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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Out Of Stock
H&K 93/53/33 (5.56/.223) Magazine Clamp
H&K Heckler & Koch
$107.95HK 93, HK 33 & HK 53 Magazine Clamp German HK dual mag clamp for all HK 93/33/53 magazines. Holds two magazines together for easy access and ease of use. Compatible With: HK93 HK33 HK53 Clones and other custom buildsHKP-00485$107.95 -
H&K HK MP5/MP5K Semi Auto Ambidextrous Trigger Pack
HK Parts, Heckler & Koch
$299.95H&K MP5/K 9mm Semi-Auto Ambidextrous Trigger Pack Each Trigger pack is fully assembled and ready to drop in your Ambi FBI, Navy pictogram housing. All parts are German HK with the exception of the trigger pack box and the 9mm ejector lever...HKP-19867$299.95 -
H&K HK MR556/MR762 Front Lower Receiver Locking Pin
H&K Heckler & Koch
$59.95HK MR556 Locking Pin With Spring Loaded Detent This part is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and improve...HKP-02663$59.95 -
H&K MP5 A4/A5 & MP5SD Operators Red Book
H&K Heckler & Koch
$18.95New HK German MP5A4, MP5A5, & MP5SD Operators Red BookHKP-02227$18.95 -
H&K MP5K/SP5K SEF Universal Housings - Clipped & Pinned - USED
H&K Heckler & Koch
$99.95H&K MP5K/SP5K SEF Universal Housings - Clipped & Pinned - USED Finally a solution everyone was looking for. A one size fits all approach for the MP5K and SP5K style semi-auto shelf. You can easily swap the lower trigger group assembly and install...HKP-21352$99.95 -
HK P2000SK .40 S&W To .357 SIG Conversion Barrel - Non-Threaded
RCM
$239.95HK P2000SK .40 S&W To .357 SIG Conversion Barrel - Non-Threaded This is a great spare or replacement barrel to have on hand. Also, a popular barrel to convert the P2000SK .40 S&W to .357 SIG. Specifications: P2000SK .40 S&W To .357 SIG...HKP-20581$239.95 -
HKP HK VP9SK EDC Tactical Magwell - Black
HKP HK Parts
$59.95HKP HK VP9SK EDC Tactical Magwell - Black Low profile, every day carry magwell for the HK VP9SK pistol. The low profile mag-well is designed for the average every day VP9SK owner. That would like the enhancements and competitive advantage a mag well...HKP-18164$59.95 -
HKP MP5 40/10 Magazine Follower
HKP HK Parts
$9.95HKP MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines. Also counts as one 922r compliant part.HKP-16506$9.95 -
PTR HK 91/G3 (7.62x51/.308) Complete Fixed Stock - Black
PTR
$199.95New HK91, G3, PTR-91 US-Made (PTR-91 Manufactured) Fixed Stock Made from all German & US-made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one US-compliant part for 922r compliance. This stock...HKP-00896$199.95 -
RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH
RCM
$264.95RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH Made by RCM to the highest tolerances and finest material available. Perfect for that HK build or to replace that shot-out barrel. Each barrel counts as 1 US-compliant part as a bonus. These are...HKP-01136$264.95 -
Trijicon HK USPC HD Night Sight - Orange/Green
Trijicon
$152.95Trijicon HK USPC HD Night Sight - Orange/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-14534$152.95 -
On Sale
Troy Industries 30 Round M16/AR-15 Battle Magazine - Black
Troy Industries
Now: $9.95Was: $13.99Troy Industries 30 Round M16/AR-15 Battle Magazine - Black Troy Battle Magazine featuring a slick polymer textured design for smooth operation. Also comes with a free interchangeable pull tab ($5 value) for those that want the "pull" feature. Compatible...HKP-15489Now: $9.95Was: $13.99 -
XS Sight Systems Front Night Sight
XS Sight Systems
