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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HKP HK MP5 Navy Binary Trigger Group - Engraved
FA Franklin Armory / HKP
$1,299.95HKP HK MP5 Navy Binary Trigger Group - Engraved 3 Position Navy style Engraved Pictograph– HK Binary Trigger Group Our latest and greatest binary trigger group freshly delivered with a factory HK German housing that was professionally engraved and...HKP-21000-M$1,299.95 -
HKP SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
HKP HK Parts
$74.95HK SP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Install Kit No modifications, no refinishing...complete drop-in kit included. New USA made busing for a drop-in install kit for the HK SP5K. This kit will allow any end-user to quickly,...HKP-18192$74.95 -
GSG GSG-5/GSG-522 M4 Style 6-Position Retractable Stock - Black
GSG German Sports Guns
$79.95GSG GSG-5/GSG-522 M4 Style 6-Position Retractable Stock - Black This is the ideal stock to use for your GSG-5 if you like the M4, AR15 style stock & feel. Fully adjustable with multiple positions for just the right look and feel. Compatible...HKP-16949$79.95 -
H&K Grip Cap Replacement Spring
H&K Heckler & Koch
$4.95H&K Grip Cap Replacement Spring This is the replacement spring that is used on both the US and German made grip caps that can become damaged and broken with use. A great idea to have on hand as the spring will get bent and destroyed with use. We use...HKP-16408$4.95 -
H&K UMP/USC (.45 ACP) Magazine Loader
H&K Heckler & Koch
$49.95HK German Factory USC & UMP .45 Magazine Loader Fits all HK German UMP .45 25-round magazines as well as the USC 10-round factory magazines. A great addition for your range time and to avoid those sore thumbs. Compatible With: German HK UMP .45...HKP-00606$49.95 -
H&K USP .40 S&W +5 Magazine Extension
HKP HK Parts
$49.95H&K USP .40 S&W +5 Magazine Extension HK Parts magazine extension +5 adds 5 additional rounds to the full size USP & USP Tactical 13 round magazine. It uses the existing mag body, spring, and follower. Just slide the magazine extension on and...HKP-18645-M$49.95 -
HKP HK MP5/MP5K 4-Piece Set Magazine Release
HKP HK Parts
$49.95HKP HK MP5/MP5K 4-Piece Set Magazine Release Each magazine catch set consists of 4 pieces and is a mixture of German HK and US-made parts. This is the set that provides left-to-right mag release controls. Each Set Includes: Mag catch Push button for mag...HKP-00912$49.95 -
HKP HK UMP (.40 S&W/.45 ACP/9mm) USC to UMP ACR Stock Upgrade
HKP HK Parts
$459.95HK USC-UMP ACR Stock Adapter & ACR Stock Combo A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and stock...HKP-17252$459.95 -
H&K 10 Round HK USP 9mm Magazine - Black
H&K Heckler & Koch
$49.00H&K 10 Round HK USP 9mm Magazine - Black Perfect for those that live in magazine restrictive states or for those that require a 10 round mag capacity. Compatible With: HK USP 9mm HK USP 9mm Tactical HK USP P8HKP-01239$49.00 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED EXELLENT
H&K Heckler & Koch
$49.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED EXELLENT German made Heckler & Koch grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers. Priced to...HKP-18335$49.95 -
H&K HK P30/USP/45/45C/P2000 Flat Spring
H&K Heckler & Koch
$12.95HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical, Elite, Expert HK USP Compact 9mm HK USP Compact...HKP-01259$12.95 -
H&K HK USP Match Trigger & Trigger Stop
H&K Heckler & Koch
$29.95HK USP Match Trigger & Trigger Stop The match trigger overstep screw is threaded M2.5 X .45 for those who want to use the screw in other applications or pistol triggers. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Tactical HK...HKP-01971$29.95 -
H&K MP5 & MP5K 9mm Magazine Floor Plate
H&K Heckler & Koch
$10.95HK MP5, 94, MP5K, & SP-89 9mm Magazine Floor Plate - German HK New HK German manufacture. It will fit all HK MP5/MP5K magazines.HKP-01051$10.95 -
HK Parts Range Bag - Large
