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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Out Of Stock
H&K MP5K/SP89/SP5K 9mm #28 Locking Piece
H&K Heckler & Koch
$199.95H&K MP5K/SP89/SP5K/SP5K PDW 9mm #28 Locking Piece This is the locking piece that is recommended when using a suppressor and 147-grain or heavier bullets. This will slow the rate of fire while suppressed to safe levels. This locking piece is 80...HKP-00918$199.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch Pin
H&K Heckler & Koch
$5.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch PinHKP-16517$5.95 -
HK VP9/VP9SK, HK VP40 Clamping Pin For Insert
H&K Heckler & Koch
$5.95Dowel Pin Or Clamping Pin This is the pin that goes through the trigger housing in the frame. Compatible With: HK VP9 HK VP9SK HK VP40HKP-17226$5.95 -
HKP HK MP5K Folding Stock w/ Adapter - Black
$269.95German Folding Stock with HK Parts Adapter - MP5K German folding stock with MP5K HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5K SP5K In spec clonesHKP-19550$269.95 -
HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - FDE
HKP HK Parts
$29.95HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - FDE HK VP9, VP40 Alloy Slide Plate. A direct replacement for the cheap plastic slide plate that comes stock with your HK VP9, VP40. A great way to dress up and enhance your HK VP9, VP40 pistol. Made from...HKP-18576$29.95 -
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 -
RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH
RCM
$259.95RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH Upgrade your HK45 with the RCM Tactical .45 ACP barrel. Made from fully heat-treated 4140R steel, this barrel is double stress-relieved and coated with nitrided for superior durability and corrosion...HKP-08926$259.95 -
RCM HK USP .45 ACP Barrel - Threaded 16x1 LH
RCM
$279.95RCM HK USP .45 ACP Barrel - Threaded 16x1 LH HK USP .45 ACP & HK USP Tactical .45 ACP threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory USP Tactical.45 ACP barrel is threaded...HKP-20130$279.95 -
RCM MP5K/SP89/SP5K 9mm RS Trunion
RCM
$69.95MP5K Reverse Stretch Trunnion US-made to exact factory HK specifications for the HK MP5K, SP89 9mm builds. There is a difference between the MP5K and the MP5 trunnion. This offering is the correct trunion for the MP5K and all MP5K PDW variants, including...HKP-02242$69.95 -
SB Tactical HK MP5 SBA3 5 Position Adjustable Stabilizing Brace - Black
SB Tactical
$269.95SBA3 - 5 Position Adjustable Stabilizing Brace - MP5 The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances versatility, and features a minimalist design with an integral,...HKP-20276$269.95 -
Sale
SB Tactical Pistol Stabilizing Brace w/Hex Buffer Tube, Universal
SB Tactical
Now: $69.95Was: $109.95SB Tactical Pistol Stabilizing Brace w/Hex Buffer Tube, Universal The SB-MINI Kit provides the ultimate minimalist solution for buffer tube compatible Pistol Stabilizing Braces. The Kit includes the Phase5 Hex-2 tube machined specifically to...HKP-20478Now: $69.95Was: $109.95 -
Solar Tactical PTR 91 Navy Style Kydex Grip Wrap - Black
Solar Tactical
$59.95Solar Tactical PTR 91 Navy Style Kydex Grip Wrap - Black Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10 rounds...HKP-18897$59.95 -
Strike Universal Picatinny - Dual Folding Adapter - Stabilizer
Strike Industries
$197.99Strike Dual Folding Adapter - Stabilizer This new stabalizer is the perfect option for the MP5 or MP5K platform that utilizes a 1913 picatinny back plate. For a quick and easy ambidextrous folding action. The Strike Dual Folding Adapter is a...HKP-21288$197.99 -
Talon Grip HK VP9, VP40 Granulate - Medium - Black
Talon Grip
$19.99TALON Grip - H&K VP9, VP40 - Granulate Black - Medium 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...HKP-20247$19.99 -
Choate HK 91/G3 (7.62x51/.308) Folding Stock
Choate
$147.95HK91, G3, & PTR - Folding Stock The new HK Choate side folding stock is complete with a sling swivel and a new German HK backplate, ready to drop on your favorite HK rifle. No gunsmith is needed as this is an easy-to-do drop in stock. Pull the two...HKP-01950$147.95 -
German Army Multi Function Pocket Knife
Mil-Tec
$12.95German Army Multi Function Pocket Knife German army multi function knife that is brand new production. A nice handy pocket knife at a great value. Comes with a black vinyl case and a removable cover for the saw blade. Specifications: Blade: stainless...HKP-19762$12.95 -
H&K 18 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazzine - Red
$89.95H&K 18 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazzine - Red HK Parts +5 magazine extension coupled with a 13 round .40 cal factory German magazine body adds 5 additional rounds. For a total fully assembled hand fitted...HKP-20182$89.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - Used
H&K Heckler & Koch
$59.95German 5 Round Steel Magazine - G3, 91, CETME .308 - Like New Compatible With: HK G3, 91, PTR HK CETME, Clone or other custom builds HK PSG-1 HK MSG-90 HK 11HKP-18924$59.95 -
H&K HK 416 10.4" Vented Upper Gas Block
H&K Heckler & Koch
