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 416 Complete Bolt Head
H&K Heckler & Koch
$0.00HK German 416 Bolt Head CompleteNew HK German manufacture for the HK 416 models. Date coded & proof marked and current HK production.HKP-00044$0.00 -
$6.95 -
Out Of Stock
H&K HK 416 H-Key Complete Short Handguard - Black
H&K Heckler & Koch
$0.00Slim line handguard with HKey mounting slots, short.Fits all: HK 416 A5 - 11" HK 416 A5 - 14.5" HK 416 A5 - 16.5" HK 416 A5 - 20"HKP-18611$0.00 -
Out Of Stock
H&K HK 416 H-Key Complete Short Handguard - FDE
H&K Heckler & Koch
$0.00Slim line handguard with HKey mounting slots, short.Fits all: HK 416 A5 - 11" HK 416 A5 - 14.5" HK 416 A5 - 16.5" HK 416 A5 - 20"HKP-18696$0.00 -
Out Of Stock
H&K HK 416 Incomplete Bolt Head
H&K Heckler & Koch
$0.00HK 416 Bolt Head IncompleteNew HK German HK 416 Bolt Head Complete- IncompleteHKP-00046$0.00 -
Out Of Stock
H&K HK 416A5 Stripped Upper Receiver - Black
H&K Heckler & Koch
$0.00HK 416A5 - Stripped Upper Receiver - Black This is the factory correct receiver for a true 416 build as it features the M16 relief cut in the bottom, rear portion of the receiver (shown in last pricture). Compatible With: HK 416 HK MR223 HK MR556 Need...HKP-18786$0.00 -
Out Of Stock
H&K HK 53 Complete Recoil Assembly
H&K Heckler & Koch
$99.95HK German HK53 Recoil Assembly Complete Brand new HK German manufactured. Each unit is made with the finest HK German components and specifications. Each unit will fit factory HK53 firearms or clones that are built to factory specs. Compatible With: HK...HKP-00479$99.95 -
H&K HK 93, HK 33 Super Rare Barrel NIW 1 in 7
H&K Heckler & Koch
$1,999.95Super Rare Barrel - NIW 1 in 7 - HK93, HK33: New HK93/33 NIW 1 in 7 twist (super rare) barrel with long FH pinned by HK to reach the legal 16" barrel length. Factory-installed sight tower with sight/sling eyelets and factory finish. This is the...HKP-19344$1,999.95 -
Out Of Stock
H&K HK 93, HK 33, HK 53, Z43 A2 Fixed Stock - Green
H&K Heckler & Koch
$0.00HK MKE/Zenith HK93,33,53 & Z43 - Fixed Stock - GreenHKP-17965$0.00 -
Out Of Stock
H&K HK 93, HK 53, HK 33 Fixed Stock - Green
H&K Heckler & Koch
$0.00This stock will fit all HK .223 rifles and clones that are made to factory spec.Compatible with: HK 93 HK 53 HK 33 Zenith Z43This is the current production model with the improved buffer. This stock options is getting hard to find as these are no longer...HKP-00473$0.00 -
Out Of Stock
H&K HK 93, HK 53, HK 33K, HK 33 #15 Locking Piece
H&K Heckler & Koch
$0.00The German HK 65 degree angled locking piece was standard on the early HK53 rifles. This locking piece is also used for some custom HK build applications. Also, a great idea to keep a spare on hand. This item is hard to find and no longer offered or...HKP-00480$0.00 -
Out Of Stock
H&K HK 93/53/33 (5.56/.223) Complete Bolt Head
H&K Heckler & Koch
$0.00HK German .223 Bolt Head Latest bolt version direct from Heckler and Koch Germany. Comes complete with: Extractor Extractor Spring 8mm Rollers (x 2) Roller Retainer Plate & Pin Compatible with: HK 93 HK 53 HK 33HKP-00482$0.00 -
