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, 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 Rear Sights Windage Screw - HK 90 Series
H&K Heckler & Koch
$4.95H&K Rear Sights Windage Screw - HK 90 Series This is a hard-to-find rear sight screw new from HK Germany - not surplus.HKP-00867$4.95 -
HK Recoil Rod Guide Ring For Recoil Rod Assemblies
H&K Heckler & Koch
$7.99HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible with: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.HKP-00143$7.99 -
HKP 20 Round HK USP/Tactical 9mm Magazine
HKP HK Parts
$89.95HKP 20 Round HK USP/Tactical 9mm Magazine HK USP 9mm Tactical +5 magazine extension coupled with a new full size HK USP 9mm & USP 9mm Tactical 15 round magazine. Each unit is then fully assembled as a 20 round HK USP 9mm, USP 9mm Tactical magazine...HKP-21094$89.95 -
Out Of Stock
HKP HK MP5K Vertical Grip VFG M-LOK - Black
HKP HK Parts
$49.95Our VFG for the MP5K platform is now M-LOK compatible. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a true ambidextrous vertical grip. Made in the USA and counts as one US made 922R compliant...HKP-20737$49.95 -
HKP HK P30 Series Enhanced Magazine Release
HKP HK Parts
$49.95Enhanced Magazine Release - Alloy - HK P30, P30SK, P30L New HK parts enhanced and over-sized magazine release. The over-sized magazine release increases the overall surface area and makes it possible to release the magazine without changing the...HKP-21153-M$49.95 -
RCM 36 Degree Locking Piece #17
RCM
$74.95HK G3, 91, PTR HK Custom Builds or clones HK 21E. seriesThese are also the best LP to use when using a suppressor on your HK91, G3 style of firearm.HKP-02520$74.95 -
HKP HK UMP .45 & UMP .40 Dual Magazine Clamp
$49.95UMP .45/.40 Dual Magazine Clamp/CouplerThe UMP mag clamp fits all .45 and .40 UMP magazines. Holds two magazines together for ease of use and easy access to 2 magazines. Made in the USA. Billet machined and hard coat anodized. Dual-Magazine clamp for...HKP-19539$49.95 -
H&K 10 Round HK VP40/P30 .40 S&W Magazine - Black
H&K Heckler & Koch
$49.00HK VP40, P30, P30S & P30L .40 - 10 Round magazine New HK German manufacture. It is a CA, NY, compliant magazine because it holds 10 rounds. Hard to find in this configuration.HKP-01739$49.00 -
H&K HK VP/P30 Magazine Spring
H&K Heckler & Koch
$8.95HK VP9, VP40 & P30, P30S & P30L - Magazine Spring A must-have replacement item as magazine springs should be replaced regularly as this is a consumable part and is prone to wear and tear. Compatible with all standard capacity 9mm & .40 cal...HKP-01613$8.95 -
Out Of Stock
HKP MP5 RMR Rear Site Optic Mount
HKP HK Parts
$97.95HK MP5- RMR Optic Mount: The Finest mounting solution to properly mount your RMR directly to the rear sight base on an MP5 or any other receiver that utilizes the same style rear sight base.The mount is the perfect height to co-witness your RMR with your...HKP-20506$97.95 -
MP5K, SP89 & SP5K - Forearm With Handstop
$29.95MP5K, SP89, SP5K, Reverse Stretch Forearm With Hand Stop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus this item counts as a US made part toward 922R compliance. This is the finest forearm available for your HK firearm. Made...HKP-16466$29.95 -
Out Of Stock
B&T MP5, MP5K Low Mount For T1/H1 & T2 Aimpoint
B&T Brugger & Thomet
$99.95B&T MP5, MP5K Low Mount For T1/H1 & T2 Aimpoint Fits all HK MP5, MP5K variants. Ideal for use with the Aimpoint line of T-1/T2 & H-1/H2 type of optics. This mount is the lowest low profile mount available for use with the T1/T2 style of...HKP-16862$99.95 -
DTAC MP5, HK94 Modular Handguard-M-LOK
DTAC Dakota Tactical
$165.95FEATURES: M-LOK accessory compatible 11 ergonomically placed full-slots and 5 half-slots yielding 22 possible accessory locations for maximum versatility Exclusive extended forward accessory mounting 1-piece main body machined from T6 strength aluminum...HKP-17806$165.95 -
