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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H&K Trip Lever - Friction
H&K Heckler & Koch
$24.95H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.HKP-02393$24.95 -
Out Of Stock
HKP HK MR556/MR762/416/417 Front Diopter Sight
HKP HK Parts
$89.95HK MR556, HK416 & MR762 & HK 417 Fixed Front Sight Assembly - USNew US Made HK style front fixed sight for use with the rear diopter style rear sight options. Can also be used on some other AR-15/M-16 applications.New US Manufacture. Complete...HKP-17716$89.95 -
DTAC Picatinny Rail For HK Receivers - 13 Slot
DTAC Dakota Tactical
$74.95DTAC Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...HKP-17818$74.95 -
H&K 93/53/33 (5.56/.223) Surplus Fixed Stock - A2 - Black
H&K Heckler & Koch
$249.95Surplus - Fixed Stock - Black - HK93,33,53 HK93 Surplus Stock - Black comes with a matching buttpad. Ready to install on your HK or clone rifle. Last remaining units. Once all are gone there will be no more. Features: HK 93, 33, 53 correct all metal...HKP-19075$249.95 -
H&K HK G36, HK G36K Full Size Folding Stock - Black
H&K Heckler & Koch
$139.95HK G36 or G36K Folding Stock HK G36 Stock complete for full-size G36 rifles. This is the longest stock available for G36 rifles. This is also the standard G36 and G36K stock with the standard length. Compatible With: G36 G36K G36C G36E SL8 to G36...HKP-00277$139.95 -
H&K HK G36/SL8/MP7 Gas Block Pin
H&K Heckler & Koch
$8.95H&K HK G36/SL8/MP7 Gas Block Pin The G36/SL8/MP7 gas block pin is the largest out of HK's line up (UMP/USC, 415/MR556, 417/MR762).HKP-16727$8.95 -
H&K HK MR556/416 Firing Pin
H&K Heckler & Koch
$54.95H&K HK MR556 & 416 Firing Pin New HK German manufactured. This is a great item to have on hand as the firing pin is one of the most abused components in the HK MR556 and HK 416 weapon systems. Compatible With: HK MR556 HK 416 HK...HKP-00045$54.95 -
H&K HK MR556/416 Magazine Release Button
H&K Heckler & Koch
$16.95HK MR556 & HK 416 Magazine Release Button New HK German Manufacture. Compatible With: HK MR556 HK416 AR15, M4 & M16 firearmsHKP-02656$16.95 -
Out Of Stock
H&K MP5, MP5K Case Deflector
H&K Heckler & Koch
$0.00HK German case deflector for receiver flat or receiver for all MP5, HK94, MP5K & SP89 builds. The case deflector is riveted or welded in place on the ejection port of the 9mm receiver/flat to aid in the extraction of the 9mm round. HK MP5, 94 HK...HKP-00871$0.00 -
Out Of Stock
HK MR556/416 10.5" Super Modular Rail System - Black
Geissele
$459.95Geissele HK416, MR556 10.5" Modular Rail - Black 9.7 " Extended free float rail for use with all HK 416 & MR 556 barrels. Please note: On the HK416 models the sling attachment point on the gas block will need to be removed to allow the handguard to...HKP-16459$459.95 -
HKP (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - CA/NY Compliant
HKP HK Parts
$24.95HKP (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - CA/NY Compliant This muzzle device is a partially milled version (not completely milled) of the factory HK birdcage style flash hider found on the factory-correct HK models of rifles...HKP-12746$24.95 -
HKP HK 91/G3 (7.62x51/.308) Clubfoot Stock
HKP HK Parts
$299.95HK Clubfoot Stock HK clubfoot stock comes fully assembled with both US and German H&K parts. This stock assembly counts as one US-made part toward your 922r compliance. Compatible With: HK 91 HK G3 PTR-91, 32 Rifles HK .308 Rifles Other...HKP-01920$299.95 -
HKP MP5K/SP89/SP5K 9mm AR Stock Adapter - QD
HKP HK Parts
$114.95HK MP5K, SP89 Style AR, M4 Stock & Brace Adapter With QD Sling Attachment Point Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points. Properly buffered with factory correct...HKP-18796$114.95 -
MP5, MP5K & HK53 Optic View Front Sight Tower