H&K HK G36 30 Round Magazine Follower
H&K Heckler & Koch
$9.95H&K HK G36 30 Round Magazine Follower German HK G36 30 round magazine follower. New HK German manufacture.HKP-17338$9.95 -
Out Of Stock
H&K HK G36 Complete 1.5X Single Optic Carrying Handle
H&K Heckler & Koch
$0.00H&K HK G36 Complete 1.5X Single Optic Carrying Handle The 1.5X single optics are quite rare. Mounting hardware sold seperately.HKP-16742$0.00 -
Out Of Stock
H&K HK G36 Complete Bolt Group - Black
H&K Heckler & Koch
$0.00HK G36 Bolt Group New Factory German HK. HK G36 HK G36K HK G36CThis will not work with a HK SL8.HKP-00635$0.00 -
H&K HK G36 Complete Full Auto Slide
H&K Heckler & Koch
$24.95H&K HK G36 Complete Full Auto SlideHKP-16360$24.95 -
Out Of Stock
H&K HK G36 Dual Optic With Carrying Handle - Used
H&K Heckler & Koch
$0.00HK G36, SL8 Dual Optic - Used PD trade in'sFactory HK G36/SL8 dual optic in used condition. This is a one time offering as far as we will not be able to get them again!Fits all: G36 G36K G36C Sl8-1, Sl8-4 & Sl8-6 models.HKP-00744$0.00 -
H&K HK G36 German Brass Catcher - OD Green
H&K Heckler & Koch
$749.95H&K HK G36 German Brass Catcher - OD Green Brass catcher (capacity of approx. 60 cases) Comes with an integrated mag well, that makes the installation very easy. Just switch the mag wells to install the Brass Catcher.HKP-18490$749.95 -
$9.95 -
H&K HK G36 Left Side Safety Lever
H&K Heckler & Koch
$24.95HK G36 Left Side Safety Selector LeverHKP-01875$24.95 -
Out Of Stock
H&K HK G36 Magazine Catch Release Lever
H&K Heckler & Koch
$0.00H&K HK G36 Magazine Catch Release LeverHKP-19771$0.00 -
H&K HK G36 Picatinny Evaluation Adapter - Black
H&K Heckler & Koch
$59.95HK G36 Picatinny Evaluation Adapter Picatinny Evaluation Adapter for Carry Handle and Sight Rail. Includes all mounting hardware. Compatible With: G36 G36K G36C ModelsHKP-18779$59.95 -
H&K HK G36 Picatinny Rail - Black
H&K Heckler & Koch
$195.99H&K HK G36 Picatinny Rail - Black HK Lateral Picatinny Rail - Ambidextrous for Sight Rails. Compatible With: G36 G36K G36C Specifications: Material: AluminumHKP-18725$195.99 -
Out Of Stock
H&K HK G36 to AR-15 Mag Conversion Mag Well - RAL 8K
H&K Heckler & Koch
$0.00HK G36 To AR15, M4 Magazine Conversion - RAL 8K Simply swap the magazine well from the G36 to this offering and you can then run AR15/M4 style magazine in your G36 or SL8/G36 conversion. Allows Use Of All AR15-M4 magazines in the G36 with this magwell...HKP-17691$0.00 -
Out Of Stock
H&K HK G36, HK SL8 Lower Axle Pin
H&K Heckler & Koch
$0.00G36 & HK SL8 Lower Axle Pin The G36/SL8 (all models) uses the same size axle pin for all of the lower components (3 total). Except for the bolt holding open the device axle. Must insert from the right side to the left (per factory instruction).HKP-00291$0.00 -
H&K HK G36, HK SL8 Magazine Paddle Release
H&K Heckler & Koch
$29.95HK G36 & SL8 Magazine Paddle Release Compatible With: HK SL8 HK G36 HK G36K HK G36CHKP-02152$29.95 -
Out Of Stock
H&K HK G36/SL8 New Style Scope Rail HK German - Black
H&K Heckler & Koch
