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
H&K HK G36 Rubber Optical Sight Cover
H&K Heckler & Koch
$10.95H&K HK G36 Rubber Optical Sight CoverHKP-16377$10.95 -
H&K HK G36/G36K/G36C Sling
H&K Heckler & Koch
$64.95New HK German carrying sling without quick release. 38 mm wide Compatible With: G36 G36K G36CHKP-18459$64.95 -
H&K HK Mark 23 6.7mm +2 Rear Sight
H&K Heckler & Koch
$54.95HK Mark 23 Rear Sight - 6.7 mm This sight comes 6.7mm height +2mm over the stock height. Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12)HKP-02256$54.95 -
H&K HK MR556/416 Charging Handle Release Latch
H&K Heckler & Koch
$39.95HK Ambidextrous HK416, MR556 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to...HKP-16553$39.95 -
Out Of Stock
H&K HK MR556/MR762/416 Buttstock Locking Bolt
H&K Heckler & Koch
$0.00H&K HK MR556/MR762/416 Buttstock Locking BoltHKP-16845$0.00 -
H&K HK P7 PSP/P7M8 Magazine Follower
H&K Heckler & Koch
$24.95HK P7 PSP/P7M8 Magazine Follower Compatible With: PSP P7M8HKP-01331$24.95 -
H&K HK USP .45 ACP Trigger
H&K Heckler & Koch
$19.95H&K HK USP .45 ACP Trigger Heckler & Koch German USP 45, trigger. Steel over molded with polymer. Compatible With: HK USP 45 Full SizeHKP-16541$19.95 -
H&K HK USP/45/45C Hammer Axle
H&K Heckler & Koch
$39.95HK USP/45/45C Hammer Axle New HK German manufacture. Compatible With: USP 9mm USP 40 USP Compact 9mm USP Compact 40 HK45 HK45 Compact USP Tactical HK45 Tactical HK45C TacticalHKP-01582$39.95 -
H&K HK XM8 Sling - Black
H&K Heckler & Koch
$99.95H&K HK XM8 Sling - Black New HK German XM8 Tactical Sling. The real deal and a rare HK collectible. Only a few available.HKP-17669$99.95 -
Out Of Stock
H&K MP5 & HK94 9mm Magazine Clamp - Used
H&K Heckler & Koch
$0.00Like New - HK German MP5 & HK94 Or MP5K & SP89 9mm Magazine Clamp. Allows The User To Clamp 2 Magazines Together For Ease Of Use & Safety By Keeping 2 Magazines Usable & At Your Disposal. Another Heckler & Koch Genuine Part.HKP-01730$0.00 -
H&K MP5 40/10 Extractor
H&K Heckler & Koch
$69.95New HK MP5 40/10/.357 Latest Production 1.4mm Extractor This is the latest and greatest upgraded extractor made by HK. This is also a great upgrade for the many out-of-spec clones out there. Compatible With: MP5 40 MP5 10 MP5 .357HKP-00410$69.95 -
H&K MP5 40/10 SEF Clipped & Pinned Semi-Auto Trigger Group Complete
H&K Heckler & Koch
$449.95HK German MP5 40, MP5 10mm SEF Clipped & Pinned Semi-Auto Trigger Group - Complete Ready to install on your HK clone or a custom build.HKP-00447$449.95 -
H&K MP5 40/10 Standard 8mm Roller
H&K Heckler & Koch
$20.95HK German MP5 40/10 8mm Roller - Factory New Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production. Please Note: The price listed is per roller. Order 2 (pair) for a...HKP-00338$20.95 -
H&K P2000 Backstrap w/ Safety - Large - Black
H&K Heckler & Koch
$39.95H&K P2000 Back Strap w/ Safety - Large - Black Perfect for those with large hands. Compatible With: HK P2000HKP-01572$39.95 -
H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger
H&K Heckler & Koch
$19.95HK UMP, USC & G36 Trigger New HK German factory trigger. A great spare or replacement part. Compatible With: HK G36 HK UMP HK USCHKP-16495$19.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Semi
H&K Heckler & Koch
$14.95HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) Only Compatible With: 0,1 or S,F only: HK UMP HK USC HK G36 HK SL8HKP-16361$14.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Right Side (0,1)
H&K Heckler & Koch
