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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HK MP5K, SP5K Rear Push Pin Weldment Set
USA
$14.95HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel and the finest weldment available on the market...HKP-19632$14.95 -
HK SP5K 9mm - SEF, Navy Style - Clipped & Pinned
H&K Heckler & Koch
$199.95HK German SP5K Spec - Navy Style - SEF C/P Housing HK SP5K Spec ONLY for the newly released HK SP5K spec. Made is Germany and machined to fit the HK SP5K spec only. Compatible With: HK SP5K 9mm Spec For use with an SEF style trigger pack not the...HKP-17945$199.95 -
HKP 5.56/.223 Laser Bore Sighter
HKP HK Parts
$19.95HKP 5.56/.223 Laser Bore Sighter Red Laser Bore Sight-.223 Laser bore sight system. Each unit comes complete with batteries (3)and instructions for operation. Easy to use and priced so that every shooter can have one for each caliber of firearm that they...HKP-16218$19.95 -
HKP HK 45C .45 Rail Mount Compensator for Threaded Barrel
HKP HK Parts
$189.95HKP HK 45C .45 Rail Mount Compensator for Threaded Barrel Specifications: Length: 4 inches Height: 2 1/2 inches Weight: 5 oz. Torque: 3nM / 26 inch-lbs Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. To specifically use...HKP-20597$189.95 -
HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear
HKP HK Parts
$49.95Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made 922r compliant part. 100% USA...HKP-01847$49.95 -
Out Of Stock
HKP MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug
HKP HK Parts
$179.95HKP MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug High quality, US-made MP5-N barrel. Built to last and finished in resiliant Nitride. Precision milled to the latest specs with the factory correct and updated 16 flutes in the chamber. Three lug &...HKP-17926$179.95 -
HKP MP5, MP5K Rear Sight Base - Billeted
HKP HK Parts
$17.95Billeted MP5, MP5K Rear Sight Base - Weldment New all stell HK MP5, MP5K billeted rear sight base. The most correct MP5, MP5K rear sight base available. The only billeted factory correct sight base with the factory HK German side axis grooves. If you...HKP-18087$17.95 -
HKP Shield Sight Optics Mount – HK VP9
Shield Sights, HKP HK Parts
$49.99HKP Shield Sight Optics Mount – HK VP9 Each plate is CNC machined from a solid billet of ordnance grade aluminum, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with 2 X T20 steel Torx Plus screws for...HKP-20796$49.99 -
HKP/H&K 93/53/33 & G3/91 (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH
HKP HK Parts
$24.95HKP/H&K 93/53/33 & G3/91 (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...HKP-12746$24.95 -
KCI 30 Round HK MP5 Subsonic Labeled Magazine
HKP HK Parts
$44.95KCI 30 Round HK MP5 Subsonic Labeled Magazine Each 9mm Magazine Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All...HKP-21131$44.95 -
MM Fixed Stock Heavy Rubber Buttpad
Michaels Machines
$79.95MM Fixed Stock Heavy Rubber Butt pad This part gives a larger surface area to spread the recoil absorption with a wider surface (less felt recoil). It adds an aggressive look and feel to your HK and is US-made with a lifetime warranty by the...HKP-00914$79.95 -
Out Of Stock
RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH
RCM
$249.95RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30L 9mm pistol...HKP-20496$249.95 -
Blade-Tech HK USP 9mm/HK USP 40 S&W Signature Double Mag Pouch
Blade-Tech
$49.95Signature Double Mag Pouch - HK USP 9mm, USPC 9/40, P2000, P30/L, VP9/40 - AMBI - Tek-Lok The Blade-Tech Signature Series Double Magazine Pouch is made of our Proprietary blend of Super Tough Polymers. Externally they have been textured to mimic...HKP-17887$49.95 -
