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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B&T MP5, MP5K Low Mount For Trijicon ACOG
B&T Brugger & Thomet
$169.95B&T Mounting Rail NAR for HK MP5 & MP5K with Tijicon ACOG Specifications: Color: Black Height max: 31.5 mm Length max: 84 mm Material: Aluminum Treatment: Hardcoat anodized Weight: 88 g Width max: 40 mm Compatible With: HK MP5 & SP5 HK...HKP-17284$169.95 -
Catch - HK P30, P30L, P2000
$53.95Catch - HK P30, P30L, P2000 New HK German Catch Assembly for all P Series of pistols. Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK Calibers P2000 - 9mm P2000 - .40 S&W P2000 - .357 SIG Please note: This is also the latch needed...HKP-15434$53.95 -
Choate PTR PDW & HK 51 (7.62x39) & (7.62x51/.308) Tactical Folding Stock - Adjustable
Choate
$239.95Choate PTR PDW & HK 51 Tactical Folding Stock - Adjustable The adjustable length system lets smaller-stature shooters or officers wearing body armor have a weapon that fits their needs. This stock also has spacers to allow the stock to be lengthened...HKP-14537$239.95 -
On Sale
ETS 12 Round HK VP9SK 9mm Magazine - Translucent
Now: $12.95Was: $16.9930 Round Magazine - Elite Tactical Systems - 9mm - HK VP9SK Features: Extended 12-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Due to the wide variety of extensions for Glock, our mag base is designed to be...HKP-19198Now: $12.95Was: $16.99 -
Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured
$1,499.95 - $1,549.95Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market...HKP-20005-M$1,499.95 - $1,549.95 -
H&K 21E/23E/11E/13E (7.62x51/.308) & (5.56/.223) Hammer Spring
H&K Heckler & Koch
$19.95HK German HK21E, 23E, 11E & 13E Hammer Spring - German This is the heaviest HK hammer spring available for the roller lock family of firearms. The factory correct hammer spring for the beltfed series of firearms. Made in Germany and production has...HKP-15453$19.95 -
H&K 91/G3 (7.62x51/.308) Rear Sight Drum - Used
H&K Heckler & Koch
$4.95HK German Rear Sight Drum For .308/7.62 - Used Used surplus genuine Heckler & Koch German manufactured product. Rare and hard to find. Most come in good shape but could use a good refinish. Used and range from good - exc shape. Compatible With: HK...HKP-18093$4.95 -
H&K 91/G3 (7.62x51/.308) SEF Navy Style Trigger Group HK G3 - Used Excellent
H&K Heckler & Koch
$389.95H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Excellent HK factory German HK G3 & HK 91 Full Auto Trigger Group Complete. Pulled from German military HK G3 rifles. These work great as spares or for collectible items. Used in...HKP-18670$389.95 -
H&K HK Mark 23/SOCOM Firing Pin Spring
H&K Heckler & Koch
$8.95HK Mark 23 Firing Pin Spring Compatible With: HK Mark 23 SOCOMHKP-01627$8.95 -
H&K HK MR556/MR762/416/417 28mm Front Folding Sight
H&K Heckler & Koch
$199.95H&K HK MR556, MR762, 416, & 417 28mm Front Folding Sight This sight attaches directly to the front gas block of the HK416, MR556, or MR762, HK417. This sight is to be used with the proper (caliber and barrel length specific) rear fixed diopter...HKP-00026$199.95 -
H&K Tactical Pistol Bag - Large - Black with Red Logo
H&K Heckler & Koch
$69.95H&K Tactical Pistol Bag - Large - Black with Red Logo Keep your handgun safe and secure with the HK tactical nylon case. This heavy duty case will accommodate two pistols, accessories and two magazines. Includes movable, velcro-backed modular double...HKP-20468$69.95 -
H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Complete
H&K Heckler & Koch
$68.95HK German Hand Stop Unit Complete This unit is compatible with any of the USC/UMP or the G36K or G36C handguards.HKP-00596$68.95 -
HK P30SK 9mm Complete Recoil Spring Assembly
H&K Heckler & Koch
$64.95HK P30SK 9mm Complete Recoil Spring Guide Rod Assembly Brand new HK German manufacture. Compatible With: P30SK 9mmHKP-17938$64.95 -
HKP Elbow Spring Spacer For Semi-Auto
HKP HK Parts
