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 SL8 Trigger - Used H&K HK SL8 Trigger - Used

    H&K HK SL8 Trigger - Used

    H&K Heckler & Koch

    $19.95
    HK SL8 Trigger - Used Compatible With: HK G36 HK SL8 HK UMP HK USC
    HKP-01896
    $19.95
    Qty in Cart: 0
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    $19.95
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  • Out Of Stock
    H&K HK SL8-1 Complete Locking Lever H&K HK SL8-1 Complete Locking Lever

    H&K HK SL8-1 Complete Locking Lever

    H&K Heckler & Koch

    $0.00
    H&K HK SL8-1 Complete Locking Lever
    HKP-16375
    $0.00
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    H&K HK SL8-1 Rear Sight H&K HK SL8-1 Rear Sight

    H&K HK SL8-1 Rear Sight

    H&K Heckler & Koch

    $0.00
    H&K HK SL8-1 Rear Sight
    HKP-16374
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K HK UMP .45 Conversion Kit H&K HK UMP .45 Conversion Kit

    H&K HK UMP .45 Conversion Kit

    $1,099.95
    H&K HK UMP .45 Conversion Kit This kit optimizes the UMP platform by allowing the user swap between calibers in approximately 5 minutes. The Michael's machine semi-auto bolt pairs perfectly with the TPM and Gideon Shadow receivers as well as USC to...
    HKP-20623
    $1,099.95
    Qty in Cart: 0
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    $1,099.95
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  • Out Of Stock
    H&K HK UMP Demilled Extended Rear Receiver Section H&K HK UMP Demilled Extended Rear Receiver Section

    H&K HK UMP Demilled Extended Rear Receiver Section

    H&K Heckler & Koch

    $0.00
    HK German Factory UMP  Receiver Section - ExtendedThis is a demilled factory HK UMP rear receiver section that is perfect for the new Tom Bostic USC-UMP conversions. This section is the perfect length in order to do the USC/UMP conversion. Just in only...
    HKP-19798
    $0.00
    Qty in Cart: 0
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  • H&K HK USC 45 Barrel - Used H&K HK USC 45 Barrel - Used

    H&K HK USC 45 Barrel - Used

    H&K Heckler & Koch

    $695.95
    Barrel - HK USC 45 in Exc + shape HK German factory USC 45 barrel in excellent + condition. Rare and hard to find. 
    HKP-20471
    $695.95
    Qty in Cart: 0
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    $695.95
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  • Out Of Stock
    H&K HK USC, UMP German Polymer Receiver Optic Rail H&K HK USC, UMP German Polymer Receiver Optic Rail

    H&K HK USC, UMP German Polymer Receiver Optic Rail

    H&K Heckler & Koch

    $0.00
    H&K HK USC, UMP German Polymer Receiver Optic Rail German HK USC, UMP polymer top Receiver Rail with mounting hardware. Includes: Factory HK rail 2 mounting screws Compatible With: HK German spec UMP USC upper receivers
    HKP-19616
    $0.00
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    H&K HK USP .45 ACP Barrel - Match - Black H&K HK USP .45 ACP Barrel - Match - Black

    H&K HK USP .45 ACP Barrel - Match - Black

    H&K Heckler & Koch

    $0.00
    H&K HK USP .45 ACP Barrel - Match - Black The real deal factory HK Match barrel. This barrel will fit all HK USP .45 full size models. If you want a longer barrel for your HK USP 45 or USP 45 Tactical this is a great option for an extended length or...
    HKP-17508
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K HK USP .45 ACP Recoil Rod H&K HK USP .45 ACP Recoil Rod

    H&K HK USP .45 ACP Recoil Rod

    H&K Heckler & Koch

    $29.95
    H&K HK USP .45 ACP Recoil Rod Factory German HK correct Recoil Rod for the HK USP 45 Full Size pistol. Compatible With: HK USP 45 Full Size Pistol
    HKP-16998
    $29.95
    Qty in Cart: 0
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    $29.95
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  • H&K HK USP Buffer Spring Retainer H&K HK USP Buffer Spring Retainer

    H&K HK USP Buffer Spring Retainer

    H&K Heckler & Koch

    $6.95
    H&K HK USP Buffer Spring Retainer Compatible With: HK USP 45 HK USP 40 HK USP 9mm
    HKP-16232
    $6.95
    Qty in Cart: 0
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    $6.95
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  • Out Of Stock
    H&K HK USP New Style Hammer Strut H&K HK USP New Style Hammer Strut

    H&K HK USP New Style Hammer Strut

    H&K Heckler & Koch

    $0.00
    HK USP New Style Hammer Strut Compatible With: HK USP 9mm Full Size HK USP 40 S&W Full Size
    HKP-01661
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K HK USP Old Style Catch H&K HK USP Old Style Catch

