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 UMP (.40 S&W/.45 ACP/9mm) Paddle Mag Release
H&K Heckler & Koch
$16.95UMP Paddle Magazine Release This is a common repair and replacement part as they are easy to break on the UMP lower. Simple and easy to install with no gunsmith needed or required. Compatible With: UMP .45 UMP .40 UMP 9mm Please Note: This...HKP-00810$16.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
H&K Heckler & Koch
$20.95HK German USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear and replacement item and a must-have for spare parts. Compatible With: HK USC .45 HK UMP modelsHKP-00594$20.95 -
HKP 9mm Ambidextrous US Made Trigger Pack - 4 U.S. 922r Parts
HKP HK Parts
$309.95HKP 9mm Ambidextrous US Made Trigger Pack - 4 U.S. 922r Parts HK MP5/94 9mm Semi-Auto Trigger Pack Complete. Assembled and ready install on your firearm. The components that count towards 4 of the 922r compliant parts include the trigger pack box,...HKP-18269$309.95 -
H&K / HKP HK SP5 Replacement Parts Kit
HK Parts, Heckler & Koch
$229.95H&K / HKP HK SP5 Replacement Parts Kit This kit has the the most commonly worn parts needed to keep your precious MP5/MP5K going. Our German and U.S. spare parts kit has everything you will need to keep feeding rounds down range. Our spare parts kit...HKP-20919$229.95 -
H&K Claw Mount Screw For Optics & Rails
H&K Heckler & Koch
$3.95H&K Claw Mount Screw For Optics & Rails HK German rail screw that is used on the HK claw mount to add an optic such as a Hendsoldt or Stanag optic to the claw mount. The screw is used German surplus manufacture but in perfect shape for use on all...HKP-17921$3.95 -
HKP +5 HK P2000/USPC 9mm Magazine Extension
HKP HK Parts
$49.95HKP +5 HK P2000/USPC 9mm Magazine Extension HK Parts magazine extension +5 adds 5 additional rounds to the HK P2000, 13 round magazine. It uses the existing mag body, spring, and follower. Just slide the magazine extension on and tighten it and you're...HKP-18661-M$49.95 -
Out Of StockOn Sale
HKP HK USP .45/Mark 23 Enhanced Magazine Extension Kit +5 - BLEMISHED
HKP HK Parts
Now: $24.95Was: $49.95HKP HK USP .45/Mark 23 Enhanced Magazine Extension Kit +5 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: This listing is for the...HKP-21458-RE-BNow: $24.95Was: $49.95 -
HKP Roller +5 - New - 8.05mm
HKP HK Parts
$8.99Roller +5 - New - 8.05mm HK Parts Standard (8.05 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...HKP-19440$8.99 -
Comp-Tac HK 45 Full Size Comp Carry Holster
Comp-Tac
$79.95Comp-Tac HK 45 Full Size Comp Carry Holster This custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight installed. Manufactured by the best holster company in the...HKP-20585-M$79.95 -
H&K 10 Round HKP2000/USPC .40 S&W Flat Floorplate Magazine - Black
H&K Heckler & Koch
$59.00H&K 10 Round HKP2000/USPC .40 S&W Flat Floorplate Magazine - Black New HK German manufacture. Compatible With: HK USP Compact .40 S&W HK P2000 .40 S&WHKP-02377$59.00 -
Out Of Stock
H&K 33/91/93/G3 Replacement Carry Handle - Used
H&K Heckler & Koch
$34.95HK German replacement carry handle for HK91, G3, HK93, & HK33 Weapon Systems - Used DOES NOT INCLUDE THE BRACKET. BRACKET INCLUDED IN SECOND PICTURE IS FOR REFERENCE ONLY. HK German used surplus condition. Great replacement unit for handles...HKP-17150$34.95 -
H&K Burst Trigger Pack Compression Rod Spring
H&K Heckler & Koch
$10.95H&K Burst Trigger Pack Compression Rod Spring Burst pack compression spring for compression rod found in all HK Burst Trigger Packs. This part, along with the compression rod, is the number one most common wear or breakage parts in HK Burst Packs...HKP-16199$10.95 -
H&K Heavy 8.5 lbs Trigger Return Spring
H&K Heckler & Koch
$16.99H&K Heavy 8.5 lbs Trigger Return Spring Also known as the heavy LEM trigger spring for the LEM and TGS conversions. Compatible With: HK USP Full Size 9mm, .40 & .45 HK USP Compact 9mm, .40 & .45 HK Tactical, Elite & Expert All...HKP-02265$16.99 -
HKP (5.56/.223) & (7.62/.308) Muzzzle Brake Compensator - Threaded 15x1 RH
HKP HK Parts