Bore Boss Pull-Through Bore Cleaner - .30 /.308 /7.62mm
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .30/.308/7.62mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The...HKP-19399$10.95 -
Choate PTR PDW (7.62x39) & (7.62x51/.308) Folding Stock
Choate
$228.95Choate PTR PDW (7.62x39) & (7.62x51 /.308) Folding Stock New HK Choate side folding stock complete with sling swivel, new German HK backplate, and ready to drop on your favorite HK rifle. No gunsmith is needed as this is an easy-to-do drop in stock...hkp-14348$228.95 -
Comp-Tac HK P30L/HK45 RH Paddle Holster - Black
Comp-Tac
$80.95Comp-Tac HK P30L/HK45 RH Paddle Holster - Black The Comp-Tac Paddle Holster is an all-Kydex outside the waistband holster that may be worn for competition, general use or concealed carry. The Paddle is designed to be worn at 3:00 for the right handed...HKP-18817$80.95 -
Comp-Tac HK USP Infidel Max IWB RH Holster - Black
Comp-Tac
$64.99Comp-Tac HK USP Infidel Max IWB RH Holster - Black The Infidel Max Holster is an all-Kydex inside the Waistband holster with cant adjustment holes to allow the user to change from a reverse cant, speed cant and FBI forward cant. Features: All Kydex body...HKP-18248$64.99 -
Sale
ETS 12 Round HK VP9 9mm Magazine - Carbon Smoke
Now: $9.95Was: $14.9912 Round Magazine - Elite Tactical Systems - 9mm - HK VP9 - Carbon Smoke Features: 12-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Easy disassembly with our specially designed base plate Ergonomically designed...HKP-20720Now: $9.95Was: $14.99 -
Sale
ETS Glock 19 15-Round 9mm Magazine - Translucent
Elite Tactical Systems
Now: $12.95Was: $21.95ETS Glock 19 15-Round 9mm Magazine - Translucent Features: Standard 15-round capacity Compatible with Glock and aftermarket floorplates Easy disassembly with our specially designed baseplate Ergonomically designed floorplate makes it easy to grab from...HKP-18761Now: $12.95Was: $21.95 -
GSG9 HK G36C/G36K Gas Piston
GSG9
$74.95HK G36C & G36K Gas Piston Complete - USA New USA manufactured G36C & G36K gas piston complete with 3 X gas piston sealing rings installed. All stainless steel construction with the durable nitride finish. A great spare or replacement part. This...HKP-18253$74.95 -
H&K 3 Point Green Sling-Used-Surplus
H&K Heckler & Koch
$55.00H&K 3 Point Green Sling-Used-Surplus German military surplus 3 point sling in good condition. Used but 100% operational and a great value for the money.HKP-16273$55.00 -
H&K 91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete
H&K Heckler & Koch
$49.95HK German Backplate Assembly Complete: Excellent Refinished - German HK G3 backplate complete that has been refinished in black oxide. Great replacement for worn out or damaged backplates. Compatible With: G3 HK91 PTR 91 Custom clonesHKP-00355$49.95 -
H&K 91/G3 (7.62x51/.308) Complete Bolt Head - Enfield HK Contract - Used
H&K Heckler & Koch
$179.95HK G3 & HK 91 & PTR Bolt Head Complete - British Enfield - Exc/Like New Made On HK tooling & prints in the Enfield factory in Britain in 1988. Each bolt head is complete with the bolt head parts installed & 100% functional. Removed from...hkp-18423$179.95 -
Sale
H&K 91/G3 (7.62x51/.308) Complete Trigger Pack - Semi Auto - BLEMISHED
H&K Heckler & Koch
Now: $199.95Was: $348.95HK German SEMI .308 Trigger Pack Complete THIS IS A BLEMISHED ITEM THAT IS COSMETIC ONLY. THIS ITEM IS SOLD AS IS AND NOT ELIGIBLE FOR A RETURN. HK German manufactured trigger pack complete with all the parts being professionally converted from a factory...HKP-00217-BNow: $199.95Was: $348.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus
H&K Heckler & Koch
$25.95H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus Used jungle green German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be a complete stock ready...HKP-16270$25.95 -
