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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H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Good
H&K Heckler & Koch
$17.45Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield Very good condition. For the money, these are a nice addition to the collection. Compatible With: all full forearm length HK 91, G3, PTR style firearmsHKP-18316$17.45 -
H&K Burst Eccentric Bushing
H&K Heckler & Koch
$54.95HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part is one of the most common wear...HKP-02647$54.95 -
H&K G36 (5.56/.223) 4 Position Retractable Stock - Folding
H&K Heckler & Koch
$349.95HK G36, G36k, G36C, & SL8 Conversion Rear Stock Assembly The G36 KV stock, as it is known, was built by HK for a military contract and is built HK tough with an overall length of 8.5 inches (fully collapsed) to 11.40 inches when fully extended. Each...HKP-02682$349.95 -
H&K HK G3, 91, PTR Bolt Head Complete - LIKE NEW
H&K Heckler & Koch
$179.95German HK G3 & HK 91 & PTR Bolt Head Complete - Used German "ID" Date Coded Made on HK tooling & prints in Germany in 1983. Each used bolt head is complete with all parts installed & 100% functional. Taken from live de-milled German HK G3...HKP-20227$179.95 -
Sale
H&K HK G36 Poster
H&K Heckler & Koch
Now: $4.95Was: $14.95H&K HK G36 Poster Limited edition print no longer in production. Shows all models of the famous G36 battle rifle. Available while supplies last! Specifications: Height - 24" Width - 18"HKP-16688Now: $4.95Was: $14.95 -
H&K HK MR556/416 Vented Slimline Gas Block
H&K Heckler & Koch
$135.00HK German MR556, 416 Gas Block Complete - Low Profile This part is the factory slim-line, low-profile gas block for the MR556/HK416. There are no bayo lug or sling attachment points. This is the factory-correct gas block found on the...HKP-02660$135.00 -
H&K HK P2000/P30/USP Heavy Firing Pin Block Spring
H&K Heckler & Koch
$9.95HK P2000 & P30 Heavy Firing Pin Block Spring This is the heavy LEM spring found on the LEM conversion. Compatible With: Any post-2005 production USP & UPSC P2000 P2000SK P30 P30SK Will fit the HK45 & HK45C modelsHKP-01603$9.95 -
H&K HK VP9/VP9SK, VP40 Right Side Slide Release - Black
H&K Heckler & Koch
$18.95Right Side VP9, VP40 Slide Release Lever Compatible With: HK VP9 HK VP9SK HK VP40HKP-16794$18.95 -
H&K HK VP9/VP9SK, VP40 Sear Release Catch - Black
H&K Heckler & Koch
$7.95Sear Release Catch HK VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP40HKP-16798$7.95 -
H&K MP5 & MP5K Railed Scope Mount - MLI - RAL 8000
H&K Heckler & Koch
$279.99HK German Low Profile Mount For HK MP5, MP5K- MLI - RAL 8000 HK MP5, MP5K low profile picatinney scope mount. Manufactured in house at HK Germany as part of the "Mid-Life Improvement" upgrade for the MP5 family of firearms. The first Picatinny style low...HKP-17661$279.99 -
H&K Navy Extended Selector Lever - 3 Position
H&K Heckler & Koch
$199.95HK Ambidextrous Left Side EXTENDED (ESSL) 3 Position Navy Selector Lever New German HK Extended lever for all 3 position navy ambidextrous trigger packs or trigger groups. It will not fit SEF-style trigger packs.HKP-00125$199.95 -
Sale
H&K Pistol Mag 4 Slot Pouch
H&K Heckler & Koch
Now: $19.95Was: $27.95H&K Pistol Mag 4 Slot Pouch Features: HK licensed red HK embroidered logo Mil-Spec Ballistic nylon Durable construction with heavy duty velcro fold-over flap Specifications: Height: 6" Length: 8.5" Color: Black (4) Compartments to fit...HKP-19693Now: $19.95Was: $27.95 -
HK G36/SL8 (5.56/.223) Bolt Group Fork
USA
$10.95G36 & Sl8 Bolt Group Fork For Cocking Handle - USHKP-18774$10.95 -
HK German Leather Sling
H&K Heckler & Koch
$99.95German HK Leather 2 point sling - New Comes with HK sling hook. Complete and new condition. Made with leather straps and steel hardware and HK sling hook. Compatible With: HK91 G3 PTR91 & CETMEHK93 33 53HK94 MP5HK clones or other custom...HKP-20485$99.95 -
HK P2000SK .40 S&W To .357 SIG Conversion Barrel - Non-Threaded
RCM
$239.95HK P2000SK .40 S&W To .357 SIG Conversion Barrel - Non-Threaded This is a great spare or replacement barrel to have on hand. Also, a popular barrel to convert the P2000SK .40 S&W to .357 SIG. Specifications: P2000SK .40 S&W To .357 SIG...HKP-20581$239.95 -
HKP .40 S&W Micro Comp - Threaded 14.5x1 LH
HKP HK Parts
$29.95HKP .40 S&W Micro Comp - Threaded 14.5x1 LH The HK Parts Micro Comp & Thread Protector is a lightweight, dual-function device serving as both a compensator and thread protector. It attaches easily to any factory-spec 14.5x1 LH .40 S&W barrel,...HKP-19954$29.95 -
HKP HK VP9 Stand Off Device - Black
HKP HK Parts
$109.95HKP HK VP9 Stand Off Device - Black The HK Parts VP9 standoff is designed to keep the slide in battery to allow discharge when the firearm is pressed against or comes into contact with an object. It is an excellent self-defense addition. The standoff...HKP-19143$109.95 -
HKP HK VP9/VP9SK, VP40 Enhanced Slide Cap - Blue
