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 HK MR556/MR223 A5 Incomplete Upper Receiver - Black
H&K Heckler & Koch
$0.00HK German Un-Assembled/Stripped HK MR556/MR223 A5 Upper Receiver Factory HK MR556 A5 upper receiver. This is the semi-auto MR556 variant. Compatible With: HK MR556 HK MR223 HK 416*** Need a matching lower for your build? STS416 A5 LOWER -...HKP-18785$0.00 -
H&K HK SL8 Adjustable Buttstock Piece - Gray
H&K Heckler & Koch
$29.95HK SL8 Adjustable Buttstock Piece Gray in ColorHKP-16995$29.95 -
H&K HK SL8 Adjustable Buttstock Piece - Used - Black
H&K Heckler & Koch
$19.95H&K HK SL8 Adjustable Buttstock Piece - Used - BlackHKP-20052$19.95 -
H&K HK SL8 Trigger - Used
H&K Heckler & Koch
$19.95HK SL8 Trigger - Used Compatible With: HK G36 HK SL8 HK UMP HK USCHKP-01896$19.95 -
H&K HK SL8 Windage Adjustment Spring
H&K Heckler & Koch
$4.95HK SL8 Windage Adjustment Compression SpringHKP-16400$4.95 -
H&K HK SL8, HK G36 Magazine Release Spring
H&K Heckler & Koch
$9.95HK German G36 & SL8 Magazine Release Spring A must have spare part. Compatible With: G36 SL8HKP-16344$9.95 -
Out Of Stock
$8.95 -
Out Of Stock
H&K HK SL8-1 Complete Locking Lever
H&K Heckler & Koch
$0.00H&K HK SL8-1 Complete Locking LeverHKP-16375$0.00 -
$9.95 -
H&K HK SL8-1 Incomplete Front Sight Holder
H&K Heckler & Koch
$34.95H&K HK SL8-1 Incomplete Front Sight HolderHKP-16358$34.95 -
Out Of Stock
$0.00 -
$89.99 -
H&K HK33 / HK93 Slimline Forearm - FDE
H&K Heckler & Koch
$69.95H&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 -
H&K HK33 A3 German Parts Kit - Used
H&K Heckler & Koch
$4,499.00HK33 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 -
Out Of Stock
H&K HK33A2 Parts Kit-Used
H&K Heckler & Koch
$0.00HK33 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 -
Out Of Stock
H&K HK416, MR556 Ejection Port Cover - FDE
H&K Heckler & Koch
$0.00HK 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 -
H&K HK53 A3 German Parts Kit - Used
H&K Heckler & Koch
$7,499.95HK German HK53 A3 Factory Parts Kit Complete Minus The De-milled Receiver Includes: HK German desirable 1/7 twist factory cold hammer forged barrel HK ambidextrous 2 round burst trigger group Factory HK 53 wide forearm 4 prong factory flash hider A3...HKP-20729$7,499.95 -
Out Of Stock
H&K MP5 & 93/33 (9mm & 5.56/.223) 2 Position (0,1 Pictogram) FBI Style Trigger Housing
H&K Heckler & Koch
$0.00H&K MP5 & 93/33 (9mm & 5.56/.223) 2 Position (0,1 Pictogram) FBI Style Trigger Housing This ambidextrous housing is designed for compatibility with any ambidextrous style trigger packs. It features a 2 position pictogram (0,1) and is crafted...HKP-00163$0.00 -
Out Of Stock
H&K MP5 & 93/33 (9mm & 5.56/.223) Unmarked Ambidextrous Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K MP5 & 93/33 (9mm & 5.56/.223) Unmarked Ambidextrous Housing - Clipped & Pinned This ambidextrous lower housing is designed specifically for use with MP5, HK33, and HK93 trigger packs. Featuring a clean, unmarked exterior, it offers a...HKP-15303$0.00 -
Out Of Stock
H&K MP5 & 93/53/33 (9mm & 5.56/.223) 4 Position (0,1,3,F Pictogram) Grip Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K MP5 & 93/53/33 (9mm & 5.56/.223) 4 Position (0,1,3,F Pictogram) Grip Housing - Clipped & Pinned This new HK German grip housing features 4 position pictogram (0,1,3,F). It is clipped and pinned, designed for use with HK MP5/94 or...HKP-00161$0.00 -
Out Of Stock
H&K MP5 & 93/53/33 (9mm, 5.56/.223) 4 Position (0,1,3,F Pictogram) Grip Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5 & 93/53/33 (9mm, 5.56/.223) 4 Position (0,1,3,F Pictogram) Grip Housing - Push Pin This HK German grip housing is designed for push pin type receivers. This housing is not clipped & pinned, coming exactly as it was manufactured by HK...HKP-02240$0.00 -
Out Of Stock
H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned Introducing the new 3 Position trigger housing, designed for versatility and performance across multiple applications...HKP-19712$0.00 -
Out Of Stock
H&K MP5/SP5, 93/33, G3/91 (9mm, 5.56/.223, 7.62/.308) Unmarked Ambidextrous Housing - Universal
H&K Heckler & Koch
