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
HK German Carry Handle - HK91, G3, HK93, & HK33 - New Old Stock
H&K Heckler & Koch
$0.00HK German Carry Handle for HK91, G3, HK93, & HK33 Weapon Systems - New Old Stock HK German new old stock condition. The carry handle installs by sliding the carry handle over the cocking tube to make contact with the trunion. This can be installed in...HKP-19551$0.00 -
HK MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - LIKE NEW
H&K Heckler & Koch
$129.95HK 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 professionally clipped and pinned and...HKP-20618$129.95 -
$19.95 -
$19.95 -
HK P Series Hammer Axle
H&K Heckler & Koch
$54.95HK P Series Hammer Axle Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SK HK P30 HK P30L HK P30SKHKP-01797$54.95 -
Out Of Stock
HK Pistols Trigger Return Spring & Mounting Plier
H&K Heckler & Koch
$0.00HK Pistols Trigger Return Spring & Mounting Plier The factory HK German factory tool used for various applications as well as trigger return spring removal and install. This is the factory HK German part as used in the HK armorer classes.HKP-19678$0.00 -
Out Of Stock
HK UMP (.40 S&W/.45 ACP/9mm) Paddle Mag Release
$9.95UMP Paddle Magazine Release - US Made New UMP Mag release. This is a very common repair & replacement part as they are fairly easy to break on the UMP lower. Simple & easy to install no gunsmith needed or required. Compatible With: UMP .45 UMP ...HKP-18773$9.95 -
HK UMP .45 15 Round Magazine Spring
HKP HK Parts
$9.95HK UMP .45 15 Round Magazine Spring Perfect for spares and to have on hand as these are consumable item that needs to be replaced from time to time. A must have item if you own a USC/UMP conversion or UMP.HKP-20679$9.95 -
Out Of Stock
HK UMP Paddle Mag Release Complete Assembly
$19.95UMP Paddle Magazine Release - US Made - Assembly Complete New UMP Mag release. This is a very common repair & replacement part as they are fairly easy to break on the UMP lower. Simple & easy to install no gunsmith needed or required. Compatible...HKP-19499$19.95 -
Out Of Stock
HK UMP/USC (.40 S&W) Extractor
$39.95New US-Made USC Or UMP .40 Extractor This part is a repair and replacement item, as these are prone to breakage, and it's a part that's hard to find and a great item to have on hand. Please Note: HK considers this a high wear and replacement...HKP-02624$39.95 -
Out Of Stock
HK UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever
$34.95HK UMP, USC Ejector Lever A great spare to have on hand as they are prone to shearing off with use and must be replaced. Perfect for the Omega and Tommy Built Tactical builds. Compatible With: UMP .45 UMP .40 UMP 9mm USC .45 and all caliber of...HKP-18508$34.95 -
Out Of Stock
HK USC, HK UMP Front Sight - Black
USA
$11.95Front Sight - HK USC, UMP - USA Easy to swap out with just knock out the roll pin replace and then re-insert the roll pin. Common wear or breakage part. Compatible With: All models of USC and UMP'sHKP-19124$11.95 -
Out Of Stock
HK21E, HK23E Vertical Battle Grip
H&K Heckler & Koch
$0.00New HK German Front Vertical Battle Grip This vertical grip mounts directly to the front shroud and can be mounted at several angles depending on the shooter's option. This item is no longer available or in production. Compatible With: HK 21e HK 23e HK...HKP-00574$0.00 -
HK34 9mm Pistol Build Kit - Navy Binary
HKP HK Parts
$2,965.95HK34 9mm Pistol Build Kit - Navy Binary Just when you thought all permutations of roller-lock kits had been exhausted, HK Parts brings you the HK34. The HK34 strikes a balance between the shoot-ability of a pistol caliber with the versatility of a rifle...HKP-21482$2,965.95 -
Sale
