Rifle / SMG Parts
Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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Out Of Stock
H&K G36/SL8 (5.56/.223) Single Optic Carrying Handle - Used
H&K Heckler & Koch
$0.00HK German G36, SL8 Single Optic Carrying Handle In Used Shape.HKP-00806$0.00 -
Out Of Stock
H&K G36/SL8 Dual/Single Optic Front Sight Screw - Extended
H&K Heckler & Koch
$0.00Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-00801$0.00 -
Out Of Stock
H&K G36K Factory (5.56/.223) 4 Prong Flash Hider - Threaded 15x1 RH
H&K Heckler & Koch
$0.00H&K G36K Factory (5.56/.223) 4 Prong Flash Hider - 15x1 RH HK flash hider will fit any HK 5.56/.223 rifle barrel threaded 15x1 RH. Specifications: Overall Lenght 2 7/8" Threaded 15x1 RH Compatible With: HK G36K HK SL8 5.56/.223...HKP-00282$0.00 -
Out Of Stock
H&K German Bayonet Adapter With Hardware
H&K Heckler & Koch
$0.00H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Screw & Hardware. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring loaded mechanism in the bayonet adapter. NEW NOT...HKP-00021$0.00 -
H&K Hensoldt 90 Series Aiming Projector - Black
H&K Heckler & Koch
$7,999.95H&K Hensoldt 90 Series Aiming Projector - Black Ultra rare Heckler & Koch Hensoldt Aiming Point Projector. In the original wooden case with all accessories, including IR lens, lens cleaning brush, spare bulbs, tweezers, cleaning cloth, etc. NIB...HKP-19119$7,999.95 -
Out Of Stock
H&K HK 416 Collapsible Stock Mil Spec - RAL 7008
H&K Heckler & Koch
$0.00Collapsible HK 416 E1 Style Mil Spec - HK 416 RAL 7008 - Dark Earth Color Genuine Heckler & Koch HK416 surplus buttstocks in the RAL 7008 color scheme. HK-USA nows offers these surplus E1 Mil-Spec stocks which can be hard to find and are perfect for...HKP-19503$0.00 -
Out Of Stock
H&K HK 416 Complete Bolt Group
H&K Heckler & Koch
$0.00HK 416 Bolt Group Complete - German New HK German 416 Bolt group. Rare component as the HK bolt groups are now considered EUC items and are not for sale from HK Germany. Each unit is factory fresh with all of the OTB upgrades. Includes: HK 416 F/A...HKP-00043$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 -
On Sale
H&K HK 416/MR556 Enhanced Buffer Tube - Commercial - BLEMISHED
H&K Heckler & Koch
Now: $171.95Was: $249.95H&K HK 416/MR556 Enhanced Buffer Tube - Commercial - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Genuine HK German manufactured 416, MR556 new...HKP-15424-BNow: $171.95Was: $249.95 -
Out Of Stock
H&K HK 417 A2 HKey Slimline Handguard - Black
H&K Heckler & Koch
$0.00Slimline Handguard with HKey Mounting Slots Fits: HK417 A2 - 16.5& HK417 A2 - 20&HKP-19006$0.00 -
H&K HK 417/G28 Patrol Handguard - RAL 8K
H&K Heckler & Koch
$1,849.95H&K HK 417/G28 Patrol Handguard - RAL 8000 Anodize HK 417/G28/MR762 PATROL HANDGUARD in RAL Anodizing - a factory genuine "Made in Germany" product. This rare find is a must-have for gun enthusiasts and collectors alike. Compatible With: HK 417 HK...HKP-21516$1,849.95 -
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 will fit factory HK53 firearms or clones that are built to factory specs. Compatible With: HK 53 HK clones such as V53 & C53 firearmsHKP-00479$99.95 -
H&K HK 93, HK 33 Barrel, NIW 1 in 7, RARE
H&K Heckler & Koch
$1,887.95Rare Barrel - NIW 1 in 7 - HK93, HK33: New HK93/33 NIW 1 in 7 twist (super rare) barrel with long flash hider pinned by HK to reach the legal 16" barrel length. Factory-installed sight tower with sight/sling eyelets and factory finish. These are...HKP-19344$1,887.95 -
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
$0.00H&K HK 93, HK 53, HK 33K, HK 33 #15 Locking Piece The 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...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 -
Out Of Stock
H&K HK 94 Semi Bolt Carrier - Used
H&K Heckler & Koch
$0.00Original German factory HK vintage date coded "IJ" 1989 manufactured bolt carrier. A rare once in a lifetime find. This is the last batch that HK ever imported or made available. Last call!Fits all: HK94 HK MP5 (if semi only is desired) Other 94 clones...HKP-00670$0.00 -
H&K HK 940 .30-06 Rifle Barrel
H&K Heckler & Koch
$948.95H&K HK 940 .30-06 Rifle Barrel We understand how challenging it can be to find rare and hard-to-find components for your firearms, which is why we are pleased to present an exceptional opportunity to acquire a replacement barrel for the HK940 in ...HKP-21605$948.95 -
$248.29 -
H&K HK 940/SL7 30-06 Locking Piece
H&K Heckler & Koch
$89.95H&K HK 940/SL7 30-06 Locking PieceHKP-02108$89.95 -
Out Of Stock
H&K HK G3, 91 F/A Complete Bolt Group
H&K Heckler & Koch
$0.00German G3, 91 F/A Bolt Group CompleteEach Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and rollers) >Firing pin >Firing pin spring >HK91/G3 locking piece...HKP-19671$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 -
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
$567.95H&K HK G36 German Brass Catcher - OD Green Genuine H&K brass catcher for G36 platforms. This brass catcher is equipped with a quick-change, integral magwell for a secure fit. Spent brass capacity is approximately 60 cases. Compatible...HKP-18490$567.95 -
Out Of Stock
H&K HK G36 Incomplete Bolt Group Carrier - Black
H&K Heckler & Koch
$0.00HK G36 Bolthead Carrier Incomplete This is not compatible with a HK SL8.HKP-16434$0.00 -
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 -
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 -
H&K HK G36/SL8 Piston Rod Spring
H&K Heckler & Koch
$9.99HK 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$9.99 -
Out Of Stock
H&K HK G36/UMP Tactical Sling - Used
H&K Heckler & Koch
$0.00HK Factory G36 & UMP Tactical Sling. Black In Color. USED.HKP-00632$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