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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On Sale
Franklin Armory MP5 40/10 Binary Trigger Group - Ambi 3 Position Universal Housing
H&K, Franklin Armory
Now: $1,199.95Was: $1,399.95Franklin Armory BFSIII HK-C1 - Trigger Group For MP5 .40/10mm- Universal Housing Our universal binary trigger group will come set up as a MP5 40/10, but with our Navy 3 position universal housing you will be able to install in a MP5/SP5, HK 93,...HKP-20085Now: $1,199.95Was: $1,399.95 -
H&K / Hogue Mini Incursion OTF AUTO Knife 2.95" - Point Plain Blade
Hogue
$229.95HK Knives by Hogue Mini Incursion OTF AUTO Knife 2.95" 154CM Black PVD Clip Point Plain Blade Heckler & Koch Knives are specially designed and built for the professional knife user. Whether you're military, law enforcement, rescue, first responder,...HKP-21560$229.95 -
H&K 10 Round HK USP/P2000 .40 S&W Magazine Locking Plate
H&K Heckler & Koch
$9.95Magazine Locking Plate For 10 Round Limited Magazines Compatible With: USP Compact 40 USP Compact .357 SIG USP Compact .40 P2000 .40 S&W P30, P30L .40 HK VP40HKP-01598$9.95 -
H&K 10 Round HK USPC 9mm Magazine Housing
H&K Heckler & Koch
$19.9510 Round HK USPC 9mm Magazine Housing This is an all-steel construction for the HK USPC and P2000 9mm models. New HK German manufacture. Compatible With: HK USPC 9mm HK P2000 9mm HK P2000SK (will extend below the mag well)HKP-02500$19.95 -
Out Of Stock
H&K 21E (7.62x51/.308) Feed Mechanism - Complete
H&K Heckler & Koch
$9,995.95HK21E Feed Mechanism Complete - German HK New genuine HK date-coded and marked 21E complete feed mechanism. These are the last of the genuine feed mechs available and due to the HK21E officially discontinuing the 21E, no additional factory units will...HKP-00584$9,995.95 -
H&K 30 Round HK UMP .40 Magazine - LEO Marked
H&K Heckler & Koch
$99.9530 Round Magazine - LEO Marked - New - UMP .40 S/W This magazine will fit all HK UMP .40 Caliber UMP's as well as the USC-UMP .40 caliber conversions. New factory fresh production HK magazine. The perfect option for those that like to collect LEO marked...HKP-20664$99.95 -
Out Of Stock
H&K 30 Round MP5 9mm Magazine-Straight
H&K Heckler & Koch
$0.00German H&K MP5 9mm 30 Round Straight Magazine Each original German HK manufactured magazine ranges from VG to like new condition. This is the first production MP5 style of magazine. Each is date coded with factory HK markings. No longer made or...HKP-16263$0.00 -
Out Of Stock
H&K 4 Position Ambidextrous 0,1,2,F Burst Trigger Pack
H&K Heckler & Koch
$0.00New HK German 4 position burst trigger pack complete available in your choice of 9mm, 40/10, .223 & .308. We can set up each trigger pack in any caliber you wish (please specify when checking out in the notes section). If no caliber is specified...HKP-00149$0.00 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) Trigger Group (0,1,3,F) - 4 Position - Safe/Semi Only
H&K Heckler & Koch
$0.00HK G3 & HK 91 4 Position (0,1,3, F) Burst Trigger Group Complete - New Factory German Have the look and feel of the original 4-position trigger group. Only this unit offers safe semi-internals and a clipped and pinned housing ready to...HKP-01663$0.00 -
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 Magazine Release Spring
H&K Heckler & Koch
$10.95HK Mark 23 Magazine Release SpringHKP-01789$10.95 -
H&K HK MP5 & HK94 Slimline Forearm - FDE
H&K Heckler & Koch
$69.95H&K HK MP5 & HK94 Slimline Forearm - FDE These forearm started as a G3, HK91 length forearm and was machined to fit the HK 93,33, cleaned up and cerakoted FDE for the best finish possible. Available exclusively at HK Parts. Compatible...HKP-20486$69.95 -
Out Of Stock
H&K HK MR556 Complete Bolt Head
H&K Heckler & Koch
$329.95New HK German MR556, Bolt Head CompleteBrand new factory German bolt head with all the components to make the bolt head complete. HK MR556HKP-02712$329.95 -
H&K HK MR556/416 Extractor
H&K Heckler & Koch
