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 HK German Factory Handguns Aluminum Padded Case
H&K Heckler & Koch
$0.00H&K HK German Factory Handguns Aluminum Padded Case New HK German Euro factory case for the HK Expert or HK Elite or any HK USP variant. Rare hard to find and factory brand new. Will also fit all USP and other HK pistol offerings. Pre-cut foam with 2...HKP-17656$0.00 -
H&K HK Mark 23 Slide Release Lever
H&K Heckler & Koch
$64.95HK Mark 23 Slide Release Lever Brand new HK German manufacture. Compatible with all HK Mark 23 and SOCOM Pistols.HKP-01596$64.95 -
$9.99 -
H&K HK MR556, HK 416 9" M-LOK Handguard - Black
H&K Heckler & Koch
$399.95Handguard - 9" - Black - M-LOK - HK MR556, HK 416 New HK German manufactured forearm for the HK 416 and MR556 firearm. Comes exactly as pictured.HKP-19670$399.95 -
H&K HK MR556/416 Complete Floor Plate
H&K Heckler & Koch
$10.95HK German HK 416, MR556 Floor Plate Extension Complete All steel HK Marked 30, 20 & 10 round floor plates. Each unit comes complete with the rubber bushing installed in the maritime finish. It is a great spare to have on hand as these do break...HKP-15209$10.95 -
Out Of Stock
H&K HK MR556/416 Standard Length Quad Rail Black
H&K Heckler & Koch
$0.00HK 416, MR556 Quad Rail- Standard Length HK German HK416 & MR556 quad rail complete that includes HK 416/MR556 Handguard Screw. This handguard can also be installed on the CR556 models as well. Compatible With: HK 416 HK MR556 HK CR556HKP-02546$0.00 -
H&K HK MR556/416 Steel Maritime Magazine Follower
H&K Heckler & Koch
$14.95H&K HK MR556/416 Steel Maritime Magazine Follower Compatible With: HK 416 factory magazines such as 30, 20 and 10 roundHKP-15452$14.95 -
H&K HK MR762 Firing Pin
HKP HK Parts
$29.95H&K HK MR762 Firing Pin Specifications: Made in the USAHKP-17795$29.95 -
H&K HK MR762/417 Barrel Nut
H&K Heckler & Koch
$99.95HK MR762 Barrel Nut Or Socket Barrel - German HK A must have for any removal or work done to barrel as the barrel nut may need to be replaced.HKP-16597$99.95 -
H&K HK P30 Series Left Grip Shell - Large - Black
H&K Heckler & Koch
$19.95HK P30 Series Left Grip Shell - Large - BlackHKP-01575$19.95 -
H&K HK P30/P2000 Hammer Strut
H&K Heckler & Koch
$15.95HK P2000 & P30 Hammer Strut Compatible With: HK P2000 HK P30HKP-01621$15.95 -
Out Of Stock
H&K HK SP5 Contoured Style SEF Match Trigger Group
H&K Heckler & Koch
$0.00Contoured Style - SEF - Clipped & Pinned Trigger Group - HK SP5 Ready to drop on your Sp5 receiver. Great replacement trigger group. Each SP5 trigger group includes the following: Properly clipped & pinned housing for SP5 spec shelves The finest...HKP-19422$0.00 -
H&K HK UMP/USC Rear Sight Support Roll Pin
H&K Heckler & Koch
$9.95HK UMP & USC Rear Sight Support Roll Pin This is the axle pin that holds the rear sight assembly to the rear sight housing of the receiver on the USC or UMP firearm.HKP-02155$9.95 -
Out Of Stock
H&K HK USP/USPC Old Style Hammer
H&K Heckler & Koch
$0.00HK USP & USPC Variants 1-4, 9, & 10 Old Style 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 & .357 HK USP Compact .45 ACP Any USP pre-1995 with the old-style sear...HKP-02766$0.00 -
H&K HK VP/P30/45 Front Sight 6.5mm - Red
H&K Heckler & Koch
$59.95Red Phosphorescent Front Sight - 6.5mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-18832$59.95 -
H&K Mark 23 .45 ACP Thread Cap - Threaded 16x1 RH
H&K Heckler & Koch
