All Parts

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 HK MR556/416 Bolt Catch H&K HK MR556/416 Bolt Catch

    H&K HK MR556/416 Bolt Catch

    H&K Heckler & Koch

    $69.95
    HK MR556 & 416 Bolt Catch New HK German manufacture.  Compatible With: HK 416 HK MR556
    HKP-02542
    $69.95
    Qty in Cart: 0
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    $69.95
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  • Out Of Stock
    H&K HK USP 9mm / .40 S&W Magazine Loader - Black

    H&K HK USP 9mm / .40 S&W Magazine Loader - Black

    H&K Heckler & Koch

    $24.95
    H&K HK USP 9mm / .40 S&W Magazine Loader - Black Factory new Heckler & Koch. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .357 SIG   Please Note: This does not fit USP .45 magazines.
    HKP-01165
    $24.95
    Qty in Cart: 0
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    $24.95
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  • On Sale
    HKP 9mm Micro Comp - Threaded 1/2x28

    HKP 9mm Micro Comp - Threaded 1/2x28

    HKP HK Parts

    Now: $39.95
    Was: $49.95
    HKP 9mm Micro Comp - Threaded 1/2x28 RH   Enhance your 9mm pistol with this precision-engineered Micro Compensator. Threaded 1/2x28, this micro comp is designed to reduce recoil and muzzle rise, improving your shooting accuracy and control. Its...
    HKP-18029
    Now: $39.95
    Was: $49.95
    Qty in Cart: 0
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    Now: $39.95
    Was: $49.95
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  • HKP G3/33/91/93 Bipod Replacement Feet Set - Steel HKP G3/33/91/93 Bipod Replacement Feet Set - Steel

    HKP G3/33/91/93 Bipod Replacement Feet Set - Steel

    HKP HK Parts

    $18.95
    HKP G3/33/91/93 Bipod Replacement Feet - Set of Two (2) Replacement feet set for original H&K bipods.  Our replacement feet are suitable to replace both steel and plastic feet in factory HK bipods. Each kit includes a left and right bipod foot...
    HKP-21310
    $18.95
    Qty in Cart: 0
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    $18.95
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  • HKP HK MR556/416 Buffer Tube Wrench HKP HK MR556/416 Buffer Tube Wrench

    HKP HK MR556/416 Buffer Tube Wrench

    HKP HK Parts

    $29.95
    HK MR556 & HK416 Buffer Tube Wrench The perfect metric wrench to remove and install the MR556 & HK 416 castle nuts on the buffer tube. A perfect addition to have on hand for OTB or other HK buffer tube upgrades, etc. Made from all steel, heat...
    HKP-17124
    $29.95
    Qty in Cart: 0
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    $29.95
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  • HKP HK UMP, G36 3 Position Selector - Right HKP HK UMP, G36 3 Position Selector - Right

    HKP HK UMP, G36 3 Position Selector - Right

    HKP HK Parts

    $8.95
    HKP HK UMP, G36 3 Position Selector - Right HK UMP & G36 right safety selector lever for all 3 position HK UMP & G36 lowers only.
    HKP-20179
    $8.95
    Qty in Cart: 0
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    $8.95
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  • HKP HK VP9/VP9SK, HK VP40 Axle For Trigger Safety Latch

    HKP HK VP9/VP9SK, HK VP40 Axle For Trigger Safety Latch

    HKP HK Parts

    $3.95
    Axle For Trigger Safety Latch VP9, VP9SK & VP40 HK German factory part. This pin is the axle pin for the safety latch in the VP trigger. Compatible With: HK VP9 HK VP9 Tactical HK VP40 HK VP40 Tactical HK VP9SK
    HKP-16778
    $3.95
    Qty in Cart: 0
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    $3.95
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  • HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    HKP HK Parts

    $19.95
    HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must have item to protect your threaded barrels & exposed...
    HKP-19514
    $19.95
    Qty in Cart: 0
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    $19.95
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  • Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green

    Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green

    Michaels Machines

    $199.95
    Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green US Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad in OD Green. Just add your buffer & backplate and you are good to go. Great...
    HKP-19041
    $199.95
    Qty in Cart: 0
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    $199.95
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  • PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly

    PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly

    PTR

    $274.95
    PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use The popular Magpul commercial Moe...
    HKP-15614
    $274.95
    Qty in Cart: 0
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    $274.95
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  • B&T MP5SD 9mm Tri- Rail Mount For Suppressor B&T MP5SD 9mm Tri- Rail Mount For Suppressor

    B&T MP5SD 9mm Tri- Rail Mount For Suppressor

    B&T Brugger & Thomet

    $158.95
    B&T MP5SD 9mm Tri- Rail Mount for Suppressor Can accommodate suppressors up to 1.60 inches in overall diameter. Specifications: Color: Black Diameter max: 57.5 mm Length max: 44.5 mm Length of right rail: 30 mm Length of left rail: 30 mm Length of...
    HKP-16880
    $158.95
    Qty in Cart: 0
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    $158.95
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  • Comp-Tac HK VP9, HK P30, HK P2000/P2000SK, USPC 9mm/.40 Single Magazine Pouch - PLM Comp-Tac HK VP9, HK P30, HK P2000/P2000SK, USPC 9mm/.40 Single Magazine Pouch - PLM

    Comp-Tac HK VP9, HK P30, HK P2000/P2000SK, USPC 9mm/.40 Single Magazine Pouch - PLM

    Comp-Tac

    $39.95
    Single Magazine Pouch - PLM - VP9, P2000, USPC The Single Magazine Pouch - PLM is an all Kydex® magazine pouch which gives a smooth friction free surface perfect for a quick reload. The Single Magazine Pouch- PLM attaches to the belt with a...
    HKP-19866
    $39.95
    Qty in Cart: 0
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    $39.95
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  • Comp-Tac HK VP9SK DCH Comp Carry Holster Comp-Tac HK VP9SK DCH Comp Carry Holster

    Comp-Tac HK VP9SK DCH Comp Carry Holster

    Comp-Tac

    $79.95
    Comp-Tac HK VP9SK DCH Comp Carry Holster The dual concealment holster, or the "DCH", is the best solution for users who need versatility in their carry methods. This holster offers both IWB (inside-the-waistband) and OWB (outside-the-waistband) options...
    HKP-20072-M
    $79.95
    Qty in Cart: 0
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    $79.95
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  • H&K HK 416 Commercial Factory E1 Rear Stock - Black H&K HK 416 Commercial Factory E1 Rear Stock - Black

    H&K HK 416 Commercial Factory E1 Rear Stock - Black

    H&K Heckler & Koch

    $249.95
    H&K HK 416 Commercial Factory E1 Rear Stock - Black HK 416 factory German E1 Rear Stock latest HK German stock for all HK 416/MR556 rifles. This HK 416 HKE1 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons. NO...
    HKP-15426
    $249.95
    Qty in Cart: 0
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    $249.95
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  • H&K HK G28 Extended Buffer Tube Castle Nut - Black

    H&K HK G28 Extended Buffer Tube Castle Nut - Black

    H&K Heckler & Koch

    $79.95
    HK G28 Buffer Tube Castle Nut- Black New HK German G28 castle nut for the HK MR762, HK417 & G28 models. Black in color. This is the proper part for use with the G28 buffer tube and stock upgrades. Compatible With: HK MR762 HK 417 HK G28 DMR
    HKP-16763
    $79.95
    Qty in Cart: 0
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    $79.95
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  • Out Of Stock
    H&K HK P7 PSP/P7M8 Magazine Floorplate H&K HK P7 PSP/P7M8 Magazine Floorplate