$76.95HK 416 & MR556 Bolt Head Extractor New HK - German Compatible With: MR556 CR556 HK 416 HK M27HKP-00036$76.95 -
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 MR762/417 Axle Extractor Retaining Pin
H&K Heckler & Koch
$9.95H&K HK MR762/417 Axle Extractor Retaining Pin This extractor retaining pin is constructed of durable, black finished, steel and is an OEM factory original H&K component. This retaining pin is designed to fit the HK417 & MR762 model of rifles...HKP-16810$9.95 -
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 P2000 Backstrap - X-Large
H&K Heckler & Koch
$29.95HK P2000 Backstrap With NO Internal Lockout Safety - Extra Large A hard part to find for the HK P2000 Models Compatible With: HK P2000 The XL backstrap is the largest backstrap available for the P2000.HKP-19726$29.95 -
H&K HK P2000/P2000SK Magazine Disconnect Elbow Spring
H&K Heckler & Koch
$9.95HK Magazine Disconnect Elbow Spring Compatible With: HK P2000 HK P2000SKHKP-02601$9.95 -
$9.99 -
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 -
H&K HK USP Full Size Right Side Ambidextrous Control Lever
H&K Heckler & Koch
$29.95H&K HK USP Full Size Right Side Ambidextrous Control Lever Good spare to have on hand as they are prone to damage or cracking. This item will only fit the left side ambidextrous control lever with axle.HKP-16625$29.95 -
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 USPC .40 S&W Barrel - Black
H&K Heckler & Koch
$234.95HK USP Compact .40 S&W Barrel - 3.58" Overall Barrel Length A drop-in replacement barrel for all HK USPC .40 or .357 pistols. This is a great spare or replacement barrel. This is a must-have if you want to convert your .357 USPC to .40 cal...HKP-01413$234.95 -
H&K HK VP/P30/45 Front Sight 6.7mm - Red
H&K Heckler & Koch
$29.95Red Phosphorescent Front Sight - 6.7mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-18833$29.95 -
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 -
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 their build. 10 round magazine making it ideal...HKP-21441$97.95 -
H&K MR556/416 Forearm Front Folding Sight - BRN
H&K Heckler & Koch
$597.95HK 416A5 9" Quad Rail With Flip Up Front Sight - BRN Latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and...HKP-17680$597.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch
H&K Heckler & Koch
$36.95HK UMP & USC Bolt Catch New HK German lower. Compatible With: HK UMP HK USCHKP-01897$36.95 -
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 -
H&K VP9, VP40 Grip Panel Left Side - Medium - Gray
H&K Heckler & Koch
$24.95H&K VP9, VP40 Grip Panel Left Side - Medium - Gray New HK German manufactured. Left side, medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-18122$24.95 -
H&K VP9, VP40 Grip Panel Left Side - Small - FDE
H&K Heckler & Koch
$24.99H&K VP9, VP40 Grip Panel Left Side - Small - FDE New HK German manufactured. Left side, small size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-18112$24.99 -
H&K VP9, VP40 Left Side Grip Panel - Large - OD Green
H&K Heckler & Koch
$24.99H&K VP9, VP40 Left Side Grip Panel - Large - OD Green New HK German manufactured. Left side size large. Perfect for spare or for custom stippling projects. Drop-in part for rour HK VP Pistol. Compatible With: HK VP9 HK VP40HKP-19174$24.99 -
H&K VP9SK, VP40SK Backstrap - Small - OD Green
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Back Strap - Small - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18971$29.95 -
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 -
HK 21/21E/23E (7.62x51/.308) & (5.56/.223) Barrel Handle
Michaels Machines
$74.95HK 21/21E/23E (7.62x51/.308) & (5.56/.223) Barrel Handle Compatible With: HK21 HK21E HK23EHKP-00244-M$74.95 -
HK 45/45 Tactical Firing Pin
H&K Heckler & Koch
$44.95HK 45 & 45 Tactical Firing Pin A must-have spare part for your HK45 pistol. Compatible With: HK45 HK45 TacticalHKP-02221$44.95 -
HK G36/SL8 (5.56/.223) Bolt Heads Ejector
$13.95HK G36/SL8 Ejector For All G36, SL8 bolts -US MadeHKP-18371$13.95