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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KCI 30 Round B&T APC 9mm Magazine - Translucent
KCI
$44.95Korean 30 Round B&T APC 9mm Magazine - KCI USA Features: Brand new factory fresh, individually sealed magazine 30 round capacity 9mm caliber Great for plinking & range sessions Affordable Made in South Korea For the money this magazine is the...HKP-20293$44.95 -
Franklin Armory / HKP HK MP5 Trigger Group – 2 Round Engraved Binary Housing
FA Franklin Armory / HKP
$1,299.95Franklin Armory BFSIII HK-C1/HKP MP5 Trigger Group – 2 Round Engraved Binary Housing - Clipped & Pinned 3 Position, 2 round burst style engraved pictograph – HK binary trigger group. Our latest and greatest Binary trigger group freshly...HKP-20969-M$1,299.95 -
Out Of Stock
H&K Barrel Retaining Pin - 5.15mm
H&K Heckler & Koch
$0.00H&K Barrel Retaining Pin - 5.15mm This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunion. Each pin is slightly oversized for...HKP-01662$0.00 -
H&K HK .40 O-ring for Barrel - Green
H&K Heckler & Koch
$4.95HK German .40 Cal Barrel O-ring Get them while you can, as they are no longer made in green and are only offered while supplies last. The green o-rings were first used on the older HK pistols. Made from the same material as the...HKP-01985$4.95 -
H&K HK USP/Tactical/Expert Complete Recoil Assembly
H&K Heckler & Koch
$94.95H&K HK USP/ Tactical/ Expert Complete Recoil Assembly Brand new factory German manufacture. Compatible With: HK USP 45 Tactical HK USP 45 Expert HK USP 45 Elite Tech Note: The USP Tactical recoil assembly can be used in a standard USP 45 without...HKP-01160$94.95 -
HKP 17 Round HK P2000/USPC Complete .40 S&W Magazine - Black
H&K / HK Parts
$79.95HKP 17 Round HK P2000/USPC Complete .40 S&W Magazine - Black HK P2000 +5 magazine extension coupled with a new full-size HK P2000 .40 Cal 12 round magazine. Each unit is then fully assembled as a 17 round HK P2000 magazine. Ideal for competitive...HKP-18642$79.95 -
HKP Picatinny Rail For HK Receivers - 15 Slot
HKP HK Parts
$59.95HKP Picatinny Rail For HK Receivers - 15 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...HKP-18241$59.95 -
RCM MP5K/SP89 9mm Full Auto Bolt Carrier
RCM
$146.95MP5K Full Auto Bolt Carrier - US- Made - RCM This part is machined from billet ordnance steel. Our US-made MP5K carrier is made to the most updated and latest MP5K F specs. Tungsten filled, heat treated, and factory fresh production. Providing the finest...HKP-01190$146.95 -
H&K 10 Round HK MR556/416 5.56/.223 Magazine - Black
H&K Heckler & Koch
$69.95HK416 & MR556 Factory - 10 Round Steel Maritime Coated Magazine Compatible with AR-15 & M16 firearms. All steel & stainless construction, maritime coated & made to last a lifetime. Compatible With: HK MR556 HK 416 HK...HKP-02421$69.95 -
H&K HK USP/Mark 23 Recoil Assemblies Snap Ring
H&K Heckler & Koch
$7.95H&K HK USP/Mark 23 Recoil Assemblies Snap Ring The snap ring secures the spring onto the recoil buffer spring assembly. This part can come loose and become lost or easily worn. Once you remove them, HK suggests replacing them with a new snap ring...HKP-01258$7.95 -
HKP HK MR556/416 Handguard Rail System Hex Screw
HKP HK Parts
$9.95HK416, MR556 Replacement Handguard Rail Screw - Hex- Stainless Steel Hex head replacement handguard retension screw for your HK416, MR556 forearm. Made in the USA from 17-4 SS with a 5mm hex head for ease and use when installing and taking off the...HKP-17657$9.95 -
HKP UMP Parts Kit - .45 ACP
HKP HK Parts
$999.95HKP UMP Parts Kit - .45 ACP HK Parts brings a complete UMP Parts kit that includes everything you require to complete any stripped receiver. Our new parts kits will have the highest quality parts for ultimate reliability. Guaranteed to be the most...HKP-21433$999.95 -
IMI UZI Lower, Grip Complete
IMI
$74.95Uzi Lower Complete - IMI Manufactured For The German Military Surplus IMI Manufactured Uzi Grip (lower) complete with all internals as shown. Each lower comes complete with all internals, grips and mag release assembly installed. Perfect for spare parts...HKP-16683$74.95 -