    H&K HK USP Old Style Catch

    H&K Heckler & Koch

    $39.95
    HK USP Old Style Catch   Compatible With: HK USP 9mm HK USP 40
    HKP-01932
    $39.95
    Qty in Cart: 0
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    $39.95
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  • H&K HK USP Old Style Incomplete Hammer

    H&K HK USP Old Style Incomplete Hammer

    H&K Heckler & Koch

    $59.95
    HK USP Full Size Incomplete Hammer - Variant 1-4, 9, & 10 This hammer is the same as the complete hammer, only missing the small parts in the hammer. All metal and no rubber, as found on early USP models. Compatible With: HK USP 9mm HK USP 40...
    HKP-01631
    $59.95
    Qty in Cart: 0
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    $59.95
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  • Out Of Stock
    H&K HK USP Rear Sight

    H&K HK USP Rear Sight

    H&K Heckler & Koch

    $0.00
    HK USP Rear Sight Fits all full size USP & USP tactical firearms. Compatible With: HK USP 9mm HK USP .40 Cal HK USP .45 Cal All USP tactical firearms
    HKP-01622
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K HK USP Series Front Sight 7.0mm

    H&K HK USP Series Front Sight 7.0mm

    H&K Heckler & Koch

    $22.95
    HK USP Front Sight 7.00mm Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP HK USP Compact LEM
    HKP-01624
    $22.95
    Qty in Cart: 0
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    $22.95
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  • Out Of Stock
    H&K HK USP Series Old Style Catch

    H&K HK USP Series Old Style Catch

    H&K Heckler & Koch

    $29.95
    H&K HK USP Series Old Style Catch Compatible With: HK USP 9mm HK USP 40 HK USP 45 HK USP Compact 9mm HK USP Compact 40 HK USP Compact 357 HK USP Compact 45 HK USP Compact LEM
    HKP-01176
    $29.95
    Qty in Cart: 0
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    $29.95
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  • Out Of Stock
    H&K HK USP V5/6/7 Incomplete Bobbed Hammer

    H&K HK USP V5/6/7 Incomplete Bobbed Hammer

    H&K Heckler & Koch

    $0.00
    HK USP Bobbed Hammer - Variants 5, 6, & 7 This is an incomplete hammer. That means no springs or pins are included with this item. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP
    HKP-01626
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K HK USP/Tactical .45 ACP Lockout Device Set

    H&K HK USP/Tactical .45 ACP Lockout Device Set

    H&K Heckler & Koch

    $39.95
    HK USP/Tactical .45 ACP Lockout Device Set Compatible With: HK USP .45 USP .45 Tactical full size models
    HKP-01503
    $39.95
    Qty in Cart: 0
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    $39.95
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  • Out Of Stock
    H&K HK USPC .357 SIG Barrel

    H&K HK USPC .357 SIG Barrel

    H&K Heckler & Koch

    $0.00
    HK USP Compact .357 SIG Barrel This barrel is a direct replacement part for all HK USPC .40 or .357 or if you want to convert your .40 USPC to a .357. It comes 3.58" in overall length. 
    HKP-01902
    $0.00
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    H&K HK USPC 9mm 13 Round Magazine Floor Plate w/ Pinky Rest H&K HK USPC 9mm 13 Round Magazine Floor Plate w/ Pinky Rest

    H&K HK USPC 9mm 13 Round Magazine Floor Plate w/ Pinky Rest

    H&K Heckler & Koch

    $0.00
    New HK German Magazine Floorplate With Finger Rest Compatible With: HK USP Compact 9mm 13-round magazine HK P2000 9mm 13-round magazine
    HKP-00969
    $0.00
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    H&K HK USPC Original Style Firing Pin

    H&K HK USPC Original Style Firing Pin

    H&K Heckler & Koch

    $0.00
    HK USP Compact Firing Pin - Original Style Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM
    HKP-01286
    $0.00
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    H&K HK USPC V3 Control Lever H&K HK USPC V3 Control Lever

    H&K HK USPC V3 Control Lever

    H&K Heckler & Koch

    $0.00
    HK USPC V3 Control Lever Compatible With: HK USP Compact 9mm HK USP Compact 357 SIG HK USP Compact 40 S&W HK USP Compact 45 ACP
    HKP-01436
    $0.00
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    H&K HK USPC/P2000 9mm/.40 S&W Titanium Firing Pin

    H&K HK USPC/P2000 9mm/.40 S&W Titanium Firing Pin

    HKP HK Parts

    $49.95
    H&K HK USPC/P2000 9mm/.40 S&W Titanium Firing Pin Latest generation current design USPC/P2000/P2000SK Titanium firing pin. A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in...
    HKP-17810
    $49.95
    Qty in Cart: 0
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    $49.95
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  • H&K HK VP/P30/45 Front Sight 5.9mm - Green H&K HK VP/P30/45 Front Sight 5.9mm - Green