$29.95HKP (5.56/.223) & (7.62/.308) Muzzzle Brake Compensator - Threaded 15x1 RH This compensator is perfect for any 15x1 RH Barrel. Specifications: Threaded 15x1 RH Compatible With: HK G3/91/PTR HK 93/53/33 HK MR223 HK 416/MR556 HK 417/MR762 HK...HKP-19738$29.95 -
On Sale
HKP 20 Round Extended Magazine - Glock 19
HKP HK Parts
Now: $43.95Was: $59.95HKP 20 Round Extended Magazine - Glock 19 - Black Each unit is fully machined from a solid billet of aircraft-grade aluminum that is fully hard coat anodized and set up for a lifetime of use. Completely assembled with a enhanced extended spring and a 15...HKP-20849Now: $43.95Was: $59.95 -
HKP HK MP5/K 9mm Knurled Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$26.95HKP HK MP5/K 9mm Knurled Micro Comp - Threaded 1/2x28 RH Our new MP5 Micro Comp combines the classic appearance of a factory-style thread protector with enhanced functionality. Extended and slotted, this micro compensator not only preserves the factory...HKP-21176$26.95 -
HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - Red
HKP HK Parts
$29.95HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - Red A direct replacement for the cheap plastic slide plate that comes stock with your HK VP9, VP40. A great way to dress up and enhance your HK VP9, VP40 pistol. Made from CNC'ed aircraft grade aluminum,...HKP-17677$29.95 -
LSC/PTR Receiver Flat- MP5 9mm
LSC
$239.95MP5 Receiver Flat - PTR/LSC New PTR 9mm Receiver Flat made on the original LSC tooling. This flat is considered by many to be the most sought-after HK flat available on the market and perfect for that HK custom build. This item is not considered an FFL...HKP-01431$239.95 -
Magpul - M-LOK AFG (Angled Fore Grip)
Magpul
$28.95Magpul - M-LOK AFG (Angled Fore Grip) The Magpul M-LOK AFG (Angled Fore Grip) is the result of research and refinements done to the original AFG and AFG-2. By integrating the direct-attach M-LOK mounting system with minimalist construction we were able...HKP-17267$28.95 -
MI HK MP5-A2 Handguard, M-LOK Compatible
MI Midwest Industries
$138.95MI HK MP5-A2 - M-LOK Handguard Features: Professional grade one piece design Simple installation, includes all tools Extremely lightweight design Shortened to allow for use of front sling attachments MI Lifetime Warranty Patent pending Compatible...HKP-19363$138.95 -
H&K 10 Round HK USP .45 ACP Extended Floor Plate - Black
H&K Heckler & Koch
$12.95H&K 10 Round HK USP .45 ACP Extended Floor Plate - Black This is a great part to stock up on as the 10-round tabs are known for breakage, or if you have large hands, the extended floorplate is a must-have upgrade. Compatible With: HK USP .45...HKP-01281$12.95 -
H&K HK MR556/MR762/416/417 Detent Takedown Pin
H&K Heckler & Koch
$7.95HK MR556, 416, MR762, & HK 417 Takedown Detent Pin Compatible With: HK 416 HK MR556 HK MR762 HK 417HKP-02540$7.95 -
H&K HK USP/45/45C Detent Compression Spring
H&K Heckler & Koch
$8.95HK Slide Detent Compression Spring For All HK USP & HK45, HK45C Models The detent spring is needed for positive de-cocking and safety functions of the detent plate. A spare and replacement part as it is prone to breakage and wear. This is also one of...HKP-01257$8.95 -
H&K MP5K/SP89/SP5K 9mm End Cap
H&K Heckler & Koch
$99.95HK Factory German MP5K, SP-89, & SP5K End Cap With Sling Swivel Each pistol end cap is OEM HK German MP5K and MP5K-N and has the HK German factory buffer. Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K Clone Or Other Custom BuildsHKP-00394$99.95 -
H&K SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
H&K Heckler & Koch
$129.95German HK SP5K Anti-Rattle Roller Tipped Paddle Magazine Release Kit No modifications, no refinishing...complete drop-in kit included New HK German & USA made paddle mag release kit for the HK SP5K. This kit will allow any end-user to quickly...HKP-18082$129.95 -
HKP HK P30L, HK P30LS Quick Detach Compensator V2 - Black
$149.95HKP HK P30L, HK P30LS Quick Detach Compensator V2 - Black Easy on, easy off - Quick Detach technology. The HK Parts P30L Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol...HKP-18083$149.95 -
PTR Universal Windage Adjustment Knob For Rear Sight
PTR
