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 416 Flip Up Rear Sight-2mm-FDE
H&K Heckler & Koch
$339.99FDE HK 416, MR556 & 417 Flip Up Rear Sight (Diopter 3mm Sight) Attaches to any standard picatinny rail. No hardware needed as this is a self contained quick attach rear sight assembly. This unique HK designed sight features a quick & easy push...hkp-18500$339.99 -
H&K 10 Round HK USPC/P2000 Magazine Body - Black
H&K Heckler & Koch
$24.9510 Round HK USPC & P2000 Magazine Body - BlackHKP-02499$24.95 -
H&K 93/53/33 (5.56/.223) Surplus Fixed Stock - A2 - Dark OD Green
H&K Heckler & Koch
$139.95Surplus - Fixed Stock - Dark OD Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings...HKP-18889$139.95 -
H&K G36 (5.56/.223) 10 Round Factory Magazine - Black
H&K Heckler & Koch
$82.95HK G36 Black 10-Round Magazine Compatible With: G36 G36K G36C Double stack capacity magwell converted SL8's. Features: Capacity: 10 rounds Condition: New Manufactured: HK Germany factoryHKP-01083$82.95 -
H&K German Universal Multi Tool
H&K Heckler & Koch
$79.95H&K German Universal Multi Tool This is ideal for the USC or SL8 style of weapon systems. Great multi-tool for sights, handguards, or work on any other accessories.HKP-00374$79.95 -
H&K HK 416/417 Buffer Retainer
H&K Heckler & Koch
$9.95H&K HK 416/417 Buffer Retainer New HK USA manufacture for the HK 416 / 417 family of firearms. Made from stainless steel.HKP-20040$9.95 -
H&K HK G3/HK 91/PTR Parts Kit - PTR Barrel, Flat - Hand Picked
H&K Heckler & Koch
$1,199.95G3, 91 Hand Picked Parts Kit - Barrel, Flat Features: Handpicked stock set Handpicked housing, grip Handpicked magazine Handpicked end date coded bolt group New cocking tube included Full-auto bolt group PTR 18" GI barrel - 5/8 x 24 Please note: Each...HKP-20071$1,199.95 -
H&K HK Mark 23/SOCOM Firing Pin Spring
H&K Heckler & Koch
$8.95HK Mark 23 Firing Pin SpringHKP-01627$8.95 -
H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier
H&K Heckler & Koch
$6.95H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch.HKP-16847$6.95 -
H&K HK MR556/MR762/416/417 Carrying Sling - FDE
H&K Heckler & Koch
$139.95HK 416, MR556 & MR762 Compatible With: HK 416 HK MR556 HK CR556 MR762 & HK 417, G28 Note: That on the MR556 model a sling adapter will be needed for the front attachment point as the MR556 lacks the ambi sling loop on the gas block unlike the...HKP-18491$139.95 -
H&K HK P Series LEM Hammer
H&K Heckler & Koch
$69.95H&K HK P Series LEM Hammer Factory HK German hammer. Compatible With: HK P30 P30L P30SK HK P2000 P2000SKHKP-15436$69.95 -
H&K HK USP Series/45 Series Slide Plate
H&K Heckler & Koch
$8.95H&K HK USP Series/45 Series Slide Plate Compatible With: HK USP 9mm, USP .40 HK USP .45 HK USP Compact 9mm & .40 S&W HK USP Compact .45 ACP All HK Tactical Models HK Elite, Expert HK45C, HK45 HK45C Tactical, HK45 TacticalHKP-01177$8.95 -
H&K HK USP/USPC Lock Out Key
H&K Heckler & Koch
$11.95HK USP & USPC Lock Out Key A great spare that fits all USP & USPC models and variants.HKP-01409$11.95 -
H&K Magazine Release - HK45 & P30, P30L, P30SK
H&K Heckler & Koch
$26.94H&K Magazine Release Compatible With: HK45 HK45 Tactical HK P30, P30S, P30L, P30SK Please Note: This part will not fit pistols other than the ones listed above.HKP-01809$26.94 -
H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Release Axle
H&K Heckler & Koch
$19.95HK UMP Magazine Release AxleHKP-02159$19.95 -
H&K UMP (9mm) Extractor
H&K Heckler & Koch