$54.95Billeted One Piece "Optic View" Front Sight Tower HK front sight tower machined as one solid seamless billeted piece. The finest front sight tower that has been machined to allow the use of the unobstructed partial view or optic view of the front sight...HKP-17879$54.95 -
Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Orange
Blitzkrieg Components
$84.95Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 PTR-style front sight provides an advanced sighting system with improved visibility and precision. The spike-tipped post and bright orange stripe ensure a fast and clear sight...HKP-21100$84.95 -
Choate MP5K/SP89 9mm Steel End Cap W/ Buffer
Choate
$45.95MP5K & SP-89 Steel End Cap With Replaceable Rubber Buffer Fits perfectly on all HK MP5K-type builds or projects. All metal construction, so you know it will last. Each unit comes with a sling loop for use with multiple sling types. Compatible...HKP-00395$45.95 -
On Sale
Czech M10M Gas Mask with Filters - Used
Czech
Now: $14.95Was: $24.95Czech M10M Gas Mask with Filters - Used The Czech M10M gas mask comes with filter and drinking tube. This is a comfortable and lightweight mask. Specially designed for extended use with superior comfort, secure fit, and low breathing resistance. The M10M...HKP-19933Now: $14.95Was: $24.95 -
H&K 3 Point Sling Replacement Holding Clip
H&K Heckler & Koch
$19.95New HK German 3-Point Sling Rear Stock Holding Clip This is the hard-to-find holding clip that secures the standard 3-point HK sling to the A2 or A3 stock. The rear sling clip can become weak and break, making your 3-point sling useless. The sling...HKP-01043$19.95 -
H&K 30 Round HK MP5 9mm Magazine - Bronze
H&K Heckler & Koch
$99.95H&K 30 Round HK MP5 9mm Magazine - Bronze Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany." These are the finest magazines you can get and brand new...HKP-20822$99.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Aluminum
H&K Heckler & Koch
$69.9510-Round 308 Magazine For HK Rifles - Alloy Aluminum Each HK magazine is made by using a factory German HK 20-round mag, that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20-round magazines are too long and...HKP-00351$69.95 -
H&K 93/53/33 (5.56/.223) Backplate - Parkerized
H&K Heckler & Koch
$64.95Steel Back Plate For HK93, 33, 53 & MP5, 94- Parkerized Finish HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly parkerized. Derived from a German HK91 backplate and using factory tooling,...HKP-16252$64.95 -
H&K HK G36/SL8 Sling - Black
H&K Heckler & Koch
$79.95HK German G36 & SL8 Tactical Sling - BlackHKP-02381$79.95 -
H&K HK MP5 & HK94 Slimline Forearm - OD Green
H&K Heckler & Koch
$49.95H&K HK MP5 & HK94 Slimline Forearm - OD Green Used German military surplus O.D green slimline forearm with heat shield cut down to fit the MP5 & HK94. These are rare items only offered here at HK Parts. Each item is in good to excellent shape...HKP-20197$49.95 -
H&K HK MR556 Incomplete Upper Receiver
H&K Heckler & Koch
$399.95HK German Stripped HK MR556 Upper Receiver New factory German incomplete and unmarked MR556 upper receiver. Compatible With: HK MR556 HK MR223 HK 416*** Do you need a matching lower for your build? STS416 A5 LOWER - Specialized Tactical...HKP-02615$399.95 -
H&K HK MR762/417/G28 Ambidextrous Sling Adapter
H&K Heckler & Koch
$129.95MR762, HK417 & G28 Ambidextrous Sling Adapter HK German manufactured MR762, MR308 & HK 417 Sling Adapter Backplate. This backplate has ambidextrous sling attachment points for both the left and right side of the firearm.HKP-16994$129.95 -
H&K Vertical Foregrip
H&K Heckler & Koch
$96.95H&K Vertical Foregrip (With Slide in for LM/LLM Switch) Compatible With: MP5, MP5K MP5SD MP7A2 G36, G36K, G36C HK 416 HK417HKP-18465$96.95 -
HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style
HDPS
$74.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style The original thumb screw version for all stock block B's.HKP-15731$74.95 -