    H&K HK VP/P30/45 Front Sight 5.9mm - Green

    H&K Heckler & Koch

    $49.95
    HK VP, P30, & 45 Front Sight 5.9mm - Green Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C Tactical
    HKP-02370
    $49.95
    Qty in Cart: 0
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    $49.95
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  • H&K HK VP/P30/45 Front Sight 5.9mm - Red

    H&K HK VP/P30/45 Front Sight 5.9mm - Red

    H&K Heckler & Koch

    $54.95
    Red Phosphorescent Front Sight - 5.9mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C Tactical
    HKP-18829
    $54.95
    Qty in Cart: 0
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    $54.95
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  • Out Of Stock
    H&K HK VP9 to HK VP9 Long Slide Conversion Kit - Black H&K HK VP9 to HK VP9 Long Slide Conversion Kit - Black

    H&K HK VP9 to HK VP9 Long Slide Conversion Kit - Black

    H&K Heckler & Koch

    $0.00
    H&K HK VP9 to HK VP9 Long Slide Conversion Kit - Black   Compatible With: HK VP9 Features: Slide assembly with rear serrations, charging supports, and forward serrations / lightening cuts O-ring enhanced barrel, optimized and fit for...
    HKP-19040
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K HK VP9, HK VP40 Locking Block Guide H&K HK VP9, HK VP40 Locking Block Guide

    H&K HK VP9, HK VP40 Locking Block Guide

    H&K Heckler & Koch

    $119.95
    H&K HK VP9, HK VP40 Locking Block Guide Locking Block Guide complete/welded for all VP9 & VP40 frames. Compatible With: HK VP9 HK VP40  
    HKP-16789
    $119.95
    Qty in Cart: 0
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    $119.95
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  • H&K HK VP9SK Locking Block Guide H&K HK VP9SK Locking Block Guide

    H&K HK VP9SK Locking Block Guide

    H&K Heckler & Koch

    $99.95
    H&K HK VP9SK Locking Block Guide Locking block guide complete, welded for frame on all HK VP9SK, VP40SK models. Compatible With: HK VP9SK HK VP40SK Does NOT fit the full size VP models
    HKP-18309
    $99.95
    Qty in Cart: 0
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    $99.95
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  • H&K HK21E/HK23E Rear Sight Base H&K HK21E/HK23E Rear Sight Base

    H&K HK21E/HK23E Rear Sight Base

    H&K Heckler & Koch

    $79.95
    H&K HK21E/HK23E Rear Sight Base Genuine HK German rear site base.  Requires post installation machining to accommodate a scope. Compatible With: HK21E HK23E
    HKP-21508
    $79.95
    Qty in Cart: 0
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    $79.95
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  • H&K HK33 / HK93 Slimline Forearm - FDE H&K HK33 / HK93 Slimline Forearm - FDE

    H&K HK33 / HK93 Slimline Forearm - FDE

    H&K Heckler & Koch

    $69.95
    H&K HK33 / HK93 Slimline Forearm - FDE Cerakoted German military FDE slimline forearm. These forearms started as a G3,HK91 length forearm and was machined to fit the HK 93,33, cleaned up and Cerakoted FDE for the best finish possible. Available...
    HKP-20487
    $69.95
    Qty in Cart: 0
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    $69.95
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  • H&K HK33 A3 German Parts Kit - Used

    H&K HK33 A3 German Parts Kit - Used

    H&K Heckler & Koch

    $4,499.00
    HK33 A3 Parts Kits - Used Surplus Parts kit does not include a receiver Demilled & prepared per BATF specifications. HK 33 parts kit with a rare A3 collapsible stock. 0, 1, 25 factory correct trigger group, wide handguard, HK date-coded barrel, and...
    HKP-20723
    $4,499.00
    Qty in Cart: 0
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    $4,499.00
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  • Out Of Stock
    H&K HK33A2 Parts Kit-Used H&K HK33A2 Parts Kit-Used

    H&K HK33A2 Parts Kit-Used

    H&K Heckler & Koch

    $0.00
    HK33 A2 Parts Kits - Used Surplus Parts kit does not include a receiver Demilled & prepared per BATF specifications.These are the last ones available we are told there will be no more available at this price.HK93 style receiver flats are also...
    HKP-00783
    $0.00
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    H&K HK416, MR556 Ejection Port Cover - FDE H&K HK416, MR556 Ejection Port Cover - FDE

    H&K HK416, MR556 Ejection Port Cover - FDE

    H&K Heckler & Koch

    $0.00
    HK German HK 416, MR556 Ejection Port Cover In RAL7008 -FDE HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556's. This item can also be used on other AR15 style projects to enhance the project with the finest...
    HKP-19450
    $0.00
    Qty in Cart: 0
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    $0.00
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