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 53/51 (5.56/.223) Handguard
H&K Heckler & Koch
$59.95HK German Correct Length HK 53, 51 & PTR Forearm New factory fresh HK German manufacture HK53 hand guard. Polymer handguard that is the proper length to cover the extended portion of the trunion found on the HK53 and HK 51 style of firearms...HKP-00468$59.95 -
H&K Burst Trigger Group Armorers Manual
H&K Heckler & Koch
$19.95H&K Burst Trigger Group Armorers Manual This manual will help with the disassembly, repair, and maintenance of all HK burst trigger groups.HKP-00102$19.95 -
$8.95 -
H&K HK MP5 German 9mm Trigger Pack Complete F/A Roller Sear, XX Struted/Pinned Hammer
H&K Heckler & Koch
$369.95H&K MP5/K 9mm Full Auto Complete Trigger Pack his factory HK German MP5 9mm full auto trigger pack is provided as originally configured by HK Germany. This trigger pack has been meticulously preserved from a demilled 1980s production MP5 and comes...HKP-19342$369.95 -
H&K HK USP/USPC/45/45C LEM Cocking Piece Elbow Hammer Rebound Spring
H&K Heckler & Koch
$7.95HK LEM Cocking Piece Elbow Hammer Rebound Spring This item is a common wear and replacement item for those who have LEM triggers installed. Compatible With: USP USPC HK45 HK45CHKP-02479$7.95 -
Out Of Stock
H&K Magazine Pouch with 2 Magazines - USED
H&K Heckler & Koch
$29.95H&K Magazine Pouch with 2 Magazines - USED 2 X Used HK German 20 round aluminum magazine and used Flectarn mag pouch combo deal: 2 X 20 round aluminum magazines and camo mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51...HKP-20875$29.95 -
H&K MP5, MP5K, SP5, 94 & SP89 Cocking Handle
H&K Heckler & Koch
$44.95HK MP5, 94 & MP5K, SP89, SP5K Cocking Handle - German New factory HK German latest manufactured and updated style. This part is the current model that HK is equipping all new HK MP5/MP5K variants with. Made to last and the nicest of all the...HKP-00095$44.95 -
HK G36K/G36C Tri Rail Set Complete - Black
UTG
$64.95HK G36C, G36K, & G36 .22LR Bottom & Side Rail Set Universal Picatinny mounting rail system, mounting screws, and hex wrench. This system includes the bottom, left, and right side tactical rails (3 rails total). This set of rails will fit all HK...HKP-00272$64.95 -
Magpul M-LOK Rail Section - 3 Slots
Magpul
$10.95Magpul M-LOK Rail Section - 3 Slots Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc...HKP-20661$10.95 -
Meprolight HK VP9, HK P30, HK 45, HK 45C Micro RDS Reflex Red Dot Sight & Mount
Meprolight
$347.95Meprolight HK VP9, HK P30, HK 45, HK 45C Micro RDS Reflex Red Dot Sight & Mount The Mepro Micro RDS serves as the main aiming sight for handguns or as a backup sight for rifles, offering fast target acquisition at close distances. The Mepro Micro RDS...HKP-19166$347.95 -
Uzi Top Cover Complete - Surplus
IMI
$24.95Uzi Top Cover Complete - Surplus IMI Uzi SMG top cover surplus. Perfect working condition.HKP-19988$24.95 -
Sale
1SHOT Systems HK VP9, HK P30L Dynamic Pistol Brace - Black
1SHOT Systems
Now: $149.95Was: $199.95Dynamic Pistol Brace - 1SHOT Systems - HK VP9 & P30 Series Pistols The 1SHOT is a dynamic pistol rest that gives an operator the ability to fire their handgun with increased accuracy, stability, and safety. The patented design of the 1SHOT never...HKP-20525Now: $149.95Was: $199.95 -
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 12 Round HK P2000/USPC .40 S&W Magazine Spring
H&K Heckler & Koch
$8.95HK USPC .40 & P2000 40 S&W 12 Round Magazine Spring Newer improved, latest production, upgraded spring designed for a stiffer spring tension required by several US government agencies. Compatible With: HK P2000 .40 S&W 12-round...HKP-01481$8.95 -
H&K 91/G3 (7.62x51/.308) Enhanced Trigger Pack - Match
H&K Heckler & Koch
$439.95H&K 91/G3 (7.62x51 / .308) Enhanced Trigger Pack - Match HK German SEMI .308 trigger pack complete with custom trigger conversion to a light target trigger & ultra-smooth pull Each trigger pack has been customized by the famed & renowned HK...HKP-17014$439.95 -
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 for use on splendid barrels. The retaining, locking ring for all HK flash hiders and comps. This item is the ring that fits inside the flash...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 -
Out Of Stock
H&K HK MP5, HK 416, GSG5 .22LR Sling - Black
H&K Heckler & Koch
$0.00HK 416, HK MP5 & GSG5 .22LR Sling This is a factory HK-manufactured sling perfect for HK weapons systems, including .22LR models. Each unit comes with 2 HK German sling hooks or ambi use, as well as a quick detach buckle. This part is fully...HKP-00893$0.00 -
H&K HK21/MG3 Ammo Belt Starter Tab
H&K Heckler & Koch
$5.95H&K HK21/MG3 Ammo Belt Starter Tab - 7.62x51/.308 Starter tabs for HK21 and MG3 belt-fed rifles. Compatible With: HK 23/21/11HKP-21439$5.95 -
H&K MP5K/SP89/SP5K 9mm Forearm
H&K Heckler & Koch
$85.99HK SP5K Forearm - German Made from the best materials and processes available. Can be modified to install on MP5K-N builds with 3 lug barrels. Compatible With: MP5K, SP89 & SP5K Custom builds & projects, MP5K, SP89 buildsHKP-18063$85.99 -
HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH
