical, B&T HK MP5K, SP5K Swiss Folding Brace
SB Tactical, B&T Brugger & Thomet
$239.95Folding Brace - Swiss - B&T MP5K, SP5K Factory Swiss B&T MP5K, SP5K Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling swivel. Available...HKP-19356$239.95 -
H&K 91/G3 (7.62x51/.308) Cocking Handle - All Metal - Surplus
H&K Heckler & Koch
$8.49HK German HK G3 & HK 91 Older Style All Metal Cocking Handle Used German Military Surplus. No longer made or offered by HK. A genuine Heckler and Koch part. All steel cocking handle. Rare and hard to find. Compatible With: HK 91 HK G3 PTR-91 HK...HKP-16766$8.49 -
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 21 (7.62x51/.308) Extended Style Cocking Handle
HKP HK Parts
$69.95HK Extended Cocking Handle - HK21 Rubberized extended cocking handles for the older style HK21 firearms. This extended cocking handle makes a HUGE difference when trying to charge the HK21 firearm, as it has increased spring pressure and can be a pain to...HKP-00363$69.95 -
HKP HK MP5/MP5K 4-Piece Set Magazine Release
HKP HK Parts
$49.95HKP HK MP5/MP5K 4-Piece Set Magazine Release Each magazine catch set consists of 4 pieces and is a mixture of German HK and US-made parts. This is the set that provides left-to-right mag release controls. Each Set Includes: Mag catch Push button for mag...HKP-00912$49.95