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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HKP (5.56/.223) A5 Flash Hider - Threaded 1/2x28
HKP HK Parts
$59.95HKP (5.56/.223) HK 416C A5 Flash Hider - Threaded 1/2x28 Made from ordnance grade steel, heat treated, and Melonited (Nitride process) for maximum longevity. Machined correctly to reduce tuning fork noise for a more pleasant time at the range. This is...HKP-21342$59.95 -
On Sale
HKP AR-15 Low Profile Gas Block
HKP HK Parts
Now: $14.95Was: $29.95AR15, M4 Billeted Low Profile Gas Block - Stainless Steel Made to strict military specifications. These high quality components will provide excellent fit and reliable function in your AR series platforms. These AR-Stoner parts are perfect for upgrading...HKP-18088Now: $14.95Was: $29.95 -
On Sale
HKP Glock 17 9mm Fluted Barrel - Threaded 1/2x28
Now: $139.95Was: $239.95HKP Glock 17 9mm Fluted Barrel - Threaded 1/2x28 The Adams Arms Glock 17 9mm Match Grade Box Fluted Barrel is designed as an improved, drop-in barrel for the Glock 17. The barrel is machined to tighter fitment tolerances to increase accuracy potential...HKP-18871Now: $139.95Was: $239.95 -
On Sale
HKP Glock 19 9mm Fluted Barrel - Threaded 1/2x28
HKP HK Parts
Now: $139.95Was: $239.95HKP Glock 19 9mm Fluted Barrel - Threaded 1/2x28 The Adams Arms Glock 19 9mm Match Grade Box Fluted Barrel is an improved drop-in fit designed for enhanced accuracy with no gunsmith fitting required. Machined to tighter tolerances, it features a SAAMI...HKP-18872Now: $139.95Was: $239.95 -
HKP HK 23E/13E (7.62x51/.308) & (5.56/.223) Firing Pin - Titanium
HKP HK Parts
$49.95HK23E, MM23E, 13E Firing Pin - Titanium Grade 6 weapons grade titanium manufacture. Made in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK weapon system. Get the lightest, strongest firing...HKP-17770$49.95 -
HKP HK 416 11.5" 5.56 Complete Upper Receiver Assembly
HKP HK Parts
$2,485.95HKP HK 416 11.5" 5.56 Complete Upper Kit Complete HKP 416 style complete upper assembly. This top-tier assembly seamlessly fits onto your mil-spec lower or a STS 416 lower, providing the perfect solution for those seeking an 11.5" 416 style upper without...HKP-21539$2,485.95 -
HKP HK G36C Barrel - Black
HKP HK Parts
$499.95HKP HK G36C Barrel - Black Brand new HK G36C barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36C barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the...HKP-18195$499.95 -
HKP HK MP5 9mm Bolt Carrier - Red
HKP HK Parts
$189.95Bolt Carrier F/A - 9mm - HK Red - MP5 Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat-treated providing the finest American made carrier available. This carrier has been...HKP-19535$189.95 -
Out Of Stock
HKP HK MR556/416 M-LOK 9" Handguard - Black
HKP HK Parts
$199.95HK MR556 & HK416 9" M-LOK ForearmWeight: 10.2 ozMADE IN THE USA AND BILLET MACHINED. MUCH LIGHTER THAN THE HK FACTORY FOREARM OFFERINGS.HKP-17981$199.95 -
HKP HK P30SK/Tactical Comp Weight™ Quick Detach Compensator - Black
HKP HK Parts
$149.95HKP HK P30SK/Tactical Comp Weight™ Quick Detach Compensator - Black Compatible With: HK P30SK (Heckler & Koch P30SK) Standard Length barrel, Tactical Length barrel, Threaded barrel, Non-Threaded barrel Specifications: Weight: 3...HKP-18084$149.95 -
On Sale
HKP HK VP9 Compensator for Threaded Barrel - Bronze
HKP HK Parts
Now: $139.95Was: $179.95HKP HK VP9 Compensator for Threaded Barrel - Bronze This HK Parts VP9 threaded barrel rail mount compensator is the perfect accessory for your firearm. Our compensator has a sleek design that flows with the lines of the firearm for a seamless addition...HKP-20858Now: $139.95Was: $179.95 -
HKP HK VP9/VP9SK, VP40 Elbow Spring Stop Pin
HKP HK Parts
$6.95HKP HK VP9/VP9SK, VP40 Elbow Spring Stop PinHKP-16779$6.95 -
HKP MP5 10mm Reverse Stretch Parts Kit
HK Parts, Heckler & Koch
$2,099.95MP5 10mm Reverse Stretch Pistol Build Kit Complete German & USA Made Parts ON SALE WHILE SUPPLIES LAST! MP5 10mm Reverse Stretch parts kit complete with all the parts needed for an MP5 10mm semi-auto pistol. Each kit comes with all 6 of the needed US...HKP-19818$2,099.95 -