$24.95HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for safeguarding your threaded barrels and exposed threads, it...HKP-17942$24.95 -
HKP/H&K MP5/K Knurled Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$26.95HKP/H&K MP5/K 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 -
HTA HK MP5SD Barrel Cleaning Tool
HiTec Arms
$119.95HTA HK MP5SD Barrel Cleaning Tool Barrel cleaning brush tool for integrally suppressed ported barrels. This is a good tool to have on hand for any MP5SD owner to clean carbon build up and avoid your suppressor seizing on your barrel. Multiple colors...HKP-21347-M$119.95 -
Maglula HK 91/G3 (7.62x51/.308) Magazine Loader
Maglula
$29.95HK91, G3, PTR .308 LULA Mag Loader For those that have used Maglula products they offer the best mag loaders on the planet. Features: Loads a round a second, can unload the entire 20 round magazine in less than 3 seconds Safe on fingers and magazine...HKP-16228$29.95 -
MI HK MP5K, HK SP89 Top Rail - Black
MI Midwest Industries
$129.95MI HK MP5K, HK SP89 Top Rail - Black Midwest Industries picatinny and M-lok top rail for MP5, HK94 style weapons and clones. An amazing profile option for your MP5 style weapon. Offers a combination of strength, adaptability and extreme lightweight...HKP-19113$129.95 -
SB Tactical HK MP5 .22LR Folding Brace - Skeletonized
SB Tactical, HKP HK Parts
$249.95Side Folding Brace For The HK MP5 .22 model A drop in folding brace for your MP5 .22 model pistol. Made from aircraft grade aluminum, QD sling attachment point and a beautiful anodize finish. This is the finest option for your MP5 .22 pistol. Available...HKP-21053$249.95 -
H&K HK 416-A5 Enhanced Ambi Bolt Release
H&K Heckler & Koch
$84.95HK German Enhanced ambi 416 Bolt Release - HK 416 A5 The real deal HK German HK416A5 Bolt Release. Made from hardened steel. A rare part to find. Limited supply that took over 3 years to get in.HKP-19463$84.95 -
H&K HK P30SK Slim Short Slide Release Lever Set
H&K Heckler & Koch
$89.95HK P30SK Slim/Short Slide Release Lever - German HK HK manufactured P30SK slimline style slide release set. This set replaces the factory P30SK stock slide release set that comes from the factory. The slim style set is shorter and thinner in design for...HKP-18028$89.95 -
H&K HK P7M8/P7M13 Piston Retaining Roll Pin
H&K Heckler & Koch
$4.95HK P7 M8, M13 Piston Retaining Roll PinHKP-16435$4.95 -
H&K Standard Roller 8.00mm - Used
H&K Heckler & Koch
$7.958.00mm Standard Size (zero or unmarked) For HK Roller Lock Bolt Head HK spec new unmarked 8.00mm roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. An easy way to remember...HKP-19374$7.95 -
H&K Trigger Spring For Burst Trigger Packs
H&K Heckler & Koch
$8.95Burst Pack Trigger Spring - HK German New HK German trigger return spring used on all HK 90 series burst trigger packs. MP5, HK53, G3 burst, 2 or 3 round burst trigger packs.HKP-01450$8.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Floor Plate
H&K Heckler & Koch
$9.95HK German UMP Floorplate For All UMP Magazines Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces.HKP-16493$9.95 -
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 -
Sale
HKP .40 S&W Vented Micro Comp - Threaded 9/16x24
HKP HK Parts
Now: $23.95Was: $29.95HKP .40 S&W Vented Micro Comp - Threaded 9/16x24 The HK Parts Micro Comp & Thread Protector is a lightweight, dual function device that serves as both a compensator and thread protector. It easily attaches to any factory spec 9/16x24 .40 S&W...HKP-19957Now: $23.95Was: $29.95 -
HKP HK P30SK Pistol Bench Mat
HKP HK Parts
$13.95HK P30SK Bench MatPerfect for the HK P30SK 9mm & .40 Cal 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 mat to protect your gun bench,...HKP-18090$13.95 -
Surefire - 628LMF - Lighted Forearm
Surefire
$579.95Surefire - 628LMF - Lighted Forearm The 628 LMF generates 1000 lumens of output and has a tactical runtime of 2 hours per set of batteries, with gradually decreasing output afterward. Surefire 628LMF Features: Virtually indestructible LED and...HKP-03285$579.95 -
Ergo AR-15 Castle Nut For Buffer Tubes
Ergo
$5.95Ergo AR-15 Castle Nut For Buffer Tubes - US Made Steel Castle-nut for AR buffer tubes fits both mil-spec and commercial buffer tubes alike. Compatible With: HK MR556 & 416 AR-15 style platformsHKP-02729$5.95 -
H&K HK MR556/MR762 Receiver Take Down Tool
H&K Heckler & Koch
$19.95HK MR556 & MR762 Take Down Tool For The Upper & Lower Receiver This part is the tool used to tighten down the stock movement on the E1/E2 stock. Each tool will be stored in the rear of the E1/E2 stock. Please Note: We get...HKP-02653$19.95 -
H&K MP5 A3 Stock - Surplus / Replacement Stock
H&K Heckler & Koch
$199.95Military German manufactured A3 Retractable Stock - Surplus A one-time offering of some very well used German military stocks that require TLC and refinishing. Ideal for custom projects or replacement parts. These are early model A3 stocks with the steel...HKP-21450$199.95 -
HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28
HKP HK Parts
$14.95HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS...HKP-02646$14.95