HK UMP/USC/SL8/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Front Sight Roll Pin
H&K Heckler & Koch
$5.95Front Sight Roll Pin - HK UMP, USC, G36, & SL8HKP-02158$5.95 -
Out Of Stock
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Complete Recoil Rod Assembly
HKP HK Parts
$29.95HK USC, UMP 45/40/9mm Recoil Spring/Rod Assembly New USA made recoil assembly complete. Our design allows for easy repair and replacement of the recoil spring itself without replacing the entire recoil assembly as found on the German recoil assemblies...HKP-17989$29.95 -
On Sale
HKP MP5 AR Stock, Brace Adapter - BLEMISHED
HKP HK Parts
Now: $44.95Was: $114.95HK MP5, HK93 Style AR, M4 Stock & Brace Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each AR stock, brace adapter is...HKP-17118-BNow: $44.95Was: $114.95 -
B&T Quick Detach Polymer Unigrip - Black
B&T Brugger & Thomet
$74.95B&T Quick Detach Polymer Unigrip This simple foregrip is designed to be mounted on the NAR/Picatinny rail of the firearm. The grip features an integrated storage compartment. Specifications: Color: Black Length: 5" (130mm) Weight: 113g Material:...HKP-18102$74.95 -
Out Of Stock
Ergo Sling Loop Rail Mount- Ambidextrous
Ergo
$29.95Ergo Sling Loop Rail Mount- Ambidextrous The ergonomic HK slide mount sling hook base provides an economical means for attaching an HK-style sling hook to all 1913 Picatinny rails. Perfect for mounting on a tactical rail system or other Picatinny forearm...HKP-14526$29.95 -
GSG9 HK G36 FBI 0,1 Lower Complete
GSG9
$399.95HK GSG9 G36, G36K, G36C - FBI (0,1) Lower New HK US FBI (0,1) G36 lower complete with internals. This is also a popular item for use on the SL8 to G36 conversions. Please note: Do NOT dry fire.HKP-20181$399.95 -
Out Of Stock
H&K -2 Roller For Bolt Head 7.98mm - Under-sized
H&K Heckler & Koch
$19.95H&K -2 Roller For Bolt Head 7.98mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -2 roller. Please Note: The price listed is per roller. Order 2 (pair) for...HKP-00505$19.95 -
On Sale
H&K HK G36 Poster
H&K Heckler & Koch
Now: $4.95Was: $14.95H&K HK G36 Poster Limited edition print no longer in production. Shows all models of the famous G36 battle rifle. Available while supplies last! Specifications: Height - 24" Width - 18"HKP-16688Now: $4.95Was: $14.95 -
H&K MP5, 93/53/33, G3 (9mm & 7.62/.308 & 5.52/.223) SEF Navy Style Polymer Housing - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K MP5, 93/53/33, G3 (9mm & 7.62/.308 & 5.52/.223) SEF Navy Style Polymer Housing - Clipped & Pinned This navy style housing fits all shelved receivers. Specifications: Made In Germany Clipped & Pinned Navy Style Housing SEF...HKP-00164$179.95 -
HKP HK MP5K Vertical Grip - OD Green
HKP HK Parts
$34.95MP5K Vertical Grip O.D Green - USA New OD green MP5K K-Grip handguard for MP5K and the ever popular MP5K-Reverse stretch models. Now you can further customize your MP5K/ SP5K with this new color grip and, best of all, it counts as 1 U.S compliant part...HKP-20592$34.95 -
PTR Tactical Handguard "U" Shaped Bracket Screw
PTR
$1.95PTR Tactical Handguard "U" Shaped Bracket Screw Replacement screw for the "U" shaped hangar on the tactical handguard. There are a total of 3 screws used, they are all the same for the MP5k, MP5, HK93 & HK91 tactical handguards. Great spare to have...HKP-17318$1.95 -
AC-Unity HK MP5 Cocking Handle
AC-Unity Magazines and Parts
$24.95AC-Unity HK MP5 Cocking Handle Compatible With: MP5, 94, MP5SD MP5K, SP89, SP5K Zenith 9mm firearms, POF Other MP5 clones or custom HK 9mm buildsHKP-20158$24.95 -
Ergo Picatinny Rail Hand Stop
Ergo
$11.95Ergo Picatinny Rail Hand Stop Compatible with all Picatinny rails and adds a positive stop. Useful on short-barrel rifles and shotguns and can act as a hand-positioning device.HKP-14527$11.95