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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RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH
RCM
$225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement...HKP-16708$225.00 -
Trijicon HK USPC HD Night Sight - Orange/Green
Trijicon
$152.95Trijicon HK USPC HD Night Sight - Orange/Green The three-dot green tritium night sight set front sight features a taller blade and an aiming point ringed in photoluminescent paint, while the rear sight is outlined in black and features a wider U-shaped...HKP-14534$152.95 -
B&T Short Style Quick Detach Vertical Grip - Coyote Tan
B&T Brugger & Thomet
$77.95B&T Short Style Quick Detach Vertical Grip - Coyote Tan Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the...HKP-18041$77.95 -
Comp-Tac HK USP Full Size 9mm, .40, .45 International Holster - Right Hand
Comp-Tac
$80.95Comp-Tac HK USP Full Size 9mm, .40, .45 International Holster - Right Hand The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect...HKP-20294$80.95 -
Evolution Gun Works HK USP Full Size Deltapoint Pro Sight Mount
Evolution Gun Works
$49.95DELTAPOINT PRO SIGHT MOUNT FOR HK USP (FITS SHIELD RMS / RMSC / SMS | JPOINT | REDFIELD ACCELERATOR | AND OPTIMA) Included: Mounting hardware Compatible With: HK USP Tactical 9mm HK USP Tactical .45 ACP HK USP 9mm HK USP 40 S&W HK...HKP-20046$49.95 -
Geissele HK 416 Trigger
Geissele
$529.95HK 416 SSF Trigger- Geissele This is the newer production Generation II trigger kit. Compatible With: HK 416 Select Fire full auto firearms Each Trigger comes with full installation instructions Please note: After installing the MR556 trigger you must...HKP-16477$529.95 -
H&K 3 Point Sling Replacement Holding Clip
H&K Heckler & Koch
$19.95New HK German 3-Point Sling Rear Stock Holding Clip This is the hard-to-find holding clip that secures the standard 3-point HK sling to the A2 or A3 stock. The rear sling clip can become weak and break, making your 3-point sling useless. The sling...HKP-01043$19.95 -
H&K 91/G3 (7.62x51/.308) - 15 Round Magazine
H&K Heckler & Koch
$59.95HK G3 & HK 91, PTR91 - 15 Round Magazine The HK G3, 91 ,PTR magazine is made by PTR from a German aluminum HK magazine and converted to 15 rounds. Perfect for states such as NJ that only allow a 15 round mag capacity. As an added bonus this magazine...HKP-17006$59.95 -
H&K 93/53/33 (5.56/.223) Firing Pin Spring
H&K Heckler & Koch
$9.95New HK German 93, 33, & 53 .223/5.56 Firing Pin Spring. A must-have spare part as this is a high wear and replacement item. Compatible With: HK93 HK33 HK53 V93/V53, C93, C53 Custom builds and clonesHKP-00193$9.95 -
H&K MP5 & MP5K "F" Bolt Head Complete
H&K Heckler & Koch
$499.95MP5 & HKSP5, MP5K & SP5K F Bolt Head Complete - HK German This part will fit all HK 9mm rifles and MP5 pistols. This is the latest HK production and generation of bolt heads available. These are rare and HK now considers them restricted...HKP-00130$499.95 -
H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin
H&K Heckler & Koch
$159.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push-pin firearms that do not require clipped and pinned housing...HKP-02463$159.95 -
HK G36/SL8 (5.56/.223) Extractor Axle
$6.95HK G36, SL8 Extractor Axle- US Made New extractor axle for use on all G36, Sl8 bolt heads. This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK Sl8 modelsHKP-18370$6.95 -
HKP HK G3 Repair Manual
HKP HK Parts
$15.95HK G3, 91, PTR Repair Manual This manual contains parts 3 and 4 of the G3 Rifle Manual for the G3, which is the full auto version of the HK91. Part 3 is for troop repair and part 4 contains field repairs. This manual is NOT a heavy-duty...HKP-15212$15.95 -
HKP MP5 40/10 30 Round Magazine Spring
HKP HK Parts
$4.95HKP MP5 40/10 30 Round Magazine SpringHKP-16509$4.95 -
Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader
Maglula
$26.95Maglula Magazine Loader/Unloader - Generation 2, Lula, 223 Rem/556NATO, Fits AR-15 - Black The Maglula LULA magazine loader & unloader AR-15 for 223 Remington / 5.56mm NATO is a mil-spec tool that allows you to load and unload magazines fast,...HKP-14545$26.95 -
Magpul MS3 Sling - Gen 2 - Black
Magpul
$49.95Magpul MS3 Sling - Gen 2 - Black Magpul Industries MS3- Multi Mission Sling System Sling Black AR Rifles 1 or 2 Point Sling.HKP-13727$49.95 -
Magpul SL HK MP5K - Binary Trigger Group
FA Franklin Armory / Magpul
$889.95 - $919.95Magpul SL HK MP5K - Binary Trigger Group Perfect for those seeking a binary option combined with the comfort of a Magpul housing. We've paired a Magpul SL housing with our compatible binary selector levers and completed it with a Franklin Armory trigger...HKP-21408-M$889.95 - $919.95 -
MP5 Tactical Handguard - Low Profile
$99.95MP5 Tactical Handguard - Low Profile Fully adjustable for positive fitment and is built of high-strength aircraft-grade aluminum. Super lightweight and slim profile at less than 5.0 oz. Each handguard will accept your choice of Picatinny...HKP-02526$99.95 -
Out Of Stock
Nefarious Arms - NAS HK 416 Adjustable Gas Block
Nefarious Arms
$549.95Nefarious Arms - NAS HK 416 Adjustable Gas Block This is a user configurable 2 position adjustable gas block that can be installed on 11″ – 20″ A1 barrels. Each gas block ships with 5 vent screws, a screwdriver, anti-seize and detailed...HKP-21040$549.95 -
Trijicon HK USP Night Sight Set
Trijicon
$127.95Trijicon - Tritium Night Sight, Fits HK USP, Green/Green, 3 Dot Trijicon Bright & Tough Night Sights are 3 dot iron sights that increase night fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so...HKP-01609$127.95 -
AC-Unity HK MP5 Cocking Handle
AC-Unity Magazines and Parts
$24.95AC-Unity HK MP5 Cocking Handle Compatible With: MP5, 94, MP5SD MP5K, SP89, SP5K Zenith 9mm firearms, POF Other MP5 clones or custom HK 9mm buildsHKP-20158$24.95 -
Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$56.99Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight delivers a fast, bold sight picture with a sharp, precision aiming point. Designed for easy installation, it eliminates the need for tools by using a...HKP-20451$56.99 -
Comp-Tac HK VP9/VP40/P30/USPC/P2000 Single Mag Pouch - Black
Comp-Tac
$38.95Comp-Tac HK VP9/VP40/P30/USPC/P2000 Single Mag Pouch - Black The Comp-Tac single magazine pouch is an outside the waistband holder to carry a spare magazine for competition, concealed carry or general use. The Comp-Tac single magazine pouch provides a...HKP-17498$38.95 -
GSG German Sports Guns Flip Front & Rear Sight Set Complete
GSG German Sports Guns
$179.95GSG German Sports Guns Flip Front & Rear Sight Set Complete New MP7A1 Flip Up Front & Rear Sight Set Complete. Includes iron sights (folded down) for low profile sighting system and can also be deployed in the flipped up position for longer...HKP-18772$179.95 -
H&K 10 Round HK VP9SK/P30SK 9mm Magazine - Black
H&K Heckler & Koch
$50.95H&K 10 Round HK VP9SK/P30SK 9mm Magazine - Black New German HK manufacture 10 round 9mm P30SK/VP9SK magazine with standard flush fit floorplate. This magazine is the same for the VP9SK & P30SK. Compatible With: VP9SK P30SKHKP-17376$50.95 -
H&K Claw Mount With Stanag Adapter For Scope
H&K Heckler & Koch
$299.95HK Claw Mount With Stanag Adapter For Scope - Used (Good Condition) These parts just came in and were pulled from factory German Demilled HK G3s used in good shape. This product is no longer made or available as these are out of production, and...HKP-02387$299.95 -
H&K HK 45/45C/USP/USPC/P2000 Slide Release Spring
H&K Heckler & Koch
$9.95HK Slide Release Spring This is a high-wear item, as it cannot be reused once damaged or removed. It must be replaced with a new spring. Compatible With: HK USP 9mm, .40 & .45 HK USP Compact 9mm, .40 & .45 HK USP Tactical, Elite & Expert...HKP-01260$9.95 -