$92.99XS Sights - Night Sight Front Sight Post - Standard Dot Size This part works wonders in low-light situations and tactical environments. This is simply the best front-sight post you can get for your HK. Because of the reach of the MP5 and sight...HKP-02066$92.99 -
On Sale
AR-15 Ambidextrous Sling End Plate, Universal
USA
Now: $9.95Was: $13.95AR-15 Ambidextrous Sling End Plate, Universal Made in the USA out of ordnance grade steel. Compatible With: AR15 M5 Other AR buffer tube style buildsHKP-15333Now: $9.95Was: $13.95 -
H&K HK 45/45C Trigger Rebound Spring
H&K Heckler & Koch
$8.95HK45 Trigger Rebound Spring This part is also known as the trigger return spring. Compatible With: HK45 HK Tactical HK45 Compact HK45 Compact TacticalHKP-01812$8.95 -
H&K HK MR762/MR556/HK416 Rail Cover Set - Black
H&K Heckler & Koch
$69.95HK MR762 Quad Rail Picatinny Rail Handguard Cover Set - 3 Rails Per Set Brand new Heckler & Koch Picatinny rail covers made of high impact HK polymer. Each rail is equipped with a quick release tab & marked with the HK logo. Compatible...HKP-17704$69.95 -
H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black
H&K Heckler & Koch
$19.95H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black New HK VP series German left side slide release lever for slide. Compatible With: HK VP9, VP9L HK VP9SK HK VP40HKP-16787$19.95 -
H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$99.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...HKP-19850$99.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear
H&K Heckler & Koch
$19.95HK Complete Sear G36, UMP, USC & SL8 Genuine German Heckler & Koch part. Compatible With: HK UMP HK USC HK G36 HK SL8HKP-01850$19.95 -
HK VP9 Optics Plate #5 Fastfire
HKP HK Parts
$49.95Optics Plate #5 Fastfire - USA - Steel HK VP9 Compatible With: Burris Fastfire 2 & 3 and Vortex Viper and Venom & ADE Advanced RD3-015 HK VP9 OR, VP9 Tactical OR HK VP9L OR HK VP9 Match OR VP9SK OR **Plate Only works with VP9 pistols with...HKP-19544$49.95 -
HKP HK G3, HK 33, HK 93, PTR Front Sight Tower Assembly
HKP HK Parts
$49.87HKP HK G3, HK 33, HK 93, PTR Front Sight Tower Assembly New US made from a solid billet of ordnance grade steel. Each front sight tower, triple frame set comes complete with a new HK diopter style replaceable front sight post & roll pin. This is the...HKP-17830$49.87 -
HKP HK P30 Railok™ Compensator - Black
HKP HK Parts
$189.95HK Parts Railok™ Compensator: H&K P30 The HK Parts Railok™ compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker...HKP-21110$189.95 -
HKP Single Point Sling - Quick Detach - Tan
NcSTAR
$29.95HKP Single Point Sling in Tan - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...HKP-19766$29.95 -
On Sale
Hogue HandALL Universal Short Grip JR
Hogue
Now: $4.95Was: $11.95Hogue HandALL Universal Short Grip JR The rubber grip hugs the contours of your gun. Features proportioned finger grooves, cobblestone texture, non-slip surface, and ambidextrous palm swells. Installs with no lubrication. Hogue's HandALL Jr Universal...HKP-02553Now: $4.95Was: $11.95 -
Meprolight HK P7M8/P7M10/P7M13 Night Sights
Meprolight
$99.99Meprolight P7M8, P7M13, & P7M10 Night Sight Front & Rear Set Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination...HKP-01905$99.99 -
SB Tactical AR-15 5 Position Adjustable Stabilizing Brace
SB Tactical
$99.99SBA3 - 5 Position Adjustable Stabilizing Brace - AR15 Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is a 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an...HKP-18646$99.99 -
SB Tactical HK UMP Side Folding Pistol Stabilizing Brace - Black
SB Tactical
$74.95SB Tactical HK UMP Side Folding Pistol Stabilizing Brace - Black A skeletonized version of the SBT Pistol Stabilizing Brace, the SBTi enhances your B&T APC or HK UMP with an integral, side-folding mechanism. The SBTi variant also allows you to...HKP-19133$74.95 -
