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 HK USPC .45 ACP Barrel - Black
H&K Heckler & Koch
$349.95HK USPC .45 ACP Barrel - Black This item is needed to make a USPC Tactical a standard-length barrel as found on the USPC .45.HKP-02064$349.95 -
H&K HK USPC 9mm / 40 S&W LEM Trigger Bar
H&K Heckler & Koch
$34.95H&K HK USPC 9mm / 40 S&W LEM Trigger BarHKP-16326$34.95 -
H&K HK VP9, HK VP40 Back Strap - Medium - Gray
H&K Heckler & Koch
$29.95H&K HK VP9, HK VP40 Back Strap - Medium - Gray New HK German manufacture Compatible With: HK VP9 HK VP40HKP-18126$29.95 -
H&K HK VP9, HK VP40 Back Strap - Medium - OD Green
H&K Heckler & Koch
$29.95HK VP9, VP40 Backstrap- Medium - OD Green New HK German manufactured Compatible With: HK VP9 HK VP40HKP-18838$29.95 -
H&K HK VP9, HK VP40 Left Side Grip Panel - Medium - OD Green
H&K Heckler & Koch
$24.95H&K HK VP9, HK VP40 Left Side Grip Panel - Medium - OD Green New HK German manufactured. Left side size medium. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible With: HK VP9 HK VP40HKP-19175$24.95 -
H&K HK VP9SK Left Side Grip Panel - Medium - OD Green
H&K Heckler & Koch
$19.95H&K HK VP9SK Left Side Grip Panel - Medium - OD Green New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18587$19.95 -
H&K HK VP9SK Left Side Grip Panel - Small - OD Green
H&K Heckler & Koch
$19.95H&K HK VP9SK Left Side Grip Panel - Small - OD Green New HK German manufactured. Left side small size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18957$19.95 -
H&K HK VP9SK Right Side Grip Panel - Medium - OD Green
H&K Heckler & Koch
$19.95H&K HK VP9SK Right Side Grip Panel - Medium - OD Green New HK German manufactured. Right side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18967$19.95 -
Out Of Stock
H&K MP5 4 Position Burst Trigger Group 0,1,3,F - USED
H&K Heckler & Koch
$0.00HK German used 4 position 3 round burst trigger group complete. This is a complete trigger group that is a used 4 Position Burst (0,1,3,F) trigger group complete.Some housings will show some discoloration on the pictogram as they are used housings.This...HKP-02610$0.00 -
H&K MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - LIKE NEW
H&K Heckler & Koch
$149.95H&K MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - LIKE NEW A perfect upgrade for your HK MP5 40/10 build. This is the only SEF style housing available for the MP5 40/10 family of firearms. Each housing is hand picked and professionally...HKP-20577$149.95 -
H&K MP5 9mm Parts Kit 100% German - A3 Stock & SEF Lower
H&K Heckler & Koch
$3,499.95MP5 Parts Kit - 9mm HK German MP5 9mm Used Parts Kit Complete (Minus Receiver). All MP5 Kits Include: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto 2 small and 1 large Push...HKP-00770$3,499.95 -
H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set
H&K Heckler & Koch
$2,299.95H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set Each MP5 9mm parts kit started life as an iconic German manufactured MP5 that was issued to the border guard and military police for service. During that service, they were carried a ton but...HKP-16606$2,299.95 -
Out Of Stock
H&K MP5 9mm Trigger Group FBI (0,1) Ambidextrous
H&K Heckler & Koch
$0.00HK MP5 Push Pin 0,1 Trigger Group - GermanHKP-01731$0.00 -
H&K MP5 A3 Retractable Buttstock Bushing
H&K Heckler & Koch
$14.95HK MP5 A3 Retractable Stock Cap, Bushing- MP5 Navy StocksNewer 2 generation stock cap bushing for the factory MP5-N series of A3 stocks.Not for use on the 1st generation all metal (70-80's) A3 retractable stocks. Not for use on the 3rd generation of MP5...HKP-16405$14.95 -
