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 10 Round HK P2000SK 9mm Magazine - Red Follower
H&K Heckler & Koch
$55.95HK P2000 SK 9mm - 10 Round Magazine with Finger Rest - Red Follower HK German manufacture and factory fresh production. Each factory HK all-steel-bodied magazine holds 10 rounds of 9mm ammunition. Compatible With: HK P2000SKHKP-21432$55.95 -
Out Of Stock
H&K Enhanced Buffer Tube
H&K Heckler & Koch
$199.95FDE HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German manufactured 416 & MR556 latest generation, marine environment & over the beach buffer tube. Each commercial buffer tube has built in drainage...HKP-18499$199.95 -
H&K HK 416 Factory Retractable Stock - Black
H&K Heckler & Koch
$129.95HK 416 & AR15 6 Position Retractable Stock New HK Marked 6 position AR15 commercial stock. This stock fits all commercial AR-15/M16 buffer tubes. The stock telescopes expands and retracts to 6 locked positions. Marked with the HK logo and...HKP-00049$129.95 -
H&K HK HK33 Slimline Forearm - Black
H&K Heckler & Koch
$59.95H&K HK HK33 Slimline Forearm - Black Used German military surplus black cerakote slimline forearm cut down to fit the HK33. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible With: HK33 HK...HKP-20273$59.95 -
H&K HK Mark 23 Complete Rod Assembly w/ Recoil Spring
H&K Heckler & Koch
$113.95HK Mark 23 Complete Rod Assembly w/ Recoil Spring This part is ideal to keep as a spare as this is a common repair and replacement item.HKP-01671$113.95 -
H&K HK MR556/416 Bolt Carrier
H&K Heckler & Koch
$397.95German HK MR556 & HK 416 Factory Bolt Carrier With The Newer Style Bolt Retaining Key This is the factory one-piece carrier that has the out-of-battery disconnect and the bolt retaining latch assemblies installed to make up the HK...HKP-02718$397.95 -
H&K HK MR556/416 Right or Left Side Safety Selector
H&K Heckler & Koch
$39.95HK German MR 556 & HK 416 Safety Lever- Right Or Left Side: HK German manufactured right or left side selector lever for the ambidextrous controls of the HK 416, MR556 family of firearms. It will work for both semi and select-fire models. Each set...HKP-15250$39.95 -
H&K HK MR556/416 Threaded Pin for Buttstock Insert
H&K Heckler & Koch
$4.95HK MR556, HK416 Threaded Pin For E1/E2 buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock when in desired position. Compatible With: HK MR556 HK 416HKP-16604$4.95 -
H&K HK MR556/MR762/416/417 Disconnector
H&K Heckler & Koch
$18.95HK German HK416, MR556, MR762, & HK417 Disconnector For Lower New HK German manufactured part. This is the latest generation of HK disconnector for the HK MR and HK 416/417 family of firearms. Please Note: HK has changed the design of this part at...HKP-02674$18.95 -
H&K HK USP 9mm Incomplete Slide
H&K Heckler & Koch
$329.95H&K HK USP 9mm Incomplete Slide New HK German factory USP 9mm slide incomplete. Date coded & marked with the laser engraved "HK" logo. Compatible With: HK USP 9mm & USP .40 lower frameHKP-17722$329.95 -
H&K/HKP 19 Round HK VP9SK/P30SK Magazine Complete - Black
$89.9510 Round Magazine with Black +7 Extension - 9mm - HK VP9SK & P30SK Drop-in magazine ready to go! HK Parts takes an existing 10 round magazine a +7 magazine extension and a 17 round mag follower from conversion kits to assemble them into a working 19...HKP-20060$89.95 -
HK 91/G3 (7.62x51/.308) Bolt Head Complete - US Made
$149.95Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible With: HK 91 HK G3 PTR-91 SAR3/8 Other HK .308 Clones or...HKP-00839$149.95 -
HKP HK MR556/CR556/MR762 H-Key 8 Rail Segment
HKP HK Parts
$29.95HK MR556, CR556 & MR762 HKey Rail Segment - 8 Slot 8 slot picatinny rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and...HKP-17844$29.95 -