HKP HK Parts
$29.95Enhanced Slide Plate Cover - Blue - VP9, VP9 Tactical, VP9SK & VP40 Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model cover has no firing pin viewing window and is machined to cover as MUCH surface area as possible to seal the firearm from...HKP-18721$29.95 -
HKP MP5SD 9mm Front End Kit
HKP HK Parts
$1,199.95HK MP5SD Front End Build Kit The HK Parts MP5SD front end kit includes everything required (except suppressor) to build an MP5SD front end including the best US and German components available. Each kit counts as 4 922r USA-made parts toward the...HKP-02399$1,199.95 -
PTR HK 91/G3 (7.62x51/.308) Tactical Forearm
PTR
$149.95New 2nd Generation- HK Black Matte Finish PTR, HK91, G3 Forearm Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides,...HKP-00368$149.95 -
SB Tactical AR-15 5 Position Adjustable Stabilizing Brace
SB Tactical
$99.99SBA3 - 5 Position Adjustable Stabilizing Brace - AR15 Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is a 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an...HKP-18646$99.99 -
Talon Grip HK45C Rubber - Black
Talon Grip
$19.99TALON Grip - HK45C - 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 grips will...HKP-20258$19.99 -
B&T HK MP5 9mm Barrel - Threaded 1/2x28 - 3-Lug
B&T Brugger & Thomet
$378.95B&T HK MP5 9mm Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, these MP5 barrels are cold hammer forged, fluted, and nitrided to exact HK specifications. B&T's close relationship with H&K and extensive history of...HKP-17955$378.95 -
B&T MP5, HK33, G3, PTR - Mid Range Mount
B&T Brugger & Thomet
$129.95B&T MP5, HK33, G3, PTR - Mid Range Mount This scope mount will allow the the use of the HK fixed sights (through an oval opening) and also allowing the optic to sit higher thant the front sight tower for an unobstructed view. This will allow the use...HKP-16882$129.95 -
BFSIII HK91, G3, PTR91 HK-C1 Franklin Binary SEF Navy Style Trigger Group
FA Franklin Armory
$849.95Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK91, G3, PTR91 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,...HKP-19646$849.95 -
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 -
Comp-Tac HK USP Infidel Max IWB RH Holster - Black
Comp-Tac
$64.99Comp-Tac HK USP Infidel Max IWB RH Holster - Black 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. Features: All Kydex body...HKP-18248$64.99 -
Comp-Tac HK VP9L Button Comp Carry Holster - Right Hand
Comp-Tac
$79.95Rail Mount Compensator & Comp Weight - International Holster - Right Hand - HK VP9L, VP9L, VP9 Match Optics Ready - BUTTON At last a custom made Comp-Tac international OWB holster for your HK pistol that allows you to have the rail mount compensator,...HKP-20114$79.95 -
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 -
DTAC Picatinny Rail For HK Receivers - 13 Slot
DTAC Dakota Tactical
$74.95DTAC Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...HKP-17818$74.95 -
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) & (7.62x51/.308) Contact Piece For Paddle Mag Release
H&K Heckler & Koch
$29.95HK .223/556 & 308 Contact Piece For Paddle Magazine Release German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release.HKP-00465$29.95 -
H&K 90 Series Trigger
H&K Heckler & Koch
$19.95H&K 90 Series Trigger New German 90 series Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-18706$19.95 -
H&K G36/SL8 (5.56/.223) Bolt Head Ejector Pin
H&K Heckler & Koch
$7.95Bolt Head Ejector Pin For G36 & SL8 This item is the pin that holds the ejector & ejector spring in place. It is a common wear and replacement item and a must-have when doing bolt head maintenance.HKP-01876$7.95 -
H&K HK MR556/416 Bolt Catch Plunger
H&K Heckler & Koch
$9.95HK MR556 & HK 416 Bolt Catch PlungerHKP-02655$9.95 -
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 -
H&K HK P30/P2000 Trigger Bar Detent Spring
H&K Heckler & Koch
$7.95HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-01799$7.95 -
H&K HK USP Adjustable Rear Sight - Black
H&K Heckler & Koch
$119.95H&K HK USP Adjustable Rear Sight - Black HK German adjustable rear sight for use with HK USP full size pistols Compatible With: HK USP .45 HK USP .40 HK USP 9mm HK USP Tactical .45 HK USP Tactical .40 HK USP Tactical 9mm All HK USP full size...HKP-17361$119.95 -
H&K HK USPC/45/45C Magazine Follower - Black
H&K Heckler & Koch
$9.95HK USPC, 45, & 45C Magazine Follower - Black A great spare to have on hand as the follower is a wear and replacement part. Do not forget to order spare magazine springs while you are at it. New HK German manufacture. Compatible With: HK USPC ...HKP-02249$9.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Front Sight
H&K Heckler & Koch
$14.95New HK German Factory USC/UMP Front Sight This is a common wear or breakage part. This part is easy to swap out by just knocking out the roll pin, replacing it, and then re-inserting the roll pin. This is a common wear or breakage part. Compatible with...HKP-00254$14.95