    H&K HK P7 PSP/P7M8 Magazine Floorplate

    H&K Heckler & Koch

    $11.95
    HK P7 PSP/P7M8 Magazine Floorplate New HK German manufacture. Compatible With: PSP P7M8
    HKP-01330
    $11.95
    Qty in Cart: 0
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    $11.95
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  • H&K MP5 A3 Stock - Surplus - Good Condition H&K MP5 A3 Stock - Surplus - Good Condition

    H&K MP5 A3 Stock - Surplus - Good Condition

    H&K Heckler & Koch

    $578.95
    Military German manufactured A3 Retractable Stock - Used Each Used German HK stock will vary from Fair-Good Shape (early 80's manufacture) A one time offering of some well used German military stocks that need some TLC and a refinish to get them looking...
    HKP-16659
    $578.95
    Qty in Cart: 0
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    $578.95
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  • H&K UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever H&K UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever

    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever

    H&K Heckler & Koch

    $39.95
    HK German UMP & USC Ejector Lever - German New HK German OEM part. Each unit fits all calibers of UMP & USC firearms. A great spare to have on hand as they are prone to shearing off with use and must be replaced. Compatible With: UMP .45 UMP ...
    HKP-00263
    $39.95
    Qty in Cart: 0
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    $39.95
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  • Modular Folding Stock System - HK MP5, SP5 Modular Folding Stock System - HK MP5, SP5

    Modular Folding Stock System - HK MP5, SP5

    F5 MFG

    $449.95
    Modular Folding Stock System - HK MP5 The telescoping, left side-folding polymer stock is fully adjustable for comb height and length of pull, making it a versatile option for the most advanced applications. Features: MP5 adapter machined from 6061...
    HKP-19484
    $449.95
    Qty in Cart: 0
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    $449.95
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  • PTR PDW (7.62x39) & (7.62x51/.308) Fixed Stock PTR PDW (7.62x39) & (7.62x51/.308) Fixed Stock

    PTR PDW (7.62x39) & (7.62x51/.308) Fixed Stock

    PTR

    $299.95
    PTR PDW (7.62x39) & (7.62x51/.308) Fixed Stock Each stock is new and a product of the finest U.S Made (PTR-91 Manufactured) & German HK Made parts. This stock also counts as one U.S. compliant part for 922r compliance. Perfect for those that have...
    HKP-02408
    $299.95
    Qty in Cart: 0
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    $299.95
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  • Trijicon HK USP Night Sight Set Trijicon HK USP Night Sight Set

    Trijicon HK USP Night Sight Set

    Trijicon

    $127.95
    Trijicon - Tritium Night Sight, Fits HK USP, Green/Green, 3 Dot Trijicon Bright & Tough Night Sights are 3 dot iron sights that increase night fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so...
    HKP-01609
    $127.95
    Qty in Cart: 0
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    $127.95
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  • Comp-Tac HK P30/45 Infidel Ultra Max RH Holster - Black Comp-Tac HK P30/45 Infidel Ultra Max RH Holster - Black

    Comp-Tac HK P30/45 Infidel Ultra Max RH Holster - Black

    Comp-Tac

    $93.95
    Comp-Tac HK P30/45 Infidel Ultra Max RH Holster - Black The Infidel Ultra Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster is a perfect easy...
    HKP-17490
    $93.95
    Qty in Cart: 0
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    $93.95
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  • Comp-Tac HK VP9 Tri-Mag Pouch - RH - Size 23 Comp-Tac HK VP9 Tri-Mag Pouch - RH - Size 23

    Comp-Tac HK VP9 Tri-Mag Pouch - RH - Size 23

    Comp-Tac

    $82.95
    Tri-Mag Pouch - RH- VP9 - Size 23 The shooter's workspace is vital during a reload. Whether in competition, training or critical incident, the Comp-Tac® Tri-Mag is built to shave seconds off reload time. The clean, comfortable design is a simple way...
    HKP-20399
    $82.95
    Qty in Cart: 0
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    $82.95
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  • H&K 91/G3 (7.62x51/.308) 20 Round Magazines - Shooter Value - 36 Pack - Alloy H&K 91/G3 (7.62x51/.308) 20 Round Magazines - Shooter Value - 36 Pack - Alloy