$279.95HK German 10.4" Upper Gas Block Complete New Vented Style New HK German manufacture newest "VENTED" version direct from HK Germany. Great upgrade part for existing 10.4" uppers that have the older style non-vented gas block or to use on the MR556-HK 416...HKP-18056$279.95 -
H&K HK 416 Factory Retractable Stock - Black
H&K Heckler & Koch
$129.95HK 416 & AR15 6 Position Retractable Stock New HK Marked 6 position AR15 commercial stock. This stock fits all commercial AR-15/M16 buffer tubes. The stock telescopes expands and retracts to 6 locked positions. Marked with the HK logo and...HKP-00049$129.95 -
H&K HK G36 Backplate Complete w/ Recoil Assembly
H&K Heckler & Koch
$199.95HK G36 Backplate Complete With Recoil Assembly New HK German G36 Backplate with new G36/SL8 recoil buffer and recoil assembly. This assembly does include the recoil rod retaining screw. This is a great spare or replacement to have on hand. These are also...HKP-16735$199.95 -
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 Bolt Carrier
H&K Heckler & Koch
$397.95German HK MR556 & HK 416 Factory Bolt Carrier With The Newer Style Bolt Retaining Key This is the factory one-piece carrier that has the out-of-battery disconnect and the bolt retaining latch assemblies installed to make up the HK...HKP-02718$397.95 -
H&K HK MR556/416 E1 Charging Handle - RAL 8000
H&K Heckler & Koch
$169.99New RAL 8000 HK Designed HK416, MR556 Ambidextrous Charging Handle (E1). The E1 HK 416 FDE charging handle release latch has the ability of being swapped from the left side (E1) to the right sight (E2) with simple tools. HK's own design boasts a smooth...HKP-18502$169.99 -
H&K HK MR556/416 Extractor Axle Pin
H&K Heckler & Koch
$11.95HK MR556 & 416 Extractor Axle Pin This factory HK German part holds the extractor in place on the bolt head. This item needs to be changed each time it is removed per HK. Compatible With: HK 416 MR556 M27 HK 416 A5HKP-00040$11.95 -
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 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 HK MR762/417/G28 Handguard Rail System Screw - Black
H&K Heckler & Koch
$16.95HK MR762, HK 417 Factory Handguard Rail Screw Each MR762 takes and uses 2 retaining screws for the handguard. New HK German manufacture. Compatible With: HK MR762 HK 417 HK G28HKP-16601$16.95 -
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 P30L Complete Recoil Assembly
H&K Heckler & Koch
$97.95HK P30L (Long Slide) 9mm Recoil Rod Assembly Complete Genuine German Heckler & Koch part for the HK P30L 9mm. Fresh springs help the pistol function as it was designed. Compatible With: HK P30L 9mmHKP-02485$97.95 -
H&K HK USP .45 ACP Complete Recoil Assembly
H&K Heckler & Koch
$99.95H&K HK USP .45 ACP Complete Recoil Assembly New HK German manufacture. Compatible With: HK USP 45 Full Size Pistol HK USP Expert HK EliteHKP-01161$99.95 -
H&K HK USP Raised Tactical Front Sight - Black
H&K Heckler & Koch
$22.95H&K HK USP Raised Tactical Front Sight - Black Compatible With: USP 9mm USP .40 USP .45 USP Tactical models USP Expert modelsHKP-01403$22.95 -
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 HK USPC Left Handed Right Side Control Lever V2/6/10
H&K Heckler & Koch
$39.95For Variant 2, 6, And 10 - Right Side Selector Lever For Left Handed Shooter The lever you need to swap right to left-handed Compatible With: HK USP Compact 9mm HK USP Compact .40 Cal / .357 Sig HK USP Compact .45 Cal HK USPC...HKP-01434$39.95 -
H&K HK VP9, HK VP40 Grip Panel Left Side - Small - Black
H&K Heckler & Koch
$24.95H&K HK VP9, HK VP40 Grip Panel Left Side - Small - Black New HK German manufactured. Left side size small perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-16807$24.95 -
H&K HK VP9, HK VP9L Optics Plate #5 Fastfire - Black
H&K Heckler & Koch
$48.95Optics Plate #5 Fastfire - HK VP9, VP9L All Steel HK German OEM optics plate. Compatible With: Burris Fastfire GEN 2&3 and vortex, viper, and venom ADE Advanced RD3-015 HK VP9 OR, VP9 Tactical OR HK VP9L OR HK VP9 Match OR VP9SK OR **Plate only...HKP-19257$48.95 -
H&K HK91, G3, PTR Parkerized Backplate & Recoil Rod Assembly - Parkerized
H&K Heckler & Koch
$34.95Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized.HKP-19692$34.95 -
H&K MP5/MP5K 3-Lug Blank Firing Adapter
H&K Heckler & Koch
$139.95H&K MP5/MP5K 3-Lug Blank Firing Adapter This part attaches to the end of the 3-lug barrel tip and will allow the use of 9mm blanks for training. A brand new HK German manufactured part. Specifications: 3-Lug Blank Firing Adapter Compatible...HKP-01990$139.95 -
H&K MP5/SP5 9mm SEF Universal Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$99.95H&K MP5/SP5 9mm SEF Universal Trigger Housing - Clipped & Pinned - USED A one size fits all approach for the MP5 and SP5 style semi-auto shelf. This is the best option if you have a MP5 receiver or a SP5. You can easily swap the lower trigger...HKP-21346$99.95 -
H&K MP5K Replacement Buffer For Factory End Cap or Folding Stock
H&K Heckler & Koch
$24.95H&K MP5K Replacement Buffer for Factory End Cap or Folding Stock This item is a Heckler & Koch Genuine Part, used to replace the factory HK buffer on MP5K folding stocks and end caps. This is only usable on the factory OEM stock and end cap. This...HKP-01233$24.95