H&K HK 12 Round VP9SK/P30SK 9mm Extended Floorplate Magazine - Black
H&K Heckler & Koch
$49.00New Factory HK VP9SK & P30SK 12 Round Magazine with Extended Floorplate.HKP-20604$49.00 -
H&K HK P30/USPC/45C/P2000 Firing Pin Spring
H&K Heckler & Koch
$8.95H&K HK P30/USPC/45C/P2000 Firing Pin Spring A must have spare replacement part to keep on hand and to swap out during pistol servicing. Compatible with: HK USP Compact 9mm HK USP Compact 40 & .357 HK USP Compact 45 HK P2000 Series HK P2000SK...HKP-01502$8.95 -
H&K HK SEF & Navy 3 Position Trigger Spring
H&K Heckler & Koch
$4.95HK 90 Series SEF & Navy Style Trigger Return Spring For HK 90 series 91, 94, 93, etc. (semi or full-auto). This item will fit any NON-burst trigger pack. Compatible with: MP5, MP5K, SP89, & SP5K HK G3, HK91, PTR HK 93, 33, HK33K, &...HKP-01092$4.95 -
H&K MP5, HK94, MP5K, SP89 & SP5K Firing Pin
H&K Heckler & Koch
$39.95H&K MP5, HK94, MP5K, SP89 & SP5K Firing Pin - German Compatible With: MP5 HK94 MP5K SP89 SP5KHKP-00061$39.95 -
HKP Rail Mount Compensator Replacement Screw Set
HKP HK Parts
$4.95Replacement Screws for Rail Mount CompensatorReplacement Screw Set for the HK Parts Rail Mount Compensators. This includes (2) screws.Compatibility: All HK Parts Rail Mount CompensatorsHKP-19674$4.95 -
Out Of Stock
HKP, Magpul MP5K VFG w/Rail Section - 3 Slots
HKP HK Parts, Magpul
$69.95New VFG for the MP5K platform is now M-LOK compatible and comes with a Magpul Aluminum 3 slot rail. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a true ambidextrous vertical grip. Only the best...HKP-20726$69.95 -
Raddlock MP5 & MP5K Magazine Block - 10 Round
Raddlock
$9.95Magazine Block Plug To Reduce HK MP5 30 Round Magazine To 10 rounds MP5 10/30 mag block plug. This is designed to use on the HK MP5 30 Round Magazine. Very easy to install & use. Fits all HK MP5, MP5K 30 round curved magazines. MP5, MP5K clones or...HKP-02434$9.95 -
Out Of Stock
Bill Springfield HK 91 Improved Buffer System
Bill Springfield
$79.95HK Improved Buffer System - HK91Bill Springfield developed a new piston and spring assembly that reduces the felt recoil up to 30% on any HK or clone utilizing the standard assembly. This piston is 2x longer than stock, the spring is about 25% lighter...HKP-19914$79.95 -
Ejector Lever Axel Retaining Spring
USA
$1.95Ejector Lever Axel Retaining Spring Ring This is the perfect spring ring to replace your worn out ejector lever axel spring ring. Made out to HK spec for the best US replacement part on the market. Compatible for all 90's series style trigger packs...HKP-20629$1.95 -
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 -
HKP HK 91/G3 (7.62x51 / .308) Weldment Set Complete
HKP HK Parts
$64.95HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X rear...HKP-17509$64.95 -
On Sale
HKP MP5, MP5K Cocking Handle - BLEMISHED
HKP HK Parts
Now: $4.95Was: $9.95HKP MP5, MP5K Cocking Handle - Blemished Each new US-made cocking handle is an exact copy of the latest-generation German cocking handle. Our US-made HK cocking handle is a great spare to have on hand or to upgrade your clone to the finest US-made...HKP-00653-BNow: $4.95Was: $9.95 -
H&K HK MR556/MR762/416/417 Front Sight
H&K Heckler & Koch
$149.95HK MR556, HK416 & MR762 & HK 417 Fixed Front Sight Assembly German HK front fixed sight for use with a rear diopter style sight. It can also be used on some other Ar-15/M-16 applications. Complete with all mounting hardware for a Picatinny rail...HKP-00025$149.95 -
Meprolight HK USP Fully Adjustable Tactical Night Sight Set - Green
Meprolight