$60.95New HK German USC/UMP 9mm Extractor This is the perfect spare part to have for your UMP or USC 9mm conversion. Hard to find and only available here at HKPARTS.HKP-00266$60.95 -
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring
H&K Heckler & Koch
$9.95H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring Trigger Spring For All HK UMP & G36 LowersHKP-01864$9.95 -
HK G36, HK SL8 Bolt Catch USF
USA
$14.95HK G36 & SL8 Bolt Catch On AR-15 systems this would be similar to a cam pin. Compatible With: G36, G36K, G36C Sl8 variantsHKP-19122$14.95 -
HK P30 Series Firing Pin - Black
H&K Heckler & Koch
$64.95HK P30 Series Firing Pin - BlackHKP-02211$64.95 -
HKP .40 S&W Thread Protector - 9/16x24
HKP HK Parts
$19.95HKP .40 S&W Thread Protector - 9/16x24 The New Style .40 Caliber Tactical Thread Protector is an essential accessory designed to safeguard your HK .40 caliber pistol's threaded barrels. Perfectly crafted to fit all HK .40 caliber full-size and...HKP-18145$19.95 -
Sale
HKP 20 Round Extended Magazine – Glock 19 - Blue
HKP HK Parts
Now: $37.95Was: $49.95HKP 20 Round Extended Magazine – Glock 19 - Blue Each unit is fully machined from a solid billet of aircraft-grade aluminum that is fully hard coat anodized and set up for a lifetime of use. Completely assembled with a enhanced extended spring and...HKP-20850Now: $37.95Was: $49.95 -
HKP 416 10.4" 5.56 Complete Upper Receiver Assembly
HKP HK Parts
$2,485.95HKP 416 10.4" 5.56 Complete Upper Kit Complete Each kit includes the complete upper assembly, bolt group, tungsten buffer, & high-reliability SS recoil spring. This upper kit is a complete gas piston HK 416 style upper assembly that will drop on your...HKP-17662$2,485.95 -
Sale
HKP Canik Mete MC9 Compensator
HKP HK Parts
Now: $149.95Was: $189.95HKP Canik Mete MC9 Compensator Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. Features multiple muzzle ports and the additional weight to significantly reduce both muzzle flip and recoil. Compatible With: Canik...HKP-21280Now: $149.95Was: $189.95 -
HKP Comp Weight™ HK VP9, VP40 Quick Detach Compensator
HKP HK Parts
$149.95 - $199.95HKP Comp Weight™ HK VP9, VP40 Quick Detach Compensator The perfect addition to your HK VP9/VP40 firearm with our low profile, aggressive Comp Weight™ that flows with the lines of the gun for a seamless addition. Our patent-pending design...HKP-21080-M$149.95 - $199.95 -
HKP Elbow Spring Spacer For Semi-Auto
HKP HK Parts
$8.95HKP Elbow Spring Spacer For Semi-Auto New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto bushing/spacer available on the market.HKP-18210$8.95 -
HKP HK Mark 23 .45 Cal Non-Threaded Compensator
HKP HK Parts
$199.95HKP HK Mark 23 .45 Cal Non-Threaded Compensator The HK Parts mark 23 compensator will add a sleek and tactical look to your MK23. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...HKP-20821$199.95 -
HKP HK MP5 Binary SL Selectors
HKP HK Parts
$69.95HKP HK MP5 Binary SL Selectors: Our selectors were made to work specifically with the Magpul SL housing in conjunction with the popular Franklin Armory Binary trigger pack. We aimed to keep the same aesthetics as our SEF style binary selector levers but...HKP-21438$69.95 -
Sale
HKP HK Push Pin Navy Binary Trigger Group - Engraved - RAL 8K - BLEMISHED
FA Franklin Armory / HKP
Now: $799.95Was: $1,499.95Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K HK Push Pin Navy PLEASE NOTE: SOLD AS-IS DUE TO THE PICTOGRAM PAINT BEING BLEMISHED - SEE PHOTOS. 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest...HKP-21292-BNow: $799.95Was: $1,499.95 -