$8.95HKP Elbow Spring Spacer For Semi-Auto New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto bushing/spacer available on the market.HKP-18210$8.95 -
HKP HK MP5 Raised Picatinny Rail
HKP HK Parts
$134.95HKP HK MP5 Raised Picatinny Rail The HK Parts MP5 Raised Picatinny Rail offers the best of both worlds featuring an unimpeded view of the factory iron sights and an elevated mount for your favorite optic. Cowitness? Lower third? ...HKP-21601$134.95 -
HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug
HKP HK Parts
$59.95HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug MP5K 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5K solid aluminum fake suppressor, barrel extension. Slips over the 3-lug MP5K PDW barrel and then pinned in place to meet the overall 16"...HKP-18001$59.95 -
HKP MP5K Side Folding Brace Adapter
HKP HK Parts
$119.95HK Parts Adapter for Side Folding Pistol Stabilizing Brace - HK MP5K, SP89, SP5K & Clone The HK Parts folding brace adapter is the best option to attach the SB tactical Folding brace or any brace that utilizes the same mounting / folding...HKP-20798-M$119.95 -
Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 5/8x24
Kaw Valley Precision
$36.95Kaw Valley Precision 9mm 3 Lug Suppressor Adapter - Threaded 5/8x24 The KVP 3-Lug adapters are manufactured to replicate the popular HK pattern 3-Lug interface. Concentricity of ID and OD surfaces are paramount in any suppressor attachment...HKP-19986$36.95 -
MFI HK (5.56/.223) & (7.62x51/.308) G28 Style Flash Hider - Threaded 15x1
MFI
$79.95MFI HK G28 Style Flash Hider - Threaded 15x1 The G28, 2nd Gen flash hider is threaded 15x1 RH pitch, which is a standard HK Thread Pattern for .308 and .223 caliber weapons. It also has a deep counter bore to allow the product to cover the area behind...HKP-16337$79.95 -
RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH
RCM
$225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH 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-16707$225.00 -
Strike Industries QD & Sling Hook Sling Attachement
Strike Industries
$28.95Ambush QD Sling Loop The Strike Industries Ambush low profile sling loop is the lowest profile sling loop designed for the MIL-STD-1913 rail. Made of solid steel, its unique locking bar design system allows for it to be lightweight and durable. Because...HKP-17381$28.95 -
On Sale
AC-Unity 30-Round Glock 17, 19 9mm Window Magazine - Black
AC-Unity Magazines and Parts
Now: $13.95Was: $19.95AC-Unity 30-Round Glock 17, 19 9mm Window Magazine - Black The AC-Unity 30 round 9mm window magazine for Glock models 17, 18, 19, 19X, 26, 34, 45. Will work in anything designed to accept a Glock 17 9mm double-stack magazine. Originally...HKP-20157Now: $13.95Was: $19.95 -
AIM HK to AR15 Adapter
AIM
$54.99AIM HK to AR15 Adapter The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle, SBR, or pistol. With our adapter, you can use your...HKP-20891$54.99 -
B&T APC9/APC45 Stock Conversion Kit
B&T Brugger & Thomet
$149.95Stock Conversion Kit - APC9/APC45 B&T stock conversion kit for BT-20522 telescopic brace (US Version). Converts the telescopic brace into a telescopic stock. Compatible With: APC9/APC45HKP-19968$149.95 -
B&T HK MP5 Handguard With LED Weapon Light - Used
B&T Brugger & Thomet
$399.95B&T HK MP5 Handguard With LED Weapon Light - Used B&T model TL99CREE LED lit handguard for HK MP5, 94 models. Each unit handguard is built with the integrated tactical LED light & 3 position switch. Specifications: High intensity torch...HKP-19605$399.95 -
Out Of Stock
DTAC MP5K/SP89/SP5K 9mm Modular Handguard - M-LOK
DTAC Dakota Tactical
$159.95DTAC MP5K/SP89/SP5K 9mm Modular Handguard - M-LOK Features: Made in the USA (922r compliant part) M-LOK accessory compatible 6 ergonomically placed slots for maximum versatility Exclusive extended forward accessory mounting 1-piece main body machined...HKP-17808$159.95 -
Geissele HK MR556 Trigger
Geissele