Out Of Stock
H&K MP5, 93/53/33, PTR (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,2 Pictogram) Burst Universal Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K MP5, 93/53/33, PTR (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,2 Pictogram) Burst Universal Housing - Clipped & Pinned This factory German 3 position burst housing (0,1,2) is designed for multiple calibers and applications. It features...HKP-19800$0.00 -
Sale
H&K MP5/MP5K & SP5/SP5K 100 Degree Locking Piece - BLEMISHED
H&K Heckler & Koch
Now: $49.95Was: $89.95H&K MP5/MP5K & SP5/SP5K 100 Degree Locking Piece - BLEMISHED THESE LOCKING PIECES ARE GENUINE UNITS HK THAT WERE MODIFIED TO FUNCTION IN SINGLE-SHOT CONVERTED MP5 PLATFORM FIREARMS. THE MODIFICATION WILL NOT EFFECT THE OPERATION WHEN USED...HKP-00134-BNow: $49.95Was: $89.95 -
H&K MP5F & 40/10 Cocking Tube Support
H&K Heckler & Koch
$299.95HK German MP5 F & 40/10 Cocking Tube Support This is the factory correct MP5 F or MP5 40/10 newer style cocking tube support. Compatible With: MP5 40 MP5 10mm True MP5 F models Custom HK builds and clones with the proper F partsHKP-00097$299.95 -
H&K MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group - Clipped & Pinned
H&K Heckler & Koch
$2,499.95HK MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group HK German MP5K 3 Position 0,1,F Navy Ambidextrous Trigger Group For MP5K, MP5KN or MP5K PDW. New HK German manufacture. This is the real deal. Only a few on hand and once they are all gone there...HKP-00405$2,499.95 -
H&K MP5K/SP5K/SP89 Semi-Auto 3 Position Trigger Group- Clipped & Pinned
H&K Heckler & Koch
$1,099.95HK Semi Auto 3 Position Trigger Group- Clipped & Pinned This HK 3-position trigger housing will give the look and feel of a full auto 3-position trigger group but is set in a semi-auto trigger pack. All HK German Genuine parts. Compatible With: HK...HKP-00186$1,099.95 -
Out Of Stock
H&K PSG1 (7.62x51/.308) Firing Pin Spring
H&K Heckler & Koch
$0.00HK German PSG-1 Firing Pin Spring. New HK German. A Great Item To Have On Hand As A Spare.HKP-00535$0.00 -
H&K Scope Mount Ring Set - 1 Inch For 30mm Scope
H&K Heckler & Koch
$89.95H&K Scope Mount Ring Set - 1 Inch For 30mm Scope Each set includes one complete set of inserts for one complete setup (4 individual sides). This is a Genuine HK German part. Insert rings (1 inch) - HK 30mm claw mount not included.HKP-02474$89.95 -
H&K UMP (.45 ACP) Parts Kit - Extended Demilled Rear Receiver Section - Used
H&K Heckler & Koch
$4,499.95HK German UMP .45 Parts Kit- Used PD Trade-In UMP .45 German parts kit complete with all the factory HK parts minus the receiver. PD trade-ins are in good shape. Click this link to complete your build with a DEFGUNZ DEF9 receiver. Each UMP .45 Parts...HKP-00589$4,499.95 -
H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Filler Piece
H&K Heckler & Koch
$59.95H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Filler Piece HK German Hand Stop filler piece for UMP and G36.HKP-17779$59.95 -
H&K Universal Harris Bipod Adapter - RAL 8000
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinney railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...HKP-17750$199.95 -
H&K VP9SK, VP40SK Back Strap - Medium - OD Green
H&K Heckler & Koch
$24.95H&K VP9SK, VP40SK Back Strap - Medium - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SKhkp-18583$24.95 -
HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block C
HDPS