HKP +10 HK P30, VP9 Magazine Extension Kit - Black - BLEMISHED
HKP HK Parts
Now: $39.95Was: $64.95HKP +10 HK P30, VP9 Magazine Extension Kit - Black - 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 +10 magazine extension kit...HKP-19455-BL-BNow: $39.95Was: $64.95 -
Sale
HKP +10 HK P30, VP9 Magazine Extension Kit - Red - BLEMISHED
HKP HK Parts
Now: $39.95Was: $64.95HKP +10 HK P30, VP9 Magazine Extension Kit - 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 +10 magazine extension kit...HKP-19455-RE-BNow: $39.95Was: $64.95 -
Sale
HKP +5 HK P2000/USPC .40 S&W Magazine Extension - Black - BLEMISHED
HKP HK Parts
Now: $29.95Was: $49.95HKP +5 HK P2000/USPC .40 S&W Magazine Extension - Black - 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-18644-BL-BNow: $29.95Was: $49.95 -
HKP - HK UMP, USC - Flat Trigger - OD Green
HKP HK Parts
$99.95HKP - HK UMP, USC - Flat Trigger - OD Green With our new flat trigger you will improve the aesthetics of your firearm and will also give shooters a lower position on the trigger, which will increase leverage for a smoother, more consistent pull. Our flat...HKP-21057$99.95 -
Sale
HKP .40 S&W 4 Prong Flash Hider - 14.5x1 LH
USA
Now: $33.95Was: $79.95HKP .40 S&W 4 Prong Flash Hider - 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 WILL NOT BE ACCEPTED. For use on all HK German .40...HKP-21445Now: $33.95Was: $79.95 -
Out Of StockSale
HKP 30 Round HK UMP 9mm Magazine - FDE - BLEMISHED
HKP HK Parts
Now: $29.95Was: $49.95HKP 30 Round HK UMP 9mm Magazine - FDE - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. UMP 30 round magazine for the UMP. Each magazine features...HKP-20481-BNow: $29.95Was: $49.95 -
Out Of Stock
HKP 93/53/33 (5.56/.223) Trigger Group - 3 Position Housing 0,1 - Safe, Semi Only
HKP HK Parts
$419.95HK 93, 33, 53 Trigger Group 3 Position Navy Housing 0,1- Safe, Semi Only Finally a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK housing. Now for the...HKP-17244$419.95 -
Out Of Stock
HKP 93/53/33 (5.56/.223) Trigger Group - 4 Position Housing 0,1 - Safe, Semi Only
HKP HK Parts
$419.95HK 93, 33, 53 Trigger Group 4 Position Housing 0,1- Safe, Semi Only Introducing an affordable alternative to the high-cost and hard-to-find all-German HK FBI or 0,1 ambidextrous trigger group, now available in a 4-position factory German HK housing. For...HKP-17245$419.95 -
Out Of Stock
HKP 94, 93 Semi Grip Frame SEF - Metal
HKP HK Parts
$79.95HK MP5,94, 33,93 Style Metal Grip Frame - For Semi Auto ShelvesEach German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory correct semi auto shelf, clipped from a double tang...HKP-16470$79.95 -
Out Of Stock
HKP 9mm Titanium Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$29.95HKP 9mm Titanium Thread Protector - Threaded 13.5x1 LH This billet machined titanium and Cerakoted enhanced thread protector is made for use with all 13.5x1 LH threaded barrels. This unique design will fit over and protect the crown of your barrel for...HKP-19724$29.95 -
Sale
HKP Flat Brim Snapback Hat - OSFM - Black & Red
HKP HK Parts
Now: $13.45Was: $19.95HKP Flat Brim Snapback Hat - OSFM - Black & Red Get your hands on some of our premium hats! Features: Official HKP merchandise 100% cotton Structured 4 sewn eyelets Matching color sweatband Plastic adjustable snap Firm front panel Size: OSFM...HKP-20716Now: $13.45Was: $19.95 -
Out Of Stock
HKP Front Sight HK Tower, Triple Frame Install & Removal Fixture Jig
HKP HK Parts
$69.95HKP Front Sight HK Tower, Triple Frame Install & Removal Fixture Jig The original one and only triple frame removal and install fixture. The perfect jig for the installation and removal of triple frames and front sight towers found in all HK 90...HKP-17586$69.95 -
Out Of Stock
HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K
HKP HK Parts
$39.95HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K Compatible With: MR556 & 416 MR762 & 417HKP-17832$39.95 -
HKP HK 91/G3 (7.62x51/.308) Ambidextrous Trigger Pack (0,1)
HKP HK Parts
$362.95HKP/H&K G3/91 (7.62x51/.308) 2 Position 0,1 Ambidextrous Trigger Pack Finally a lower cost alternative to the spendy and hard to find all German HK FBI or 0,1 ambi trigger packs. Now for the first time, we have the ever popular trigger pack available...HKP-17232$362.95 -
Out Of Stock
HKP HK 91/G3 (7.62x51/.308) Firing Pin - Titanium
HKP HK Parts
$29.95HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% 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 G3, 91 & PTR weapon system. Get the...HKP-17937$29.95 -
Out Of Stock
HKP HK MP5 Navy Binary Trigger Group - Engraved - RAL 8K
FA Franklin Armory / HKP
$1,499.95Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K Coming Soon! 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest and greatest Binary trigger group freshly delivered with a factory HK German housing that...HKP-21290-M$1,499.95 -
HKP HK MP5, 94, 93/53/33 AR-15 Style Magpul Stock
HKP HK Parts
$197.95HKP HK 93/53/33 (5.56/.223) AR-15 Style Magpul Stock US Manufactured AR15 to HK 93,33,53 series stock assembly with Magpul MOE stock. Each unit comes complete and ready to install on your HK 93,33,53 or HK94, MP5 firearm. Made from aircraft grade...HKP-16271$197.95 -
Out Of Stock
HKP HK MR556/416 10.4" 5.56 Barrel
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK 416 style upper...HKP-18200$369.95 -
Out Of Stock
HKP HK MR556/416 9" HK416C Style Barrel Conversion Kit
HKP HK Parts
$0.00MR556 & HK416 Barrel Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the origional, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or...HKP-18401$0.00 -
Out Of Stock
HKP HK MR556/416 DMR Extended 15" M-LOK Handguard - Black
HKP HK Parts
$249.95HK MR556 & HK416 Extended DMR 15" Handguard - M-LOK A drop on replacement forearm for the HK MR556 and HK 416. A perfect upgrade for your HK rifle. This rail also provides an additional 6" of rail length for more flexibility and great control.HKP-18019$249.95 -
Out Of Stock
HKP HK MR556/416 DMR Extended 15" Quad Rail - Black
HKP HK Parts
$259.95HK MR556 & HK416 DMR Length 15" Quad Rail - ExtendedHKP-18018$259.95 -
Out Of Stock
HKP HK MR556/416 Titanium Firing Pin Catch
HKP HK Parts
$49.95HK MR556 & HK416 Firing Pin - TitaniumGrade 6 weapons grade Titanium manufacture. Made 100% 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 MR556 & HK 416 weapon system. Get the...HKP-17767$49.95 -
Out Of Stock
HKP HK MR556/416 Upper 9" 416C Style Conversion Kit
HKP HK Parts
$899.95MR556 & HK416 Upper Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18674$899.95 -
HKP HK MR556/HK416 FFRS Retaining Spring
HKP HK Parts
$13.99HKP HK MR556/HK416 FFRS Retaining Spring The retainer spring retains the handguard locking pin on the free floating rail system (FFRS). These can become damaged with the removal of the handguard screws. Once the spring is damaged, they require...HKP-21503$13.99 -
Out Of Stock
HKP HK P2000/P2000SK Bench Mat
HKP HK Parts
$13.95HKP HK P2000/P2000SK Bench Mat Perfect for all HK P2000, P2000SK 9mm, .40 & .357 Sig Models This isn't your ordinary gun cleaning mat! Show your pride for your firearm while using this high quality neoprene rubber backed and cloth top gun cleaning...HKP-17450$13.95 -
Out Of StockSale
HKP HK P30 Series Titanium Firing Pin
HKP HK Parts
Now: $29.95Was: $49.95A solid billet CNC offering that's 40% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium pins also carry less momentum than steel pins thereby...HKP-17828Now: $29.95Was: $49.95