$489.95Geissele HK MR556 Triggere The HK MR556 trigger is similar to Geissele's SSA with a 4.5 total pull weight. It can be used in both the HK 556 and semi-auto HK 416's. Each Trigger comes with full installation instructions and the lubricant you will need...HKP-16464$489.95 -
Out Of Stock
GSG9 HK G36 (5.56/.223) Incomplete Bolt Head
GSG9
$0.00G36 Incomplete Bolt Head - USA G36 bolt head allows the use of double stack magazines in your SL8 conversion to high-capacity G36, Magpul, or AR15 magazines.HKP-00802$0.00 -
H&K (5.56/.223) Chamber Flute Brush
H&K Heckler & Koch
$29.95New HK German .223/5.56 Chamber Flute Cleaning Brush This item is ideal to have on hand for cleaning the flutes of the barrel. The flutes have to remain clean for the rounds to be extracted properly.HKP-00464$29.95 -
H&K 91/G3 (7.62x51/.308) Magazine Catch - Used
H&K Heckler & Koch
$16.95G3 Magazine Catch - HK 91, G3, PTR91 -.308/7.62 - USED The highest quality magazine catch available. High quality HK German production units are slightly used HK Parts from Heckler & Koch Germany. These also have the proper cut in them and do not...HKP-18693$16.95 -
H&K G36/SL8 (5.56/.223) Sight Rail With Front & Rear Sights
H&K Heckler & Koch
$289.95H&K German G36 & SL8 Picatinny Sight Rail With Front And Rear Iron Sights Each rail works well with optics such as Eotech or Aimpoints. This is also a great part if you want a lower cheek weld and low-profile sight system. Made from durable...HKP-00274$289.95 -
H&K HK MP5 30 Round Mag Pouch - 3 Straight Mags - Used
H&K Heckler & Koch
$24.95German H&K MP5 9mm 30 Round Magazine Pouch - Fits 3 Straight MP5 Mags - Used to Good Used to good shape German HK magazine Pouch for HK MP5 sticks mags. This is the first production MP5 style of magazine pouch. Each mag pouch is made in Germany and...HKP-20728$24.95 -
H&K HK MP5, MP5K MIM & Machined Rear Sight Base
H&K Heckler & Koch
$14.95MP5, MP5K Rear Sight Base - Weldment New HK MP5, MP5K 17-4 Stainless H900 rear sight base. The most correct MP5, MP5K rear sight base available. The only factory correct sight base with the factory HK German side axis grooves. If you want your build to...HKP-19705$14.95 -
H&K HK MR556/416 Battle Grip Storage Cap
H&K Heckler & Koch
$29.95H&K HK MR556/416 Battle Grip Storage Cap This part is the replacement grip plug for the bottom of the HK battle grip. Please Note: Does not fit for the HK416 .22LR models**HKP-15251$29.95 -
H&K HK MR556/416 Cam Pin
H&K Heckler & Koch
$31.95Bolt Head Cam Pin- MR556, HK 416 New factory HK German manufactured cam pin for bolt group. A common wear and replacement item. Compatible With: HK 416 HK MR556 HK M27 HK 416 A5HKP-02539$31.95 -
H&K HK MR556/CR556 Complete Bolt Group
H&K Heckler & Koch
$684.95HK MR556 Complete Bolt Group Bolt carriers will be marked ".223 Rem" or "5.56 x 45". Includes The Following HK German Factory Parts: MR556 Bolt Carrier Bolt head complete Firing pin spring Firing pin Cam pin All misc parts that comprise a complete bolt...HKP-02618$684.95 -
H&K HK P30/45/USP/USPC/P2000 Hammer Spring
H&K Heckler & Koch
$9.95Hammer Spring This is the stock hammer spring for many P30 models and is used for the heavy TGS and heavy and light LEM conversions on the USP, USPC, P30 & HK45 models. Compatible With: USP Full Size LEM & V4 USP Compact LEM &...HKP-01804$9.95 -
Out Of Stock
H&K HK USP/45 New Style Hammer Strut
H&K Heckler & Koch
$24.95H&K HK USP/45 New Style Hammer Strut Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Tactical, Elite, Expert HK45 HK45 TacticalHKP-01250$24.95 -
H&K HK USP/USPC Lanyard Loop Insert
H&K Heckler & Koch
$9.95HK USP/USPC Lanyard Loop Insert Compatible With: HK USP 9mm HK USP .40 HK USP Compact 9mm HK USP Compact .40 / .357 HK USP Compact .45HKP-01935$9.95 -
H&K MP5 Magazine Release Set
H&K Heckler & Koch
$184.95H&K Magazine Release Set This is the complete magazine release kit that includes both the paddle mag release and standard left-to-right mag release on your HK 9mm rifle or pistol build. Compatible With: MP5, MP5K style 9mm models Set...HKP-02402$184.95