$0.00H&K MP5/SP5, 93/33, G3/91 (9mm, 5.56/.223, 7.62/.308) Unmarked Ambidextrous Housing - Universal This unmarked universal ambidextrous lower housing is designed for use with ambidextrous trigger packs, offering versatility across multiple H&K...HKP-19854$0.00 -
Out Of Stock
H&K MR556/416 Extended Windowed Handguard - RAL 8K
H&K Heckler & Koch
$0.00HK416A5, MR556 Extended Windowed Handguard - RAL 8000 HK German HK416A5 Extended forearm with window for use of the suppressed/non-suppressed gas block. This handguard is designed to minimize mirage and the utmost in performance. 14 7/8" long overall 1...HKP-17711$0.00 -
Sale
H&K MR556/416 Handguard Picatinny Quad Rail - FDE - BLEMISHED
H&K Heckler & Koch
Now: $299.95Was: $549.95H&K MR556/416 Handguard Picatinny Quad Rail - FDE - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Handguard with Picatinny Quad Rail profile on 3,...HKP-18553-BNow: $299.95Was: $549.95 -
Out Of Stock
H&K SL8 Original Sight Rail - Used
H&K Heckler & Koch
$0.00Heckler and Koch Genuine German Factory Parts - SL8 Original Sight Rail with Removable and Adjustable Front and Rear Sights.Does not include the mounting hardware! Used take off's.HKP-00964$0.00 -
H&L HK G36, HK SL8 Roll Pin for Gas Piston - Black
H&K Heckler & Koch
$9.95H&L HK G36, HK SL8 Roll Pin for Gas Piston - BlackHKP-16386$9.95 -
Out Of Stock
H&L HK SL8 Stock Spacer - Gray
H&K Heckler & Koch
$0.00HK SL8 Stock SpacerHK German SL8 stock spacer. These stackable spacers will allow the user to gain extra length of pull for the desired length on the SL8 factory stock. Spacer fits all SL8 rifles including the new all black SL8-6 rifles.HKP-18054$0.00 -
Out Of Stock
HK G36E Barrel
USA
$499.95Barrel - USA - HK G36E Brand new HK G36E barrel. Specifications: Barrel length 19"HKP-19273$499.95 -
$19.95 -
Out Of Stock
HKP 93/53/33 (5.56/.223) Trigger Group - 3 Position Housing 0,1 - Safe, Semi Only
HKP HK Parts
$419.95HK 93, 33, 53 Trigger Group 3 Position Navy Housing 0,1- Safe, Semi Only Finally a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK housing. Now for the...HKP-17244$419.95 -
Out Of Stock
HKP 93/53/33 (5.56/.223) Trigger Group - 4 Position Housing 0,1 - Safe, Semi Only
HKP HK Parts
$419.95HK 93, 33, 53 Trigger Group 4 Position Housing 0,1- Safe, Semi Only Introducing an affordable alternative to the high-cost and hard-to-find all-German HK FBI or 0,1 ambidextrous trigger group, now available in a 4-position factory German HK housing. For...HKP-17245$419.95 -
Out Of Stock
HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K
HKP HK Parts
$39.95HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K Compatible With: MR556 & 416 MR762 & 417HKP-17832$39.95 -
HKP HK MP5, 94, 93/53/33 AR-15 Style Magpul Stock
HKP HK Parts
$197.95HKP HK 93/53/33 (5.56/.223) AR-15 Style Magpul Stock US Manufactured AR15 to HK 93,33,53 series stock assembly with Magpul MOE stock. Each unit comes complete and ready to install on your HK 93,33,53 or HK94, MP5 firearm. Made from aircraft grade...HKP-16271$197.95 -
Out Of Stock
HKP HK MR556/416 10.4" 5.56 Barrel
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK 416 style upper...HKP-18200$369.95 -
Out Of Stock
HKP HK MR556/416 9" HK416C Style Barrel Conversion Kit
HKP HK Parts
$0.00MR556 & HK416 Barrel Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the origional, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or...HKP-18401$0.00 -
Out Of Stock
HKP HK MR556/416 DMR Extended 15" M-LOK Handguard - Black
HKP HK Parts
$249.95HK MR556 & HK416 Extended DMR 15" Handguard - M-LOK A drop on replacement forearm for the HK MR556 and HK 416. A perfect upgrade for your HK rifle. This rail also provides an additional 6" of rail length for more flexibility and great control.HKP-18019$249.95 -
Out Of Stock
HKP HK MR556/416 DMR Extended 15" Quad Rail - Black
HKP HK Parts
$259.95HK MR556 & HK416 DMR Length 15" Quad Rail - ExtendedHKP-18018$259.95 -
Out Of Stock
HKP HK MR556/416 Titanium Firing Pin Catch
HKP HK Parts
$49.95HK MR556 & HK416 Firing Pin - TitaniumGrade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK MR556 & HK 416 weapon system. Get the...HKP-17767$49.95 -
Out Of Stock
HKP HK MR556/416 Upper 9" 416C Style Conversion Kit
HKP HK Parts
$899.95MR556 & HK416 Upper Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18674$899.95