$34.95HK Parts Range Bag - Large Get your hands on our new premium range bags. Main cover has loop fastener panel for hook and loop patches and name tape and a top hook and loop fastener loop for securing hearing protection for easy access when at the shooting...HKP-20741$34.95 -
Out Of Stock
B&T HK MP5K, SP5K Telescopic Brace
B&T Brugger & Thomet
$549.95B&T Telescopic Brace for HK MP5K, SP5K B&T telescopic brace for HK SP5K/MP5K and clones Specifications: Length adjustable in 5 positions Includes replaceable elastomer rubber buffer Just add your favorite tailhook style device and you are good...HKP-19861$549.95 -
H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power
H&K Heckler & Koch
$14.95H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power New HK German extra power hammer spring for all .308/.223 Semi & Full Auto Trigger Packs. This is a must have spare replacement part for your HK firearm parts bin. The heavy hammer...HKP-16447$14.95 -
H&K 91/G3 (7.62x51/.308) Rear Sight Assembly - Used-Excellent
H&K Heckler & Koch
$18.95HK German G3, 91, PTR Rear Sight Assembly - Used Excellent Condition HK German factory sight with rear sigh detent and detent spring installed. These sights are the finest hand-picked, sorted sights available at a fraction of the cost of a new $85 set...HKP-02229$18.95 -
H&K HK MR556/416 Receiver End Plate
H&K Heckler & Koch
$24.95HK 416, MR556 End Plate For Receiver & Buffer Tube New HK German manufacture. Compatible With: HK MR556 & HK 416 upper receiever/buffer tubesHKP-16603$24.95 -
Out Of Stock
H&K HK USP, HK 45, HK 45C Detent Plate Variant 3 & 4
H&K Heckler & Koch
$39.95Detent Plate For V3 & V4 Installing the V3/4 detent plate will configure the selector lever to de-cock only, thereby disabling the safety function. The V3/4 is a popular configuration to LE/MIL agencies around the globe as well as many concealed...HKP-01172$39.95 -
H&K/HKP 22 Round HK VP9SK/P30SK Magazine Complete - Black
HK Parts, Heckler & Koch
$89.9522 Round Magazine with Black +10 Extension - 9mm - HK VP9SK & P30SK Ideal for competitive shooters that would like a 22 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing 10 round...HKP-20067$89.95 -
HKP 22 Round HK VP9, HK P30 9mm Complete Magazine - Red
HKP HK Parts
$79.9522 Round Magazine Complete - Red Extension & Red Follower - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +5 magazine extension coupled with a 17 round factory German magazine body adds 5 additional rounds total for a fully assembled 22 round HK VP9/P30...HKP-19414$79.95 -
HKP HK USP .45/Mark 23 Enhanced Magazine Extension Kit +5
HKP HK Parts
$49.95HKP HK USP .45/MK23 Enhanced Magazine Extension Kit +5 This listing is for the magazine extension ONLY. This is not a complete magazine. The referenced magazine capacity is the total capacity once the extension...HKP-21458-M$49.95 -
HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel
HKP HK Parts
$169.95HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel Made specifically for the VP9 Tactical or VP9 with Threaded barrel - Version 2. Version 2 has the weight reduction cut-out located in the front (as seen in the photos). Besides this V1 and V2...HKP-19470$169.95 -
HKP HK VP9/VP9SK, VP40 Firing Pin w/ Striker - Black
HKP HK Parts
$59.95HK VP9, VP40, VP9SK - Firing Pin/Striker - Titanium The lightest firing pin for your VP9, VP40 pistol. Upgrade your HK VP series pistol to a Ti firing pin. This will allow for a faster & reduced lock time for faster shots and improved accuracy. By...HKP-17643$59.95 -
Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine
Zenith
$43.95Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20916$43.95 -
Out Of Stock
B&T G3/91, 33/93, MP5/94 - Universal Scope Mount
B&T Brugger & Thomet
$119.95B&T G3/91, 33/93, MP5/94 - Universal Scope Mount Specifitacions: Color: Black Height max: 35.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum MSN: 5340-25-149-2979 NATO Accessory Rails: 1 Part number: BT-21262-1 Treatment:...HKP-16878$119.95 -
H&K HK MR556/MR762/416/417 German E1 Convex Butt Pad
H&K Heckler & Koch