H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED
H&K Heckler & Koch
$29.95H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED Enhance your H&K firearm with this authentic contract housing, featuring a 3-position pictogram (S, U, O) for versatile fire control...HKP-19912$29.95 -
H&K USP/USPC/VP40 Extractor Spring
H&K Heckler & Koch
$7.95H&K USP/USPC/VP40 Extractor Spring The extractor spring is one of the hardest working parts of your HK pistol. The extractor spring should be changed every 5K rounds. A must-have spare part to have on hand. Compatible With: HK USP 9, 40 .45...HKP-01079$7.95 -
HKP .45 ACP Thread Protector - Threaded 16x1 LH
HKP
$14.95HKP .45 ACP Thread Protector - Threaded 16x1 LH This .45 caliber thread protector fits all full-size and compact barrels with 16x1 LH threads. Made in the USA from stainless steel with a nitride finish, it's essential for protecting your threaded barrels...HKP-19669$14.95 -
PTR HK 93/53/33 & G3/91 (5.56/.223) & (7.62x51/.308) Bird Cage Flash Hider - Threaded 15x1 RH
PTR
$19.95PTR HK 93/53/33 & G3/91 (5.56/.223) & (7.62x51/.308) Bird Cage Flash Hider - Threaded 15x1 RH Crafted to exacting HK specifications, our new flash hider is manufactured in the USA by PTR 91. This component delivers unparalleled performance and...HKP-01447$19.95 -
H&K 91/G3 (7.62x51/.308) Cocking Handle Support
H&K Heckler & Koch
$17.95New HK German 91, G3, & PTR Cocking Handle Support A genuine German Heckler & Koch all-steel part. Compatible With: HK 91 HK G3 PTR-91 PTR-32 HK .308 Custom builds & clonesHKP-01442$17.95 -
H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent
H&K Heckler & Koch
$149.95H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent In excellent shape! Most have never been on a firearm. They may have storage and handling marks on the polymer housing. Specifications: Made...HKP-19913$149.95 -
HKP - 17 Round HK45 Magazine
$119.95HKP - 17 Round HK45 Magazine HK45 & HK45 tactical +7 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 17 round HK45, HK45 tactical magazine. Ideal for competition shooters that would like...HKP-20787$119.95 -
B&T Short Style Vertical Grip - Picatinny - Black
B&T Brugger & Thomet
$74.95B&T Short Style Vertical Grip - Picatinny - Black B&T Vertical Grip - Short Style- Fixed Swiss made B&T short vertical forend grip. This foregrip is designed to be easily attached to the picatinny rail using the knurled screw. Made of black...HKP-18426$74.95 -
H&K HK 17 Round HK VP9 Magazine Locking Plate
H&K Heckler & Koch
$8.95Magazine Locking Plate for 17 Round Magazine - HK VP9, P30 New HK German factory part. This is the locking plate for the bottom of the magazine spring on the newer VP9/P30 17 Round magazine.HKP-19322$8.95 -
H&K HK USP/45/P30/P2000 12LB Stock Hammer Spring
H&K Heckler & Koch
$8.9512LB Stock Hammer Spring This is the spring used in some custom trigger jobs, along with other trigger return and firing pin block springs. This spring can be used on the P30 along with the light trigger return spring and light firing pin block...HKP-01284$8.95 -
H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - USED
H&K Heckler & Koch
$64.95H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - USED With the availability of available grip frames being hard to find these days. HK Parts has another offering that will not break the bank. Pulled from...HKP-19802$64.95 -
HKP MP5/HK94 Complete Weldment Set For Receiver Flat
HKP HK Parts
$59.95HKP MP5/HK94 Complete Weldment Set For Receiver Flat This is the finest, most correct weldment set for your HK MP5, 94 project available. Each Weldment Kit Contains: 1x Semi Auto Shelf Hanger Block 1x Rear stock bushing 1x Scope mounting piece 1x...HKP-01453$59.95 -
HKP Roller +9 - New - 8.09mm
HKP HK Parts
$8.99Roller +9 - New - 8.09mm HK Parts Standard (8.09 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19438$8.99 -
HKP SEF Enhanced Ambi Selector Set - Navy Style
HKP HK Parts
$76.95Ambidextrous Selector Lever Set For SEF Navy Style Polymer Grip Frames Features: Made in the USA Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...HKP-18065$76.95 -