HKP MP5SD 9mm Cocking Tube - For Lefties
HKP HK Parts
$99.95MP5SD Cocking Tube - US Made - For Left Handed Shooters HK German MP5SD spec cocking tube for use on MP5SD style builds or custom SD builds. These are the finest MP5SD cocking tube ever offered. Each unit is made from the original factory HK prints...HKP-18918$99.95 -
HKP VP9SK Rail Mount Compensator for Threaded Barrel - Black
HKP HK Parts
$169.95HKP VP9SK Rail Mount Compensator for Threaded Barrel - Black Specifications: Length - 3 1/2 inches Height - 1 3/4 inches Weight - 4.8 oz. Torque: 3nM / 26 inch-lbs For use with threaded barrel *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED...HKP-20535$169.95 -
JMAC Customs Extended BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter
JMAC Customs
$239.95JMAC Customs Extended BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter The YHM-2050 HD (heavy duty) 3-Lug adapter is a quick-attach mounting option designed to provide added strength and longevity to your 3-Lug equipped firearm. This fully...HKP-20520$239.95 -
Out Of Stock
Lazy Wolf VP Series Trigger Safety Tab Kit - F2 Flat Face - Red
Lazy Wolf
$19.95F2 Flat Face VP Series Trigger Tab, Spring Set - Lazy Wolf Guns - Red Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab, spring and roll pin...HKP-20092$19.95 -
On Sale
Lee Sporting HK MP5 Complete Trigger Group
Lee Sporting
Now: $499.95Was: $549.95Lee Sporting Complete Trigger Group - MP5 C/P Ergonomic upgrade to OEM grip. 4.3oz lighter than OEM trigger group. Housing made from MJF PA11 nylon. Bespoke ejector lever CNC cut from 4140. Compatible With: HK PTR Dakota Tactical Other clones that...HKP-20465Now: $499.95Was: $549.95 -
Magpul HK MP5K - MOE PR Stock
Magpul
$195.89Magpul Industries - MOE PR MP5K Stock New MOE PR MP5K stock fully assembled with our own MP5K AR stock/brace adapter. MOE PR stock blends the simplicity of the legacy MOE Carbine Stock with design lines reminiscent of the PRS Lite now coupled with our...HKP-21197$195.89 -
Meprolight HK45/HK45C, P30, VP9 Hyper-Bright Self Illuminated Day/Night Sight Set - Yellow
Meprolight
$113.95Meprolight HK45/HK45C, P30, VP9 Hyper-Bright Self Illuminated Day/Night Sight Set - Yellow Mepro Hyper-Bright fixed pistol sights feature an extremely bright contrasting colored ring front sight. The tritium is illuminated green to provide low-light and...HKP-19941$113.95 -
PWS Keymod Bipod Adapter for Harris Style Bipods
PWS Primary Weapon Systems
$21.95Keymod Bipod Adapter for Harris Style Bipods The Harris Style Bipod Mount is quick to install and easy to use. Fits snug to your KeyMod or PicMod handguard and ensures a stronghold on your Harris Bipod.HKP-19272$21.95 -
RCM HK P30 .40 Cal S&W To .357 Sig Conversion Barrel - Non-Threaded
RCM
$237.50RCM HK P30 .40 Cal S&W To .357 Sig Conversion Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the best barrel for the HK P30 .40 S&W. This ...HKP-17505$237.50 -
On Sale
Sig Sauer Romeo Zero Reflex Sight 3MOA Dot 1X Power
Sig Sauer
Now: $149.95Was: $229.95Sig Sauer Romeo Zero Reflex Sight 3MOA Dot 1X Power The fastest, most accurate, ultra-compact micro reflex sight- the ROMEO Zero has been optimized for everyday concealed carry and pistols with slim slide profiles. The sight features a ruggedized,...HKP-19573Now: $149.95Was: $229.95 -
Streamlight TLR-2G Tactical Light & Laser Combo - Green
Streamlight
$404.95Streamlight TLR-2G Tactical Light & Laser Combo - Green New C4 LED technology, impervious to shock with a 50,000 hour lifetime. Highly visible 522-542 nm green laser C4 LED delivers 6,300-candela peak beam intensity; 200 lumens. Textured parabolic...HKP-16717$404.95 -
Streamlight TLR-4 Tactical Light & Laser Combo - Green
Streamlight
$359.95Streamlight TLR-4 Tactical Light & Laser Combo - Green Features: White LED with Green Laser Ultra lightweight and compact Amidextrous momentary/steady On-Off switch One handed snap-on and tighten interface keeps hands away from muzzle when...HKP-16914$359.95 -