H&K 93/53/33 & G3/91 (5.56/.223) & (7.62x51/.308) Muzzle Protector Cap
H&K Heckler & Koch
$5.95H&K 93/53/33 & G3/91 (5.56/.223) & (7.62x51/.308) Muzzle Protector Cap This item is used to keep the barrel end or flash hider covered to prevent debris, water, etc., from entering the muzzle end while not in use. Each can be removed by hand...HKP-13959$5.95 -
H&K 93/53/33 (5.56/.223) Magazine Clamp
H&K Heckler & Koch
$107.95HK 93, HK 33 & HK 53 Magazine Clamp German HK dual mag clamp for all HK 93/33/53 magazines. Holds two magazines together for easy access and ease of use. Compatible With: HK93 HK33 HK53 Clones and other custom buildsHKP-00485$107.95 -
H&K Bungee Single Point Sling - 1325mm Long
H&K Heckler & Koch
$114.95H&K Bungee Single Point Sling - 1325mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...HKP-18728$114.95 -
H&K Claw Mount Screw For Optics & Rails
H&K Heckler & Koch
$3.95H&K Claw Mount Screw For Optics & Rails HK German rail screw that is used on the HK claw mount to add an optic such as a Hendsoldt or Stanag optic to the claw mount. The screw is used German surplus manufacture but in perfect shape for use on all...HKP-17921$3.95 -
H&K HK 416/MR556 Quad Rail
H&K Heckler & Koch
$419.95Quad Rail - HK 416, MR556 HK German 416, MR556 Quad Rail without mounting screw. Compatible With: MR556 HK416 Specifications: Length: 9 1/4" Color: Charcoal grayHKP-16858$419.95 -
H&K HK G28 Extended Buffer Tube Castle Nut - Black
H&K Heckler & Koch
$79.95HK G28 Buffer Tube Castle Nut- Black New HK German G28 castle nut for the HK MR762, HK417 & G28 models. Black in color. This is the proper part for use with the G28 buffer tube and stock upgrades. Compatible With: HK MR762 HK 417 HK G28 DMRHKP-16763$79.95 -
H&K HK G3, 91, PTR Bolt Head Complete - LIKE NEW
H&K Heckler & Koch
$179.95German HK G3 & HK 91 & PTR Bolt Head Complete - Used German "ID" Date Coded Made on HK tooling & prints in Germany in 1983. Each used bolt head is complete with all parts installed & 100% functional. Taken from live de-milled German HK G3...HKP-20227$179.95 -
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 Mark 23 Ejector Roll Pin
H&K Heckler & Koch
$6.95HK Mark 23 Ejector Roll Pin The Mark 23 has been discontinued, and spare parts will become limited in time, so stock up now while we have these hard-to-find parts available.HKP-01816$6.95 -
H&K HK MP5 Dented Complete Rear Sight Set - Black
H&K Heckler & Koch
$49.99Rear Sight with Hardware - Used Dented - MP5 German HK MP5 rear sight assembly with a dented 4 position drum. Condition will vary. Includes: HK rear sight Detent Spring windage screw Sight screw Washer Locking washerHKP-19247$49.99 -
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 MR556/416 Ejection Port Spring
H&K Heckler & Koch
$7.95HK MR556 & HK416 Ejection Port SpringHKP-02616$7.95 -
Sale
H&K P30 T-Shirt - Medium - Black
H&K Heckler & Koch
Now: $12.95Was: $18.95Factory HK P30 T-Shirt - Black Genuine Heckler & Koch apparel. Black short sleeve t-shirt with red HK logo on front left chest. Back features smoking "No Compromise" P30 handgun design. 100% preshrunk cotton.HKP-16512Now: $12.95Was: $18.95 -
H&K Tactical Pistol Case - FDE
H&K Heckler & Koch
$129.95H&K Tactical Pistol Case - FDE Keep your handgun safe and secure with the HK Tactical Nylon Case. This heavy duty case will accommodate two pistols, accessories and two magazines. Includes movable, velcro-backed modular double magazine pouch, frame...HKP-17153$129.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Complete Firing Pin Assembly
H&K Heckler & Koch
$82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sHKP-00609$82.95