$9.95Safe, Semi 0,1 Only HK UMP, USC, G36, & SL8 Right Side Safety Control Lever Constructed from durable black polymer, this factory original part from HK is made in Germany and specifically designed for H&K SL8, G36, and USC rifle. The lever...HKP-01874$9.95 -
H&K VP9, VP40 Backstrap - Medium - OD Green
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Medium - OD Green New HK German manufactured Compatible With: HK VP9 HK VP40HKP-18838$29.95 -
H&K VP9SK, VP40SK Backstrap - Small - Gray
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Small - Gray New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18969$29.95 -
H&K/Hogue Ballista First Responder Knife
Hogue
$239.95H&K/Hogue Ballista First Responder Knife 3.5" Drop Point Blade - Black CerakoteRed/Black ChromaCut G10 Frame Features: Frame: red/black chromacut Deep carry pocket clip (right or left handed, tip up carry) Seatbelt cutter (thumb stud...HKP-21349$239.95 -
HKP (5.56/.223) Compensator Flash Hider - Threaded 1/2x28
HKP HK Parts
$39.95HKP (.556/.223) Compensator Flash Hider - Threaded 1/2x28 Threaded in 1/2x28, this compensator is compatible with HK 416, MR556, and other AR-style applications. The blitz compensator is renowned for its effectiveness, offering a significant upgrade over...HKP-18468$39.95 -
HKP 30 Round HK VP9/P30 Complete 9mm Magazine Magazine - Translucent
HKP HK Parts
$67.95HKP 30 Round HK VP9/P30 Complete 9mm Magazine Magazine - Translucent New HK German VP9/P30 Magazine body combo; pre-installed along with the HK Parts 30 round mag translucent polycarbonate extension kit fully installed. Each offering is complete, fully...HKP-18242$67.95 -
HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug
HKP HK Parts
$249.95HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made melonited nitride MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made to the highest...HKP-16402$249.95 -
HKP HK P2000 +10 Magazine Extension Kit – Black
HKP HK Parts
$64.99HKP HK P2000 +10 Magazine Extension Kit – Black HK Parts magazine extension adds 10 additional rounds to the HK P2000 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine loader...HKP-20811$64.99 -
HKP HK UMP Enhanced Top Rail - Red
HKP HK Parts
$49.95HKP HK UMP Enhanced Top Rail - Red HK USC, UMP top receiver rail with hardware. The extended length allows the use of all optics that fit on a Picatinny rail. This unit has a contoured no snag design for ease of use and a beautiful fit. Includes: Each...HKP-20812$49.95 -
Out Of Stock
HKP MP5, SP5 Wide Handguard With 6" Bottom Rail
HKP HK Parts
$59.95HKP MP5, SP5 Wide Handguard With 6" Bottom Rail HK MP5 wide forearm for all MP5 , SP5 & HK94 variants this MP5 handguard is also known as the tropical wide forearm. This item also has an aluminum 6" bottom rail added to the bottom of the wide...HKP-14538$59.95 -
HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors - For Left Hand Shooters
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized SEF skeletonized style selector lever set modeled after the HK style selector lever for the Franklin Armory trigger packs. With our new skeletonized...HKP-20527$69.95 -
On Sale
Itac Defense HK USPC SIGTAC RH Paddle Holster - Black
Itac Defense
Now: $19.95Was: $39.95ITAC Defense HK USPC SIGTAC RH Paddle Holster - Black Made of durable, high-tech black polymer. These right-handed holsters use a unique patented retention system with a zero time to disengage feature. Simply depressing the lever allows for instant...HKP-01972Now: $19.95Was: $39.95 -
Magpul ACR Folding Stock Section
Magpul
$35.95Magpul ACR Folding Stock Section Factory Magpul replacement folding stock section for ACR Stocks. No hinge pin included. only a few on hand. Once they are all gone there will be no more! Don't miss the chance to obtain replacement stock sections while...HKP-21302-M$35.95 -