Surefire XC1 Ultra-Compact LED Light
Surefire
$332.00Surefire XC1 Ultra-Compact LED Light Features: Lightweight and ultra-compact; ideal for concealed-carry use High-performance LED generates 300 lumens of tactical-level light Multifaceted reflector creates broad, smooth MaxVision Beam for close-quarter...HKP-17663$332.00 -
Talon Grip HK USP Compact 9mm & .40 S&W - Rubber Black
Talon Grip
$19.99TALON Grip - USP Compact 9mm/.40 - Rubber Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The pistol...HKP-20285$19.99 -
Talon Grip HK VP9SK Rubber - Small - Black
Talon Grip
$19.99TALON Grip - H&K VP9SK - Rubber Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...HKP-20260$19.99 -
Troy Industries Front Battle Sight - Black
Troy Industries
$119.95Troy Industries Front Battle Sight - Black Durability and dead-on accuracy have made the Troy Industries Front Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Please Note: It will not work on a railed front gas...HKP-00031$119.95 -
B&T 20 Round TP9/MP9/APC 9mm Magazine - Translucent
B&T Brugger & Thomet
$64.95B&T 20 Round TP9/MP9/APC 9mm Magazine - Translucent Swiss B&T manufactured 20-round magazine for the 9mm TP9, MP9 & APC Compatible With: TP9 MP9 APCHKP-17303$64.95 -
Out Of Stock
B&T MP5SD Brass Catcher For Use With SD B&T Forearm
B&T Brugger & Thomet
$209.95B&T MP5SD Brass Catcher For Use With SD B&T Forearm B&T brass catcher QD/QO polymer for HK MP5SD. This only works only with handguard BT-21343.HKP-18099$209.95 -
B&T TP9/TP380 Stock Conversion Kit
B&T Brugger & Thomet
$147.95Stock Conversion Kit - TP9, TP380 Converts B&T's telescopic brace into a telescopic stock. Compatible with B&T part number BT-20522 for TP9, TP380. Compatible With: TP9 TP380HKP-19128$147.95 -
On Sale
Blade-Tech HK VP9 WRS Level 2 Duty Tac-Light LH Holster - Black
Blade-Tech
Now: $77.95Was: $124.95HK VP9 WRS Level 2 Duty Tac-Light Surefire Holster -Lefty Blade-Tech WRS Level 2 Duty Holster w/Tac-Light allows the user to carry his or her Surefire X300 light on the rail system of their duty firearm. The WRS Level 2 holster was designed to mimic the...HKP-16936Now: $77.95Was: $124.95 -
Comp-Tac HK P2000 MTAC IWB RH Holster - Black
Comp-Tac
$92.95MTAC Holster - Right Hand - HK P2000 The MTAC is an inside the waistband (IWB) Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster offers the best in comfort and speed...HKP-19591$92.95 -
Comp-Tac HK P30, HK45C International LH Holster - Black
Comp-Tac
$79.95Comp-Tac HK P30, HK45C International LH Holster - Black The International is an Outside the Waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for...HKP-19611$79.95 -
Comp-Tac HK USPC .45 ACP RH Paddle Holster - Black
Comp-Tac
$84.95Comp-Tac HK USPC .45 ACP RH Paddle Holster - Black The Comp-Tac Paddle Holster is an all-Kydex outside the waistband holster that may be worn for competition, general use or concealed carry. The paddle is designed to be worn at 3:00 for the right handed...HKP-18819$84.95 -
Comp-Tac HK VP9L International LH Holster - Black
Comp-Tac
$79.95HK VP9L International Holster - Left 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 for competition shooting,...HKP-19091$79.95 -
Comp-Tac HK VP9SK Infidel Max RH Holster - Black
Comp-Tac
$76.95HK VP9SK Infidel Max Holster - Right Hand The Infidel Max Holster is an all-Kydex Inside the Waistband holster with cant adjustment holes to allow the user to change from a reverse cant, speed cant and FBI forward cant. The Infidel Max Holster all-Kydex...HKP-18614$76.95 -
Out Of Stock
CQT FX Simunition Conversion Kit for MP5 - 9mm - Used
Simunition
$149.95CQT FX Simunition Conversion Kit for MP5 - 9mm - Used Used in good condition. Includes: Barrel insert Locking piece Barrel muzzle clampHKP-20648$149.95 -
Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK93, HK33
FA Franklin Armory
$879.95Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK93, HK33 3 Position HK Binary Trigger Group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger pack box, trigger,...HKP-19647$879.95