On Sale
HKP HK UMP G36 Curved Trigger
HKP HK Parts
Now: $79.95Was: $99.95HKP HK UMP & USC - Curved Trigger With our new curved trigger, you will improve the aesthetics of your firearm. Our curved trigger has spaced-out serrations at the face of the trigger for a far superior grip. Each trigger counts as one US-made...HKP-21126-MNow: $79.95Was: $99.95 -
HKP HK VP9SK Stand Off Device -Black
HKP HK Parts
$109.95HK VP9SK Stand-Off Device Fits only the HK VP9SK The VP9SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger). The ulimate component for close...HKP-19118$109.95 -
HKP MP5 Stock Adapter - Black
HKP HK Parts
$149.95HKP MP5 Stock Adapter - Black Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your valuable firearm...HKP-20677$149.95 -
HKP MP5K/SP89/SP5K 9mm AR/M4 Adapter & Stock Assembly
HKP HK Parts
$229.95HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock adapter...HKP-17175$229.95 -
HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set
HKP HK Parts
$129.95HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set Specifications: Construction: Hard Coated Titanium Color: Matte Black Weight: 1.7 oz. Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse stretch builds, clones, or other custom buildsHKP-00184$129.95 -
On Sale
HKP Sig Sauer P320 M17 Compensator - Black
HKP HK Parts
Now: $149.95Was: $189.95HKP SIG P320 M17 Compensator - Black Our P320 M17 compensator reduces recoil and muzzle flip. Each unit is 100% US-made and finished in durable black cerakote. Our M17 compensator features a Picatinny rail to mount lights and lasers. Compatible...HKP-21123Now: $149.95Was: $189.95 -
On Sale
Meprolight Glock Tru-dot Front Sight
Meprolight
Now: $22.95Was: $49.95Meprolight- Tru-dot Front Sight - Glock Models Compatible With: G17/19/20/21/22/23/34 Meprolight combat-proven self-illuminated adjustable night sights enable you to upgrade your capabilities to hit stationary or moving targets under low-light...HKP-20314Now: $22.95Was: $49.95 -
Meprolight HK VP9/45/P30 Night Sight Set
Meprolight
$99.99Meprolight HK VP9, 45, & P30 Night Sight Set Bright & Tough Night Sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same speed as...HKP-02225$99.99 -
MI Pistol Brace Compatible Side Folder
MI Midwest Industries
$129.95MI Pistol Brace Compatible Side Folder For use with Gear Head Works Tailhook Pistol Brace Features: Made in the USA Heavy duty side folding mechanism constructed from 4140 steel Full length locking lug for maximum strength. Solid positive...HKP-19959$129.95 -
RCM HK Mark 23 .45 ACP Barrel - Non-Threaded
RCM
$270.00RCM HK Mark 23 .45 ACP Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished inside and out with an ultra-desirable nitride coating. This is the finest replacement barrel available for the HK Mark...HKP-16561$270.00 -
Strike Industries HK MP5K Dual Folding Stock with Adapter
Strike Industries / HKP
$319.95Strike Industries Dual Folding Stock with HKP MP5K Adapter The Strike Dual Folding Adapter paired with our MP5K picatinny adapter is one of the best options on the market for those looking for weight reduction and a compact configuration. Multiple QD...HKP-21428$319.95 -
Surefire 12-Pack 123A Batteries
Surefire
$29.95Surefire 12-Pack 123A Batteries Made in the USA and the "gold standard" in battery performance. These are the best performance, longest lasting 123 batteries available. The price is for a box of 12 new batteries. Ideal for use with lasers, lights,...HKP-02711$29.95 -
Talon Grip HK VP9, VP40 Rubber - Medium - Black
Talon Grip
$19.99TALON Grip - H&K VP9, VP40 - Rubber Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20246$19.99 -