Out Of Stock
B&T HK 91/G3 (7.62x51/.308) Low Profile Mount - Extended
B&T Brugger & Thomet
$199.95B&T Mounting Rail Low Profile Mount for HK G3, Long Extended Version Low profile rail that allows the use of iron sights while installed. Specifications: Color: Black Height max: 30.7 mm Length max: 220 mm Material: Aluminum NATO Accessory Rails:...HKP-16873$199.95 -
Choate HK MP5 QD End Cap with Buffer - Black
HKP HK Parts
$99.95Quick Detach Steel End Cap With Replaceable Rubber Buffer - HK MP5 With this MP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft...HKP-20118$99.95 -
Comp-Tac HK USP Full Size International Holster
Comp-Tac
$79.95 - $80.95Comp-Tac HK USP Full Size International Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for competition shooting,...HKP-20294-M$79.95 - $80.95 -
H&K MP5,94 & 93,33 Fixed Wood Stock
H&K Heckler & Koch
$399.95H&K MP5,94 & 93,33 Fixed Wood Stock Never before has there been a commercially available wooden stock for the HK 93 & MP5 series of firearms. The wood stock is a factory surplus walnut stock incorporated with the factory 93/33 buffer assembly...HKP-16328$399.95 -
H&K 17 Round HK VP9 Magazine Floor Plate
H&K Heckler & Koch
$8.95Rubberized Floor Plate - 17 Round Magazine - HK VP9 HK German rubberized factory floor plate. This was made to be used specifically for the New VP9 17 Round Magazine.HKP-19321$8.95 -
H&K HK G3, 91, PTR Bolt Head Complete - LIKE NEW
H&K Heckler & Koch
$179.95German HK G3 & HK 91 & PTR Bolt Head Complete - Used German "ID" Date Coded Made on HK tooling & prints in Germany in 1983. Each used bolt head is complete with all parts installed & 100% functional. Taken from live demilled German HK G3...HKP-20227$179.95 -
H&K HK MR556/MR762/416/417 V1 Battle Grip - Black
H&K Heckler & Koch
$79.95H&K 416/417 & MR556/762 V1 Battle Grip - Black This is a great upgrade for any AR15, M16/416 platform. New factory German HK manufacture. Compatible With: HK 416/MR556 HK 417/MR762 HK M27 HK G28 AR-15, M4, & M16 PlatformsHKP-01023$79.95 -
H&K HK UMP, HK USC Lower Axle
H&K Heckler & Koch
$9.95HK UMP & USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.HKP-19383$9.95 -
H&K HK VP9/VP9SK, HK VP40 Complete Trigger Bar Form Spring
H&K Heckler & Koch
$49.95H&K HK VP9/VP9SK, HK VP40 Complete Trigger Bar Form Spring Compatible With: HK VP9 HK VP9SK HK VP40HKP-16781$49.95 -
H&K MP5SD 9mm Locking Piece
H&K Heckler & Koch
$179.95HK German MP5SD Factory Locking Piece MP5 "action" SD locking piece is the current factory-correct locking piece for the MP5SD. For optimal results, use the action 3 or F bolt head for the most reliable feeding and extraction. These upgrades work...HKP-00135$179.95 -
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Buttstock Locking Piece
H&K Heckler & Koch
$14.95HK G36 & UMP Buttstock Push Button This is a factory HK German replacement button for the HK G36 and HK UMP stock.HKP-02468$14.95 -
HK MP5, 94 UMP Style Folding Stock With HK Parts Stock Adapter
USA
$249.95HK MP5, 94 UMP Style Folding Stock With HK Parts Stock Adapter New US UMP style folding stock assembled with our own HK Parts stock adapter. Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling...HKP-20215$249.95 -
On Sale
HKP Canik TP9SFX Compensator
HKP HK Parts
Now: $149.95Was: $189.95HKP Canik TP9SFX Compensator Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. Features multiple muzzle ports and the additional weight to significantly reduce both muzzle flip and recoil. Compatible With: Canik...HKP-21282Now: $149.95Was: $189.95