$44.95H&K Mark 23 .45 ACP Thread Cap - Threaded 16x1 RH Introducing the new US HK Mark 23 SOCOM Thread Protector, designed for all H&K Mark 23/SOCOM barrels threaded 16x1 RH. This essential accessory protects your valuable threaded barrel and...HKP-20609$44.95 -
Out Of Stock
H&K MP5 40/10 3 Position (0,1,2 Pictogram) Burst Trigger Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5 40/10 3 Position (0,1,2 Pictogram) Burst Trigger Housing - Push Pin This factory push pin grip frame features 3 position (0,1,2) pictogram markings, designed for the MP5 40/10 series. It is a new HK German grip frame that provides the...HKP-16469$0.00 -
H&K MP5 40/10 SEF Clipped & Pinned Semi-Auto Trigger Group Complete
H&K Heckler & Koch
$449.95HK German MP5 40, MP5 10mm SEF Clipped & Pinned Semi-Auto Trigger Group - Complete Ready to install on your HK clone or a custom build.HKP-00447$449.95 -
Out Of Stock
H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned Introducing the new Factory German trigger housing, designed for use in safe, semi, and burst configurations...HKP-20404$0.00 -
H&K MP5/MP5K/SP5K 10 Round Magazine - RAL 8K
H&K Heckler & Koch
$97.95H&K MP5/MP5K/SP5K 10 Round Magazine - RAL 8K Heckler & Koch factory magazine. We now take this factory magazine and cerakote it with the ultra desirable RAL 8000 color for those looking to customize thier build. 10 round magazine making it ideal...HKP-21441$97.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Firing Pin Retainer Pin
H&K Heckler & Koch
$7.95HK UMP Firing Pin - Retainter Pin This is the pin that trips the trip lever on the UMP lower.HKP-01894$7.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate
H&K Heckler & Koch
$24.95H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.HKP-16473$24.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Lower Bolt Carrier Guide
H&K Heckler & Koch
$12.95HK German All Steel UMP Carrier Guide This is the steel piece the guides the UMP bolt carrier. Compatible With: All HK UMP lowersHKP-16500$12.95 -
Out Of Stock
H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - Used
H&K Heckler & Koch
$149.95German HK UMP .45 25 Round Magazine - Used Used PD trade in HK German UMP .45 cal 25 Round Factory Magazines. These magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Please Note: The UMP...HKP-17917$149.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Slide For Lower
H&K Heckler & Koch
$19.95HK USC & UMP Slide For Lower - German New HK German USC slide for conversion of UMP lower.HKP-00268$19.95 -
HDPS HK UMP (.40 S&W/.45 ACP) 5 Prong Flash Suppressor
HDPS
$159.95HK UMP (.40 S&W/.45 ACP) 5 Prong Flash Suppressor This is the much anticipated HDPS 5-prong UMP flash hider- made to fit the flanged UMP barrels. Will fit factory HK UMP barrels as well as the UMP .45/.40 US-made barrels we currently offer...HKP-02368$159.95 -
HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH
HDPS
$137.95HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH Designed for threaded barrels with a 16x1 LH thread, this flash suppressor is modeled after the HK UMP flash suppressor for flanged barrels. It’s perfect for those who...HKP-02579$137.95 -
Out Of Stock
HK UMP (.45 ACP) Bolt Group
$369.95HK UMP .45 Tungsten Filled Semi Auto Bolt Group Complete. The semi auto bolt group is required for HK USC to HK UMP caliber conversions. Comes complete less the recoil assembly. Specifications: Tungsten filled Heat treated ParkerizedHKP-18751$369.95 -
HKP AR15/M4/M16 Titanium Firing Pin
HKP HK Parts