$64.95HK MR556, HK416 & MR762, HK417 German E1 Convex Butt Pad The HK Convex buttpad can be used to swap out on the factory E2 or concave-style buttpads for those who desire this option. This way, you can use the concave or convex-style buttpads...HKP-01915$64.95 -
H&K HK USP/45/45C Ambidextrous Control Lever Set Roll Pin
H&K Heckler & Koch
$2.95HK USP, 45 & 45C Ambidextrous Control Lever Set Roll Pin This item is to hold the right side lever onto the left side axle lever. These can easily be lost or damaged. A great spare part to have on hand. Compatible With: HK USP Full...HKP-02394$2.95 -
Handguard Rail System Screw - HK416
H&K Heckler & Koch
$25.95HK416 Factory Handguard Rail System Screw This part has the "X" marked version where the bolt head and/or the HK sling hook tool can be utilized to tighten and release the screw pressure. This part is also compatible with the...HKP-02680$25.95 -
MKE PTR PDW Retractable Stock
MKE
$459.95MKE PTR PDW Retractable Stock A3 Factory new MKE stock professionally converted to fit PTR PDW rifles and pistols. This PTR PDW stock was modified with a heavy profile collapsing rod insert heat treated for longevity. The correct collapsing length on the...HKP-21376$459.95 -
PTR HK 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Central Stock Section With Butt Pad
PTR
$99.95U.S. HK 91, G3, PTR Central Stock Section Black With Butt Pad Compliant parts are hard to find and are important for keeping your HK G3, HK 91, HK33, and 93 build 922r compliant. Compatible With: HK G3, 91, PTR CETME HK 93, 33, 53 Other...HKP-00379$99.95 -
SB Tactical - HK SP5K Side Folding Brace - Skeletonized
SB Tactical, HKP HK Parts
$229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Available exclusively at HK Parts. Features: Made...HKP-21056$229.95 -
Sale
Sig Sauer SIG P320-M17/M18 17-Round 9mm Magazine
Sig Sauer
Now: $39.95Was: $49.95Sig Sauer SIG P320-M17/M18 17-Round 9mm Magazine 17-round magazine for the Sig Sauer P320-M17/M18 with Coyote Brown floor plate. Compatible With: SIG P320-M17/M18HKP-19733Now: $39.95Was: $49.95 -
Trijicon, HKP HK MP5 3.25 MOA / Optic Mount Bundle - Black
Trijicon
$585.95RMR Optic Mount - Bundle - HK MP5 Includes: (1) Trijicon RMR Type 2 Red Dot Sight - 3.25 MOA Red Dot, LED Illuminated (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes...HKP-20732$585.95 -
Choate HK 91/G3 (7.62x51/.308) Folding Stock Replacement Buffer
Choate
$3.95Choate HK 91 & G3 (7.62x51/.308) Folding Stock Replacement Buffer Choate .308 Folding Stock Replacement Buffer For All HK91/G3 PTR Stocks. A great item to have on hand as these do wear and are prone to breaking.HKP-00211$3.95 -
Clipping & Pinning Service HK Lower Housings - Poly
HKP HK Parts
$99.95HK Clipped & Pinned Service - For Polymer Grip Frames We will clip and pin any "push pin" plastic housing for $99.95 each plus return shipping via USPS priority mail. Our technicians can perform the service on a customer supplied grip or we can clip...HKP-00923$99.95 -
H&K German (5.56/.223) & (7.62x51/.308) Hammer Spring - Used
H&K Heckler & Koch
$4.95HK German Rifle Hammer Spring For All.308 & .223 Semi & Full Auto Trigger Packs This is a must have spare replacement part for your HK firearm. The rifle 308/556 hammers spring is also a popular upgrade to replace with the 9mm hammer spring in...HKP-18066$4.95 -
H&K HK P7 Series Drop Safety Catch Spring
H&K Heckler & Koch
$9.95HK P7 Drop Safety Catch Spring This is one of the most common wear items on the P7 series of firearms—a must-have spare part and hard to find. Compatible With: PSP P7M8 P7M13 P7M10HKP-01353$9.95 -
H&K HK P7 Series Extractor Spring
H&K Heckler & Koch
$7.95HK P7 Extractor Spring This is a common wear and replacement part, according to HK Germany. This is a great part to have on hand as a spare. Compatible With: P7 PSP P7 M8 P7 M10 P7 M13HKP-00325$7.95 -
Out Of Stock
H&K MP5SD Rubber Handguard
H&K Heckler & Koch
$229.95New HK German MP5SD Rubberized Steel Handguard Ideal for HK MP5SD 9mm firearms, conversions, and other custom builds. This handguard can also be used for MP5K and MP5SD 40/10mm conversions. Brand new factory German HK manufacture.HKP-00136$229.95