$159.95HDPS HK UMP & USC Stock Block C Each unit comes with a new push-pin design. This is the part to use with the ACE hinge part number FSM-TB (push button folding stock) and non-folding push bottom (pig nose). This is just...HKP-02613$159.95 -
HDPS HK USC, UMP Stock Block C Eyelet / Thumb Screw
HDPS
$169.95HDPS HK USC, UMP Stock Block C Eyelet / Thumb Screw Great option since factory HK UMP stocks are hard to find and expensive. The HDPS HK USC/UMP stock block "C." Each unit comes with eyelet / thumb screw design. This is the type for use with the ACE...HKP-20688$169.95 -
Out Of Stock
Hiviz Litewave & Rear Sight Set - VP, P30 Green
Hi-Viz
$119.95Hiviz Litewave & Rear Sight Set - VP, P30 Green HiViz Litewave H3 Tritium/Litepipe sights combine the latest and greatest Tritium and Litepipe technology for amazing illumination in any light condition. Now you can have the best performance whether...HKP-18928$119.95 -
HK P2000/P2000SK Standard Rear Sight
H&K Heckler & Koch
$59.99HK P2000/P2000SK Standard Rear Sight HK P2000& P2000SK Rear Sight with 2 white dots Compatible With: HK P2000 & P2000SK ModelsHKP-17423$59.99 -
HK SL8 Magwell - Used - Black
USA
$9.95HK SL8 Magwell - Used - Black Used Magwell - Black - SL8HKP-20055$9.95 -
HK SL8 Magwell - Used - Gray
USA
$9.95HK SL8 Magwell - Used - Gray Used Magwell - Gray - SL8HKP-20056$9.95 -
Out Of Stock
HK UMP (9mm) Extractor
USA
$39.95New US-Made USC & UMP 9mm Extractor: This is the perfect spare part for your UMP or USC 9mm conversion. Please Note: HK considers this a high wear and replacement item. Once it's removed from the carrier, the spring tension...HKP-02625$39.95 -
HK Universal Polymer 3.25" Rail
H&K Heckler & Koch
$59.95HK Universal Polymer Rail With Screws for the G36E, SL8, USC, UMP HK German manufacture. New universal picatinney rail for forward section or forearm. Compatible With: G36E SL8 USC UMP All variants Specifications: Length: 3.25"hkp-18489$59.95 -
HK USPC 9mm & .40 S&W Trigger Bar
H&K Heckler & Koch
$22.95HK USPC 9mm & .40 S&W Trigger Bar Compatible With: HK USP Compact 9mm HK USP Compact 40 S&WHKP-02266$22.95 -
HK VP9/VP9SK, HK VP40 Catch Cylindrical Pin
H&K Heckler & Koch
$5.99Cylindrical Pin For Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP40HKP-16802$5.99 -
Sale
HKP +5 HK P2000/USPC .40 S&W Magazine Extension - Red - BLEMISHED
HKP HK Parts
Now: $29.95Was: $49.95HKP +5 HK P2000/USPC .40 S&W Magazine Extension - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK Parts magazine extension +5 adds 5...HKP-18663-RE-BNow: $29.95Was: $49.95 -
Sale
HKP .40 S&W 4 Prong Flash Hider - Threaded 14.5x1 LH
USA
Now: $33.95Was: $79.95HKP .40 S&W 4 Prong Flash Hider - Threaded 14.5x1 LH THIS IS A CLOSEOUT PRODUCT DUE TO A HARMONIC (TUNING FORK EFFECT) PRESENT WHEN SHOOTING. THE PART IS ENTIRELY FUNCTIONAL AND IS SOLD AS-IS, RETURNS ARE NOT ACCEPTED. For use on all HK German ...HKP-01986Now: $33.95Was: $79.95 -
$25.95 -
HKP HK 416, MR556 Upper Receiver Forging
HKP HK Parts
$88.95HKP HK 416 A1/A3, MR556 Upper Receiver Forging HK Parts' very own 416 upper reciever forging. This is the first time that these forgings have been made available to the public. Our receivers come with the ever popular Cerro Forge "keyhole" marking. Cerro...HKP-21008$88.95 -
HKP HK 93/53/33 (5.56/.223) Trigger Pack - 4 U.S. 922r Parts
HKP HK Parts
$299.95Semi Auto Trigger Pack HK93,33 & Z43 Models - 4 US 922R Parts HK 93,33,53 & Zenith Z-43 Semi Auto Trigger Pack Complete. Each trigger group incorporates the following US made compliant parts completely assembled & ready to drop in. The...HKP-18003$299.95