MI HK MR556/416 M-LOK Compatible 9" Carbine Handguard
MI Midwest Industries
$229.95MI HK MR556/416 M-LOK Compatible 9" Carbine Handguard Features: Made in the USA Simple installation, direct replacement for HK factory handguard Retains factory barrel nut Mil-Spec top rail Seven sides of M-LOK compatible slots Lightweight, rugged 6061...HKP-18436$229.95 -
MP5 to MP5K Housing Conversion Service
USA
$149.95MP5 to MP5K Housing Conversion Service At HK Parts we are now offering our own HK trigger housing conversion service. No one does a better job with quicker turn around then we do. This conversion is the best option for those that want to install hard to...HKP-20473$149.95 -
Navy Style - SEF - Trigger Group - HK SP5 - Clipped & Pinned
H&K Heckler & Koch
$579.95Navy Style - SEF - Clipped & Pinned Trigger Group - HK SP5 Ready to drop on your SP5 receiver. Great replacement for the 2 position ambidextrous trigger group. Each trigger group is comprised of genuine Heckler & Koch Products. Includes a match...HKP-19319$579.95 -
Out Of Stock
Nefarious Arms HK 416 Gas Block Assembly Tool
Nefarious Arms
$128.95Nefarious Arms HK 416 Gas Block Assembly Tool A Nefarious Arms creation for those that like to service or replace their 416 gas block. This assembly tool will effortlessly help you assemble or disassemble your 416 gas block by simply aligning the two...HKP-21273$128.95 -
Picatinny to Harris Bipod Adapter
HKP HK Parts
$34.95Harris Bipod Adapter This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-style bipod. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and steel.HKP-00909$34.95 -
On Sale
Raddlock Key - HK Series
Raddlock
Now: $4.95Was: $9.95HK Series Raddlock Key And Lanyard Replacement key for firearms equipped with a Raddlock device. Compatible With the Following Raddlock Equipped Firearms: HK G36/SL8 HK USC/UMP AK-47HKP-02447Now: $4.95Was: $9.95 -
On Sale
Safariland 578 GLS Compact Pro-Fit LH Holster - FDE
Safariland
Now: $29.95Was: $47.95Safariland 578 GLS Compact Pro-Fit LH Holster - FDE The Safariland 578 GLS COMPACT HK Pro-fit holster is a multi-purpose holster primarily designed for concealment & comfort. With minor adjustments with the included tool the holster will fit over...HKP-17546Now: $29.95Was: $47.95 -
Strike Industries HK MP7 Flip Up Sight Rail - Black
Strike Industries
$289.95Strike Industries HK MP7 Flip Up Sight Rail - Black Strike Industries has developed the ultimate new Top Rail for the MP7 featuring integrated front and rear flip-up sights ; as requested of the elite professional community. The SI MP7 Top Rail gives...HKP-17406$289.95 -
Out Of Stock
Surefire 628 forearm complete - Used cracked pad
Surefire
$199.95Surefire 628 forearm complete - Used cracked pad Surefire 628 forearm complete with flashlight bezel USED CRACKED PAD single momentary (see photos). All have been tested and fully functional. Cracks on the pad may vary. Sold as is.HKP-19406$199.95 -
Top Rail - HK USC / UMP
Tommy Built
$119.95Top Rail - HK USC / UMP A TommyBuilt designed black, anodized aluminum, high rise top rail for your TMP, USC or UMP. Includes: Mounting screws (2)HKP-20744$119.95 -
On Sale
TPM Ruger Bolt Shroud - Black
Tactical Precision MFG
Now: $49.95Was: $66.99TPM Ruger Bolt Shroud - Black This Ruger American rifle bolt shroud is hands down the best RAR bolt shroud on the market. Each bolt shroud is made in house on a five-axis Swiss lathe to exacting tolerances out of grade 5 (6al4v) titanium...HKP-20899Now: $49.95Was: $66.99