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 Style MP5K 9mm Complete Bolt Group
RCM
$379.95Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group will work and fit on semi or full auto MP5K 9mm style firearms. This is the finest US BCG available. Each...HKP-19846$379.95 -
H&K 9mm / .357 SIG Barrel Bore Brush
H&K Heckler & Koch
$1.95HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting bore...HKP-02760$1.95 -
HKP 9mm Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP 9mm Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on in spec...HKP-20170$99.95 -
RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH
RCM
$239.95RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP9L 9mm pistol,...HKP-19203$239.95 -
SB Tactical - HK MP5 Brace with HKP Adapter - Skeletonized
SB Tactical, HKP HK Parts
$299.95SB Tactical Side Folding Brace For The HK MP5, SP5 model Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling...HKP-21055$299.95 -
AIM Sports Low Profile Red/Green Dot Micro Sight
AIM
$59.95Micro Red Dot Low Profile Sight With Green & Red Dot Option For those that require a good, reliable, well made optic without the name brand or heavy price tag, this is an outstanding choice. This micro optic is rated for anything from .22 all they...HKP-16209$59.95 -
B&T MP5K & MP5 - Folding Stock Section Only
B&T Brugger & Thomet
$139.95B&T MP5K & MP5 - Folding Stock Section Only Ideal for those moving from the SB Tactical SBT5 or SBT5K side folding brace to NFA/SBR status as these braces already include the B&T side-folding stock adapter backplate. Specifications: Requires...HKP-18246$139.95 -
Evolution Gun Works HK VP9/P30/HK45/HK45C Deltapoint Pro Sight Mount
Evolution Gun Works
$49.95Evolution Gun Works HK VP9/P30/HK45/HK45C Deltapoint Pro Sight Mount Mounting Hardware is Included Features: Material: 7075 aluminum Coating: matte black hardcoat Overall length: 1.604" Overall width: .99" Mounting hardware: (2) 6-32 button...HKP-20045$49.95 -
Out Of Stock
H&K HK MP7 Piston Ring
H&K Heckler & Koch
$9.95HK German MP7A1 Piston Ring For Gas Piston New HK German MP7 piston ring. A high wear & tear item. Works on all HK MP7 models. Each ring is sold individually. 3X are needed for each piston. We suggest ordering 3 and swapping them all at the same time.HKP-17426$9.95 -
H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$89.95H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, knicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...HKP-19787$89.95 -
HK Rifle Tac Latch - HK 91, G3, HK 93, 33
$69.95HK Rifle Tac Latch For HK 91, G3, HK 93, & 33 HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto versions eliminated this much-needed feature due to import restrictions...HKP-02791$69.95 -
HKP 27 Round HK VP9, HK P30 9mm Complete Magazine - Black
HKP HK Parts
$109.9527 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 Drop-in magazine ready to go! HK Parts takes an existing 17 round magazine and a +10 magazine extension to assemble them into a working 27 round magazine. Compatible With: HK VP9, VP9...HKP-19410$109.95 -
HKP HK USP 9/40 Compensator
HKP HK Parts
$199.95HK USP 9/40 Compensator The HK Parts USP 9/40 compensator will add a sleek and tactical look to your USP. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore allows you to...HKP-20813$199.95 -
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 12 Round HK USP .45 ACP Extended Floor Plate
H&K Heckler & Koch
$10.50HK USP 45 12 Round Magazine Floor Plate - Extended A great spare to have on hand as these are prone to breakage if mags are dropped on hard surfaces. Compatible With: All HK USP 45 full size & USP 45 Tactical 12 round magazines.HKP-00920$10.50 -
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 Parts 2 Point Operator Sling
HKP HK Parts
$19.95HKP HK Parts 2 Point Operator Sling 2 point sling similar to the popular Magpul style sling. Made to last and a great sling for the money. Not set up for use on the HK style rifles unless you add AR15/M4 style attachment points for the 2 points of the...HKP-15375$19.95 -
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 -
HKP HK VP9SK Bench Mat
HKP HK Parts
$13.95Gunsmithing, Cleaning Bench Mat - HK VP9SK, VP9SK Tactical This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun...HKP-18091$13.95 -
HKP MP5 9mm Muzzle Brake - 3 Lug
HKP HK Parts
$104.95HKP MP5 9mm Muzzle Brake - 3 Lug Easily attaches to the end of any factory German specification 9mm 3 lugged barrel. This muzzle brake doesn't require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on...HKP-18795$104.95 -
Magpul AFG2 Angled Foregrip for Picatinny Rail - Black
Magpul
$33.95Magpul AFG2 Angled Fore Grip for Picatinny Rail - Black Made in the USA, the AFG-2 (Angled Fore Grip) is a slim line design that is shorter in overall length and width in comparison to the original AFG. By positioning the shooter's...HKP-10655$33.95 -
Comp-Tac HK VP9, VP9L & Match International Holster - Right Hand
Comp-Tac
$79.95Comp-Tac HK VP9, VP9L & Match International Holster - Right Hand One holster to fit your entire VP9 button collection, including your VP9 Match. Comp-Tac has worked with HK Parts to develop a flexible holster to fit your needs- whether you have the...HKP-20200$79.95 -
H&K 12 Round HK VP9SK/P30SK 9mm Flush Floorplate Magazine - Black
H&K Heckler & Koch
$49.00H&K 12 Round HK VP9SK/P30SK 9mm Flush Floorplate Magazine - BlackHKP-20603$49.00 -
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 -
HKP +5 HK VP9SK/P30SK Magazine Extension Kit - Black
HKP HK Parts
$39.95HKP +5 HK VP9SK/P30SK Magazine Extension Kit - Black Adds 5 additional rounds to the HK VP9SK/P30SK 10 Round magazine with the simple swap of the floor plate & high reliability mag spring. This is an easy 2 min. swap. No gunsmithing needed. Ultra low...HKP-18494$39.95 -
HKP HK 91 Polymer To Metal Trigger Group Conversion Kit
HKP HK Parts
$225.95HK 91/PTR 91 Polymer To Metal Trigger Group Conversion Kit. This is everything you will need to convert the lower trigger group on your HK 91 from polymer to metal housing with contoured grip. Just use your existing trigger pack to complete the...HKP-17362$225.95 -
HKP HK VP9 Magwell - Tactical Low Profile - Steel
HKP HK Parts
$59.95 - $74.95HKP HK VP9 Magwell - Tactical Low Profile - Steel Low profile, every day carry magwell for the HK VP9/VP40 pistol. The low profile mag-well is designed for the average every day VP owner. Whom would like the enhancements and competitive advantage a mag...HKP-18545-M$59.95 - $74.95 -
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 30 Round HK MP5/MP5K, SP5K/SP5K 9mm Magazine - RAL 8K
H&K Heckler & Koch
$80.00New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - RAL 8K Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped, and painted In Germany...HKP-19354$80.00 -
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 Roller Sear For SEF, Navy Trigger Packs
H&K Heckler & Koch
$29.95H&K Roller Sear For SEF & Navy Trigger Packs It is the newer style, not the older friction type of sear. This item is also referred to as the catch with a roller but is more commonly called a sear.HKP-01710$29.95 -
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 416 .22 Bench Mat
HKP HK Parts
$24.95HK 416 .22 LR Bench, Gunsmithing Mat Our HK 416 .22 bench mat is the perfect cleaning & repair mat designed specifically for your HK 416 .22 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects your...HKP-17279$24.95 -
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