$149.99Meprolight HK USP Fully Adjustable Tactical Night Sight Set - Green Meprolight Tritium night sights for HK USP pistols are fully adjustable and the recommended tactical night sight of choice. The front and rear sight have tritium green dots and a raised...HKP-01721$149.99 -
B&T HK MP5, SP5, HK94 Lightweight Tri-Rail Handguard
B&T Brugger & Thomet
$259.95B&T LIGHTWEIGHT TRI-RAIL HANDGUARD FOR MP5/SP5/HK94 B&T's Lightweight Tri-Rail Handguard is almost 25% lighter with practically identical construction. The handguard offers a total of three NAR/Picatinny rails. One on each side and one on its...HKP-19737$259.95 -
HKP HK MP5 .22LR M-LOK Pistol Model Handguard
HKP HK Parts
$99.95HK MP5 .22 Low Profile Forearm M-LOK The MLOK tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required a true drop in option. Designed from the ground up by HK enthusiasts with your shooting needs...HKP-20305$99.95 -
H&K HK Mark 23 Thread Protector
H&K Heckler & Koch
$24.95New factory HK Mark 23 SOCOM thread protector This is the only thread protector that HK offers that will fit the HK Mark 23 Pistol. This is a hard-to-find item and a must-have for all MK23 Owners. Compatible with: All H&K Mark 23/ SOCOM barrels...HKP-00293$24.95 -
H&K HK MR556/416 Tungsten Recoil Buffer
H&K Heckler & Koch
$76.95H&K HK MR556 & 416 Tungsten Recoil Buffer The proprietary tungsten HK-manufactured buffer is one of the reasons why the HK 416 and MR556 are as reliable as they are. This is the perfect addition to all AR/M16 uppers. Compatible With: HK...HKP-00041$76.95 -
H&K HK MR556/MR762/416/417 Handguard Rail Cover - Black
H&K Heckler & Koch
$19.95HK 416, MR556, & MR762 Quad Rail Picatinny Rail Cover - Black Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible...HKP-01743$19.95 -
H&K Roller Retainer Plate For Rollers
H&K Heckler & Koch
$25.95New HK German Roller Retainer Plate For Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5, 94 MP5K, SP89 HKG3, 91,...HKP-00065$25.95 -
JMAC Customs MP5K/SP89/SP5K 9mm Rear Stock Adapter with Picatinny Rail
JMAC Customs
$94.95This Rear Stock Adapter allows you to attach any 1913 Style Stock, Brace to your MP5K.The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many traditional stock setups. This Stock Adapter Features: -7076 T6...HKP-18990$94.95 -
MP5 & HK94 Recoil Rod Assembly
USA
$37.95HK MP5, SP5, & HK94 Recoil Rod Assembly - Complete And Micro-Polished All stainless steel rods and ends. This is a great item to have on hand as a spare part. Compatible with: HK MP5, HK SP5, HK94 HK MP5 SD HK MP5 full-size clones...HKP-02168$37.95 -
H&K 40 Round HK 93, 33, 53 5.56 x 45mm/.223/300 Magazine - Used
H&K Heckler & Koch
$80.00HK93, HK33, HK53 - 40 Round Magazine - Genuine German HKHK Factory German 40 round surplus magazine. This factory magazine is long since out of production and is made from Aluminum, steel and polymer. Used in good condition. A rare find and only...HKP-19761$80.00 -
Out Of Stock
HKP MP5 9mm - 3 Lug Flash Hider
HKP HK Parts
$99.95Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on in spec aftermarket conversions...HKP-17228$99.95 -
3 Point Factory Sling HK German - Green
$69.953 Point Factory Sling HK German - Green New HK German manufactured. This sling can be used as a 2-point or 3-point sling on your HK firearm. This sling is the factory HK-issued sling that came on the 90 series of firearms. Compatible...HKP-00182$69.95 -
B&T MP5 & HK94 UMP Style Folding Stock
B&T Brugger & Thomet
$279.95B&T MP5 & HK94 UMP Style Folding Stock New Swiss/German HK Made B&T Folding Stock for the MP5/ SP5 Full Size. These are hard to find and the real deal. 100% Swiss & German HK Made. Fits all HK MP5, SP5, 94, and other full size or clones...HKP-16928$279.95 -
B&T Quick Detach Short Style Vertical Grip - Black
B&T Brugger & Thomet
$74.95B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water tight storage compartment in the bottom of the...HKP-17679$74.95