    H&K 91/G3 (7.62x51/.308) 20 Round Magazines - Shooter Value - 36 Pack - Alloy

    H&K Heckler & Koch

    $244.95
    HK 91, G3, PTR Shooter Pack - 36 Pack of 20 Round Alloy Magazines Compatible With: HK G3 HK91 PTR Century Arms C308 SAR8, CETME Custom HK .308 clones or custom builds
    HKP-16905
    $244.95
    Qty in Cart: 0
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    $244.95
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  • H&K 91/G3 (7.62x51/.308) Wood Stock w/ Enhanced Buffer Installed H&K 91/G3 (7.62x51/.308) Wood Stock w/ Enhanced Buffer Installed

    H&K 91/G3 (7.62x51/.308) Wood Stock w/ Enhanced Buffer Installed

    H&K Heckler & Koch

    $229.95
    HK German G3, 91, PTR Wood Stock With- Enhanced DMR Buffer Installed Each stock includes: Metal Backplate With Recoil Spring Installed Modified by our HK gunsmith and an enhanced heavy buffer has been installed Heavy Buffer Assembly Complete Wood Stock...
    HKP-16697
    $229.95
    Qty in Cart: 0
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    $229.95
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  • H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Battleship Gray H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Battleship Gray

    H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Battleship Gray

    H&K Heckler & Koch

    $99.95
    New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine  - Battleship Gray Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are...
    HKP-19979
    $99.95
    Qty in Cart: 0
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    $99.95
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  • H&K HK 45/P30/P2000/USPC Recoil Spring Washer Retainer

    H&K HK 45/P30/P2000/USPC Recoil Spring Washer Retainer

    H&K Heckler & Koch

    $4.95
    HK 45, P30, P2000, & USPC Recoil Spring Washer Retainer This disk supports and keeps the recoil spring centered and captive on the recoil rod itself.  Compatible With: HK45, HK45 Tactical HK45 Compact, HK45 Compact Tactical USP Compact, USP...
    HKP-02428
    $4.95
    Qty in Cart: 0
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    $4.95
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  • H&K HK USP Full Size 9mm/.40 S&W Floor Plate H&K HK USP Full Size 9mm/.40 S&W Floor Plate

    H&K HK USP Full Size 9mm/.40 S&W Floor Plate

    H&K Heckler & Koch

    $8.95
    HK USP Full Size 9mm/.40 S&W Floor Plate Compatible With: HK USP 9mm 15-Round Magazine HK USP 40 S&W 13-Round Magazine
    HKP-01438
    $8.95
    Qty in Cart: 0
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    $8.95
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  • H&K HK USP/45/45C Trigger Bar Detent Spring

    H&K HK USP/45/45C Trigger Bar Detent Spring

    H&K Heckler & Koch

    $9.95
    H&K HK USP/45/45C Trigger Bar Detent Spring This is a common replacement part as it can become worn or lost.  Compatible With The Newer Style HK45 & HK45C Models: HK45, HK45 Tactical HK45C, HK45C Tactical Compatible With The HK USP...
    HKP-01254
    $9.95
    Qty in Cart: 0
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    $9.95
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  • H&K HK USPC/45/45C Magazine Follower - Black

    H&K HK USPC/45/45C Magazine Follower - Black

    H&K Heckler & Koch

    $9.95
    HK 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
    Qty in Cart: 0
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    $9.95
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  • H&K Leather Sling - Used H&K Leather Sling - Used