$24.95AR-15, M4, M16 Titanium Firing Pin - Grade 6 - Enhanced A solid billet CNC offering at nearly 40% lighter than steel firing pins our, titanium firing pins travel faster in the bolt, delivering a quicker lock time and enhancing accuracy. Titanium pins...HKP-17781$24.95 -
HKP Dual HK MP5 Magazine Clamp Conversion Screw
HKP HK Parts
$2.95HKP Dual HK MP5 Magazine Clamp Conversion Screw This screw converts a HK91, G3, PTR dual magazine clamp (HKP-19634) into the correct length for use on curved MP5 magazine. Includes: (1) screwHKP-20318$2.95 -
HKP HK 416 (5.56/.223) A5 Converted Barrel - Threaded 1/2x28
HKP HK Parts
$588.95HKP/H&K 416 (5.56/.223) & A5 Converted Barrel - Threaded 1/2x28 These barrels began as standard A3 style but have been precisely machined with an A5-style relief cut to fit HK 416 & MR223 A5 uppers. Now, you can have a drop-in barrel for your...HKP-21449$588.95 -
Out Of Stock
HKP HK 91/G3 (7.62x51/.308) 20 Round Steel Magazine - Latest HK Production
H&K Heckler & Koch
$0.00HK 91, G3, PTR .308 20 Round All Steel Magazine - German HK HK .308 factory steel 20 round all steel magazine. Each magazine is the latest HK German manufactured. Compatible With: HK 91 HK G3 PTR-91, PTR PDW Vector 51, G3K, HK51, HK51K Century C308...HKP-00542$0.00 -
Out Of Stock
HKP HK 91/G3 (7.62x51/.308) Complete Semi Bolt Group
HKP HK Parts
$339.95US Made HK 91/G3 Semi-Auto Bolt Group Complete - New Each bolt group is built using HK factory prints and specs here in the US. As a bonus, each bolt group counts as two US parts for US 922r compliance. Everything you need as a spare or a direct...HKP-01473$339.95 -
HKP HK 91/G3 (7.62x51/.308) Complete Tungsten Full Auto Bolt Group
HKP HK Parts
$549.95HKP HK 91/G3 (7.62x51/.308) Complete Tungsten Full Auto Bolt Group US Made HK 91/G3 Full Auto Bolt Group Complete - NEW Each bolt group is built using HK factory prints, specs here in the US. As an added bonus each bolt group counts as two US parts for...HKP-16249$549.95 -
HKP HK 93/53/33 (5.56/.223) Firing Pin - Titanium
HKP HK Parts
$49.95HK93, 33, 53 Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK 93, HK33 & HK53 weapon system. Get the...HKP-17769$49.95 -
HKP HK G36 Magwell - FDE
HKP HK Parts
$39.95Magazine Well - Magwell FDE - HK G36 Allows use of all factory G36 & Magpul G36 magazines. Fits all 30 round, 10 round & 100 round magazines & drums. Compatible With: HK G36 HK G36K HK G36C Clones or other customer buildsHKP-19300$39.95 -
HKP HK MR556/CR556/MR762 H-Key 14 Rail Segment
HKP HK Parts
$39.95HKP HK MR556/CR556/MR762 H-Key 14 Rail Segment 14 slot 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 similar models...HKP-17846$39.95 -
HKP HK MR556/CR556/MR762 H-Key 17 Rail Segment
HKP HK Parts
$44.95HK MR556, CR556 & MR762 HKey Rail Segment - 17 Slot 17 slot 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-17847$44.95 -
Sale
HKP HK P30L Quick Detach Tactical Compensator - Brass
HKP HK Parts
Now: $99.95Was: $249.95HKP HK P30L Quick Detach Tactical Compensator - Brass Limited custom made offering! In stock and ready to ship! The HK Parts P30L Comp Weight™, compensator is the world's first quick detach Comp Weight™, compensator. That slides effortlessly...HKP-18475Now: $99.95Was: $249.95 -
HKP HK UMP 45 (.45 ACP) 15 Round Magazine Spring
H&K Heckler & Koch
$9.95HKP HK UMP 45 15 Round Magazine Spring: UMP 45 (.45 ACP) 15 round magazine replacement spring. Perfect for spares as these are a consumable item that needs to be replaced from time to time.HKP-21297$9.95