$9.95HK 90 Series Hand Windage Adjustment Knob For Rear Sights Steel windage screw that allows you to adjust the windage for the rear sights with a quick and easy adjustment without the use of a screwdriver as found on the factory rear sight screws. Perfect...HKP-01444$9.95 -
Surefire - 328LMF - Lighted Forearm
Surefire
$599.95Surefire - 328LMF - Lighted Forearm The SureFire 328LMF-B replaces the original forend of your Heckler & Koch MP5 submachine gun, HK53 rifle, or HK94 carbine. Extremely compact 3-volt (1-battery) system features a virtually indestructible LED emitter...HKP-17632$599.95 -
GSG9 HK G36/SL8 (5.56/.223) Forearm, Lower, Magwell - Push Pin
GSG9
$21.95HK G36, SL8 Push Pin For Forearm, Magwell & Lower Each push pin/locking pin retains the forearm, magwell & lower to the upper receiver. Each G36 style firearm uses a total of 3X of these push pins. Compatible With: G36 G36K G36C G36...HKP-18221$21.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock Complete - Black - Surplus
H&K Heckler & Koch
$129.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...HKP-18936$129.95 -
H&K Flash Hider Retaining Ring
H&K Heckler & Koch
$1.49HK Flash Hider Retaining Ring Brand new HK German manufacture. HK flash hider/muzzle break retaining ring. This item is the ring that fits inside the flash hider that indexes with the splines of the HK barrel to provide a postive lockup of...HKP-16451$1.49 -
H&K HK 45/USP/Tactical Recoil Spring
H&K Heckler & Koch
$13.95HK 45/USP/Tactical Recoil Spring New HK Factory recoil spring (Factory 14lb) for USP 45 full size. Compatible With: HK USP 45 HK 45 Tactical HK 45 Elite, Expert Works as a slightly heavier recoil spring for the USP 9mm & .40 pistols (12.5 lb...HKP-01982$13.95 -
H&K HK 45C/USPC/P2000/P30 Recoil Rod Bushing Sleeve
H&K Heckler & Koch
$9.95Recoil Rod Bushing Sleeve It is a must-have spare part to have on hand as this is a high-wear item. Compatible With: HK 45 Compact, HK45C Tactical HK USP Compact 9mm HK USP Compact .40 & .357 Sig HK USP Compact .45 ACP HK P2000...HKP-01765$9.95 -
H&K HK MP7A1, MP7A2 Flip Front & Rear Sight Set
H&K Heckler & Koch
$529.95H&K HK Parts MP7A1, MP7A2 Flip Front & Rear Sight Set Includes front and rear iron sights, which allows the shooter to see the target and enables faster sight acquisition. This sight set is compatible with the G36, 416, or all other Picatinny...HKP-00024$529.95 -
H&K HK P2000/USPC .40 S&W Rubberized Floor Plate - Black
H&K Heckler & Koch
$18.95HK P2000/USPC .40 S&W Rubberized Floor Plate - Black Newer HK German production upgraded rubberized floor plate with finger rest. The older style plates were prone to breakage when dropped, this is the latest style that HK introduced to solve this...HKP-01556$18.95 -
H&K MP5K/SP5K 9mm SEF Trigger Housing - Universal
H&K Heckler & Koch
$199.95H&K MP5K/SP5K 9mm SEF Trigger Housing - Universal A one size fits all approach for the MP5K and SP5K style semi-auto shelf. This is the best option for MP5K and SP5K receivers. Easily interchange the lower trigger group assembly without swapping...HKP-20557$199.95 -
HKP HK MP5 .22LR - Universal Optic Mount - Black
HKP HK Parts
$119.95HKP HK MP5 .22LR - Universal Optic Mount - Black Just in! Our latest and greatest MP5.22 optic mount that is a true universal mount. Using the same VP9 optic ready format and optic plates you can now mount any optic mount that is compatible with any VP9...HKP-20968$119.95 -
On Sale
HKP HK USP, P2000, HK45C Enhanced Magazine Release - FDE
HKP HK Parts
Now: $29.95Was: $44.95Enhanced Magazine Release -HK USP, P2000, HK45C - FDE 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 position...HKP-21491Now: $29.95Was: $44.95 -
HKP MP5, 94 Operator's Manual
HKP HK Parts
$14.95HKP MP5, 94 Operator's Manual The MP5, 94 or other HK MP5 clones Operator Manual is 36 pages of a page by page translation of the original Bundeswehr ( German Federal Army) instruction manual for their service machine pistol, the MP5. There are 26...HKP-15765$14.95 -
HKP MP5, HK94 Cocking Tube
HKP HK Parts
$79.95New HK MP5/HK94 Cocking Tub Features include an enlarged charging handle, clamping pin, and access hole, as found on the latest style MP5F/40/10 cocking tube. Compatible With: MP5, 94 Custom HK MP5, 94 style buildsHKP-01843$79.95