HKP HK UMP (.40 S&W) 15 Round Magazine
HKP HK Parts
$49.95UMP, SMG .40 Cal 15 Round Magazine - US Each ultra compact 15 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliberP conversions. Each magazine features, steel feed lips, enhanced polymer contruction and all...HKP-17584$49.95 -
Out Of Stock
HKP HK VP9/VP9SK, HK VP40 Quick Detach Hex Button Slide Plate - Blue
HKP HK Parts
$34.95HKP HK VP9/VP9SK, HK VP40 Quick Detach Hex Button Slide Plate - Blue The HK Parts quick-detach slide plate for the HK VP series of pistols is ideal for those that want the ability of quickly and efficiently access the firing pin, sleeve assembly. The...HKP-19061$34.95 -
HKP MP5 AR Stock, Brace Adapter - QD
HKP HK Parts
$159.95HK MP5, HK93 Style AR, M4 Stock & Brace Adapter With QD Sling Attachment Point Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points. Properly buffered with factory correct...HKP-18788$159.95 -
HKP Zenith 9mm US Made Trigger Pack with Flat Trigger - 4 U.S. 922 Parts
HKP HK Parts
$299.95HKP Zenith 9mm US Made Trigger Pack With Flat Trigger Semi auto trigger pack complete with flat trigger installed. Completely assembled & ready to drop in. The remaining parts are all German HK Or US made parts to make up the rest of the...HKP-18513$299.95 -
Meprolight HK VP9/45/P30 Tru-Dot Front Night Sight
Meprolight
$45.95Meprolight HK VP9/45/P30 Tru-Dot Front Night Sight Bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same...HKP-16588$45.95 -
Omega HK UMP .45 ACP Barrel - 3-Lug
OMEGA
$449.95Omega HK UMP .45 ACP Barrel - 3-Lug This is the newest barrel for the UMP to hit the market that will come with a removable 3-lug adapter. The 3-lug adapter will be the same spec as the MP5 3 lug, making your UMP more versatile when it comes down to...HKP-21070$449.95 -
PTR HK 91/G3 (7.62x51/.308) Extractor
PTR
$30.99PTR HK 91/G3 (7.62x51/.308) Extractor US Made by PTR. Made from stainless steel. Compatible With: HK G3 PTR 7.62 X 51mm modelsHKP-16222$30.99 -
PTR HK MP5 & 93/53/33 (9mm & 5.56/.223) 2 Position (S,F Pictogram) Grip Frame Housing - Clipped & Pinned
PTR
$99.95PTR HK MP5 & 93/53/33 (9mm & 5.56/.223) 2 Position (S,F Pictogram) Grip Frame Housing - Clipped & Pinned This is made by PTR-91 to exact HK specs. These housings come clipped and ready for the semi-auto shelf. This HK aftermarket trigger...HKP-00840$99.95 -
PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw
PTR
$4.95PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.HKP-16743$4.95 -
RCM MP5K/SP89 9mm Locking Piece - 110 Degree
RCM
$33.95MP5K, SP89 Locking Piece - 110 Degree - RCM US-Made Locking Piece. Made from ordnance grade steel, heat treated, and made to last by RCM. HK no longer makes the 110-degree locking piece as they use the 100-degree locking piece in all 9mm MP5 and MP5K...HKP-01465$33.95 -
Talon Grip HK P30 Granulate - Large - Black
Talon Grip
$19.99TALON Grip - H&K P30 - Granulate Black - Large 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...HKP-20251$19.99 -
Trijicon HK VP9/P30/45 RMR Pistol Mount - Black
Trijicon
$124.95Trijicon HK VP9/P30/45 RMR Pistol Mount - Black Trijicon manufactured RMR mount to allow the use of an RMR to replace the rear sight on HK pistols. Compatible With: HK VP9, VP9SK, VP40 ( excludes VP9 optic ready slides) HK45, HK45 Tactical HK45C,...HKP-17336$124.95