H&K HK MR556/416 Battle Grip Storage Cap Pin
H&K Heckler & Koch
$4.95H&K HK MR556/416 Battle Grip Storage Cap PinHKP-16861$4.95 -
H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black
H&K Heckler & Koch
$19.95H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black New HK VP series German left side slide release lever for slide. Compatible With: HK VP9, VP9L HK VP9SK HK VP40HKP-16787$19.95 -
Out Of Stock
H&K MP5K/SP89/SP5K 9mm #28 Locking Piece
H&K Heckler & Koch
$199.95H&K MP5K/SP89/SP5K/SP5K PDW 9mm #28 Locking Piece This is the locking piece that is recommended when using a suppressor and 147-grain or heavier bullets. This will slow the rate of fire while suppressed to safe levels. This locking piece is 80...HKP-00918$199.95 -
HKP HK 45C/45C Tactical Comp Weight™ Quick Detach Compensator - Black
HKP HK Parts
$149.95HK45C, HK45C Tactical - Comp Weight™ Quick Detach Compensator Compatible With: HK45C Tactical HK45C Specifications: Length - 4 1/4 inches Height - 1 7/8 inches Width - 1 3/8 inches Weight - 3.3 oz Torque: 3nM / 26 inch-lbs Attaches to the frame...HKP-18293$149.95 -
Out Of Stock
HKP HK MR556/416 Barrel Nut Installation/Removal Tool
HKP HK Parts
$59.95HK 416, MR556 Barrel Nut Installation & Removal Tool New US manufactured barrel nut removal and installation tool. Each tool has the provision installed to allow the use of an off the shelf 1/2" torque wrench to be used while removing and installing...HKP-17327$59.95 -
HKP HK MR556/416 Buffer Tube Wrench
HKP HK Parts
$29.95HK MR556 & HK416 Buffer Tube Wrench The perfect metric wrench to remove and install the MR556 & HK 416 castle nuts on the buffer tube. A perfect addition to have on hand for OTB or other HK buffer tube upgrades, etc. Made from all steel, heat...HKP-17124$29.95 -
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. Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19440$8.99 -
Kershaw Cryo II 3 3/8" Knife
Kershaw
$78.95Kershaw Cryo II 3 3/8" Knife The award-winning Cryo is also available in a 20% larger size. Designed by Rick Hinderer, the Cryo II has a bigger 3.25-inch, assisted opening blade. This larger sized Cryo II was built for those who simply demand more from...HKP-20338$78.95 -
Out Of Stock
PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24
PTR
$214.95PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one US made compliant part. Specifications: Overall Lenght...HKP-18435$214.95 -
PTR Tactical Handguard "U" Shaped Bracket Screw
PTR
$1.95PTR Tactical Handguard "U" Shaped Bracket Screw Replacement screw for the "U" shaped hangar on the tactical handguard. There are a total of 3 screws used, they are all the same for the MP5k, MP5, HK93 & HK91 tactical handguards. Great spare to have...HKP-17318$1.95 -
Sale
Shield Sights HK SP5 Mini Sight 2.0 and Mount - 8MOA - Glass Lens
Shield Sights
Now: $249.95Was: $399.95Shield Sights HK SP5 Mini Sight 2.0 and Mount - 8MOA - Glass Lens Includes: Mount Features: Light source: Red light emitting diode (LED) No laser; completely eye safe No radioactive materials Red dot zize: 8 MOA dot Lens: Glass, reflex x1 (no...HKP-20552Now: $249.95Was: $399.95 -
Out Of Stock
Surefire HK MR556/416 3-Prong Flash Hider - Threaded 1/2x28
Surefire
$174.95Surefire HK MR556/416 3-Prong Flash Hider - Threaded 1/2x28 The flash hider is engineered for M4/M16 and variants with 1/2x28 muzzle threads. Its patent-pending design reduces muzzle flash by over 99% compared to a plain muzzle. Built from US...HKP-17261$174.95 -
B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider
B&T Brugger & Thomet
$99.95B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider B&T muzzle brake/flash hider birdcage style with quick detach lever for HK UMP .40 S&W & .45 ACP. Swiss made B&T quick detach flash hider for HK UMP .40 and .45ACP...HKP-16890$99.95