Timney Triggers MP5 9mm 2-Stage Trigger
Timney Triggers
$489.95Timney Trigger for MP5 9mm The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. This offering comes complete with a Factory German...HKP-20507$489.95 -
Trijicon HK USPC HD Night Sight - Yellow/Green
Trijicon
$159.00Trijicon HK USPC HD Night Sight - Yellow/Green The three-dot green tritium night sight set front sight features a taller blade and an aiming point ringed in photoluminescent paint, while the rear sight is outlined in black and features a wider U-shaped...HKP-14544$159.00 -
Comp-Tac HK P30/30L/45/45C MTAC RH Holster - Black
Comp-Tac
$94.95HK P30, P30L, HK45, HK45C MTAC Holster - Right Hand The MTAC is an inside the waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster offers the best in comfort and speed...HKP-17476$94.95 -
Comp-Tac HK VP9/OR International Button Comp Carry Holster
Comp-Tac
$79.95Comp-Tac HK VP9/OR International Button Comp Carry Holster At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight installed. Manufactured by the best...HKP-20053-M$79.95 -
F5 MFG HK MP5 .22LR Modular Stock System - Black
F5 MFG
$349.95Modular Stock System with MP5 .22 Adapter Features: HK MP5 22 compatible adapter 6061 AL and nylon 6/6 polymer construction Integrated locking hinge Adjustable cheekwell 7 adjustable length positions 3in length of pullHKP-20196$349.95 -
H&K / HKP 14 Round HK VP9SK Magazine – Red
H&K / HK Parts
$69.95HK VP9SK & P30SK 9mm – 14 Round Magazine New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +2 magazine extension installed & ready to use. This magazine has the same...HKP-20889$69.95 -
H&K 93/53/33 (5.56/.223) Backplate - Painted
H&K Heckler & Koch
$69.95Steel Back Plate For HK93, 33, 53 & MP5, 94- Painted HK Black HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly painted HK Black. Manufactured from German HK backplates with factory tooling...HKP-16254$69.95 -
H&K HK 416/MR556 Trigger Guard Assembly
H&K Heckler & Koch
$54.95HK MR556 & HK 416 Trigger Guard Assembly New HK German part that protects the trigger from an accidental discharge. Compatible With: HK 416 HK MR556HKP-02545$54.95 -
H&K HK G36/SL8 Extractor
H&K Heckler & Koch
$79.95G36 & HK SL8 German Extractor For Bolt Head New HK German. This is a great item to keep as a spare. Compatible With: All G36 Variants SL8-1, SL8-6HKP-00287$79.95 -
H&K HK MR556/416/G36 Cleaning Kit
H&K Heckler & Koch
$79.95HK Factory German G36, HK416, & MR556 Complete Cleaning Kit Each kit includes the following parts: Saf-T-Clad cleaning rod Accessory adapter section #8-32 Patch holder Chamber cleaning brush Bore cleaning brush Double-ended utility brush Formula 3...HKP-00035$79.95 -
H&K HK MR762/417 Magazine Catch Spring
H&K Heckler & Koch
$9.95HK MR762, HK 417 Magazine Catch Spring New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK MR762 HK 417 HK G28HKP-16520$9.95 -
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring
H&K Heckler & Koch
$9.95H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring Trigger Spring For All HK UMP & G36 LowersHKP-01864$9.95 -
HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black
USA
$79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston - Black Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it...HKP-14540$79.95 -
HK HK91, G3, SAR8 Target Solid Wood Stock Section
$44.95HK HK91, G3, SAR8 Target Solid Wood Stock Section Unknown manufacture solid wood stock section incomplete. The wood is solid and beautifully made. We are not sure where they came from or who made them this was a warehouse find and one time deal. Perfect...HKP-19512$44.95