    H&K Leather Sling - Used

    H&K Heckler & Koch

    $49.95
    Original Surplus German HK Leather 2 point sling Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in excellent shape overall. Made with leather straps and steel hardware and HK sling hook.  Compatible With: HK91 G3 ...
    HKP-16316
    $49.95
    Qty in Cart: 0
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    $49.95
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  • HK .45 ACP Barrel Bore Cleaning Brush

    HK .45 ACP Barrel Bore Cleaning Brush

    USA

    $1.95
    HK .45 ACP Barrel Bore Cleaning 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...
    HKP-02757
    $1.95
    Qty in Cart: 0
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    $1.95
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  • HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear

    HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear

    HKP HK Parts

    $49.95
    Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made 922r compliant part. 100% USA...
    HKP-01847
    $49.95
    Qty in Cart: 0
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    $49.95
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  • HKP MP5F & MP5 40,10 Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced HKP MP5F & MP5 40,10 Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced

    HKP MP5F & MP5 40,10 Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced

    HKP HK Parts

    $3.95
    HKP MP5F & MP5 40,10 Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced New Enhanced material for greater longevity and durability Our US made recoil rod guides are the made from the strongest most durable material available much better than...
    HKP-17835
    $3.95
    Qty in Cart: 0
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    $3.95
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  • HKP MP5K/SP89/SP5K 9mm End Cap - HK Style HKP MP5K/SP89/SP5K 9mm End Cap - HK Style

    HKP MP5K/SP89/SP5K 9mm End Cap - HK Style

    HKP HK Parts

    $64.95
    HKP MP5K/SP89/SP5K 9mm End Cap - HK Style This end cap is an identical reproduction of the factory end cap and features the original HK style buffer. Compatible With: MP5K SP5K SP89 In spec. clones and custom builds
    HKP-16135
    $64.95
    Qty in Cart: 0
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    $64.95
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  • Comp-Tac HK VP9L/VP9 Match International Button Comp Carry Holster Comp-Tac HK VP9L/VP9 Match International Button Comp Carry Holster

    Comp-Tac HK VP9L/VP9 Match International Button Comp Carry Holster

    Comp-Tac

    $79.95
    Comp-Tac HK VP9L/VP9 Match International Button Comp Carry Holster At last a custom made Comp-Tac international OWB holster for your HK pistol that allows you to have the rail mount compensator, comp weight, or match weight installed. Manufactured by...
    HKP-20114-M
    $79.95
    Qty in Cart: 0
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    $79.95
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  • GSG9 HK G36C Gas Piston Rod Spring Assembly - Black GSG9 HK G36C Gas Piston Rod Spring Assembly - Black

    GSG9 HK G36C Gas Piston Rod Spring Assembly - Black

    GSG9

    $82.95
    HK German G36C Gas Piston Rod & Spring Assembly Complete A must have item for HK G36C conversions from SL8's or for spares for your G36C MG. A high wear and replacement part and a must have for spare parts.
    HKP-18250
    $82.95
    Qty in Cart: 0
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    $82.95
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  • H&K 31 Round HK USP 9mm Tactical Magazine H&K 31 Round HK USP 9mm Tactical Magazine

    H&K 31 Round HK USP 9mm Tactical Magazine

    H&K Heckler & Koch

    $149.00
    H&K 31 Round HK USP 9mm Tactical Magazine  HK German manufactured for the USP 9mm full-size pistol. Holds 31 rounds of 9mm ammunition.  Compatible With: HK USP 9mm full-size Variants HK USP .40 (reduced capacity vs 9mm) Will NOT work in...
    HKP-00302-M
    $149.00
    Qty in Cart: 0
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    $149.00
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  • H&K 33, 93 - Rear Sight Assembly Complete

    H&K 33, 93 - Rear Sight Assembly Complete

    H&K Heckler & Koch

    $39.95
    HK 93 & HK33 Rear Sight Assembly Complete - Used This is the complete assembly as it comes from HK for a 556/223 firearm.
    HKP-00706
    $39.95
    Qty in Cart: 0
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    $39.95
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