Choate MP5 Replacement Buffer For Folding Stock Or End Cap
Choate
$3.95Choate MP5 Replacement Buffer For Folding Stock Or End Cap Compatible With: Choate MP5 and MP5K Stocks or End Caps (NOT compatible with MP5 .22 LR)HKP-00116$3.95 -
HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH
HKP HK Parts
$29.95HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH The HK Parts Micro Comp & Thread Protector is a lightweight, dual-purpose accessory that functions as both a compensator and thread protector. It easily attaches to any factory-spec .578x28 RH .45...HKP-20213$29.95 -
Sale
Magpul Glock 17 17-Round 9mm Magazine - Black
Magpul
Now: $10.95Was: $16.95Magpul Industries 17-Round PMAG 9mm Magazine for Glock 17, Black The PMAG GL9 is a 17-round Glock 9mm handgun magazine featuring a new proprietary all-polymer construction for flawless reliability and durability over thousands of rounds. High...HKP-19397Now: $10.95Was: $16.95 -
PTR MP5 Tri-Rail Forearm
PTR
$149.95PTR MP5 Tri-Rail Forearm US made and comes with 3 independent 4" removable rails that are fully modular and able to add and remove at will. Made in the USA. Low profile and the most modular of any picatinney style forearm available. The Picatinney Rails...HKP-17782$149.95 -
Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$56.99Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The luminescent green chevron stripe...HKP-20452$56.99 -
HKP HK USP45/Mark 23 +10 Magazine Extension
HKP HK Parts
$69.95Magazine Extension - +10 - HK USP .45 & Mark 23 This listing is for the magazine extension ONLY. This is not a complete magazine. The referenced magazine capacity is the total capacity once the...HKP-21371-M$69.95 -
HKP HK VP9/VP40/P30/HK45 Red Dot Pistol Mount - Black
HKP HK Parts
$49.95HK VP9, P30, HK45 Pistol Mount for Red Dot Sights Red Dot mounting plate to allow the use of a Burris Fast Fire, Docter, Vortex Venom or other similar specs Red Dot Sights. Compatible With: HK VP9, VP9SK, VP40 (Excluding VP9 Optics Ready) HK45, HK45...HKP-18507$49.95 -
HKP Semi Elbow Spring For Trigger Pack - Match Grade
HKP HK Parts
$3.74Match Grade Semi Auto Spacer Elbow Spring - USA Manufactured using the best isolated oil tempered, select spring steel available for match grade performance and the utmost longevity. For use on all HK semi auto trigger packs. A must have for those...HKP-18002$3.74 -
H&K HK VP9, HK VP40 Half Shell Spring Washer - Black
H&K Heckler & Koch
$4.95H&K HK VP9, HK VP40 Half Shell Spring Washer - Black 2 units needed for complete set. Brand new factory German HK. This item is the item that cradles the firing pin and is covered by the firing pin sleeve and spring assembly.HKP-16832$4.95 -
HKP HK MP5, SP5 Handguard - OD Green
HKP HK Parts
$39.95HKP HK MP5, SP5 Handguard - OD Green New USA MP5 O.D green handguard is also known as the tropical wide forearm. Now you can further customize your MP5/ SP5 with this new color grip and, best of all, it counts as 1 U.S complaint part for the 922r. This...HKP-20593$39.95 -
H&K HK MR556/416 14.5"/16.5" Rear Diopter Sight
H&K Heckler & Koch
$199.95HK MR556 & 416 14.5"/16.5" Rear Diopter Sight HK German Rear Diopter Sight is the proper rear sight to pair with all HK 416 14.5, and MR556 uppers and rifles. This sight can be paired with a fixed front sight or folding front sight.HKP-00027$199.95 -
HKP HK VP9, HK VP40 Competition Magwell Extension - Black
HKP HK Parts
$74.95HKP HK VP9, HK VP40 Competition Magwell Extension - Black The HK Parts manufactured Competition VP9//VP40 extended flared magwell is CNC machined in the USA from billet aircraft grade aluminum that is hard coat anodized & Teflon coated for maximum...HKP-17756$74.95 -
Grayguns HK P30, P2000 Short Reset System 4.1 Trigger
Grayguns
$90.00Grayguns HK P30, P2000 Short Reset System 4.1 Trigger Replicate our custom in-house short reset conversion with a drop-in kit for your HK P2000 or P30 without a thumb safety. Cut from bar stock steel, these kits provide an exacting fit for...HKP-19754$90.00