$234.95HK German HK SL8 & G36 Picatinny Scope With Rail/ Carry Handle This is the perfect mounting solution for optics. Made from the highest quality combat grade aluminum with a hard coat anodized black finish. Compatible With: G36 models SL8...HKP-01878$234.95 -
Out Of Stock
H&K HK G36/SL8 Paddle Magazine Release Set - Used
H&K Heckler & Koch
$0.00G36, SL8 Paddle Magazine Release Set Complete UsedHKP-00739$0.00 -
Out Of Stock
H&K HK G36/SL8 Piston Rod Spring
H&K Heckler & Koch
$0.00HK G36 & SL8 Piston Rod Spring A must-have spare repair and replacement part. New HK German factory part. Compatible With: HK G36 HK SL8HKP-01863$0.00 -
Out Of Stock
H&K HK G36C Handguard - Black
H&K Heckler & Koch
$0.00G36C Slim line handguard with Hkey mounting slots HK German G36C forearm with HKey mounting slots. Made in Germany.HKP-18546$0.00 -
H&K HK G36K Factory Blank Firing Adapter
H&K Heckler & Koch
$139.95H&K HK G36K Factory Blank Firing Adapter G36K Factory HK blank firing adapter. This adapter is date coded and comes complete with the spring clip installed. Compatible With: G36K exclusivelyHKP-16974$139.95 -
H&K HK G36K Incomplete Piston Rod - Black
H&K Heckler & Koch
$61.95H&K HK G36K Incomplete Piston Rod - BlackHKP-16345$61.95 -
Out Of Stock
H&K HK G36K Parts Kit for HDPS Stock Block Conversion
H&K Heckler & Koch
$0.00G36K Parts Kit Complete Less Stock Hinge Section Factory German HK G36K parts kit with the most desirable of the necessary parts for an HDPS stock block conversion. Contact Black Ops Defense for your stock block conversion. Includes: 3...HKP-16514$0.00 -
Out Of Stock
H&K HK G36K Slimline Handguard - Black
H&K Heckler & Koch
$0.00G36K Slim line handguard with Hkey mounting slotsHK German G36K forearm with HKey mounting slots. Made in Germany.HKP-18483$0.00 -
H&K HK MR556/416 9" Modular Rail System - Black
H&K Heckler & Koch
$399.95HK MR556, CR556 Modular Rail System 9"- Black HK German MR556 & CR556 handgaurd that accepts the HKey style modular rail sections. This is also the forearm that clear the OSS suppressor system. Compatible With: MR 556 HK 416 CR 556 *Weight: 13.4...HKP-17341$399.95 -
H&K HK MR556/416 Forward Assist Plunger Pin
H&K Heckler & Koch
$9.95H&K HK MR556/416 Forward Assist Plunger PinHKP-17542$9.95 -
H&K HK MR556/416 Hammer
H&K Heckler & Koch
$189.95HK German 416 & MR556 Full Auto Hammer This is the hammer and spring assembly with no side bushing included. Compatible With: HK MR556 HK 416 Please Note: This batch homes from HK and does not include the bushing.HKP-02673$189.95 -
Out Of Stock
H&K HK MR556/416 Handguard Picatinny Profile - Black
H&K Heckler & Koch
$0.00Handguard with Picatinny profile on 3, 6 and 9 o'clock, STANAG 4694 profile on 12 o'clock.Fits all: HK 416 A5 - 14.5" HK 416 A5 - 16.5" HK 416 A5 - 20"HKP-18493$0.00 -
H&K HK MR556/416 Mag Locking Plate
H&K Heckler & Koch
$9.95HK German HK MR556 & HK 416 Magazine Locking PlateHKP-13484$9.95 -
Out Of Stock
H&K HK MR556/416 Titanium Barrel Nut
HKP HK Parts
$99.95Titanium HK MR556, HK 416 Barrel Nut Or Socket For Barrel A must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal and installation processes. Made in the USA...HKP-17275$99.95