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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H&K USC/UMP (.40 S&W) Extractor
H&K Heckler & Koch
$54.95HK German UMP Or USC .40 Extractor New HK German factory OEM part. This is a high wear and replacement item as the .40 cal cartridge has a high impulse that results in an increased occurrence of this extractor wearing out and breakage. A must-have...HKP-00264$54.95 -
Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel
Harris Engineering
$149.95Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel This part is manufactured using high-quality parts to ensure excellent function and sustainable use. It attaches to a sling swivel stud. Carrying your rifle with a sling or shooting off-hand is...HKP-00983$149.95 -
HK G36/UMP Folding Stock Release Spring
H&K Heckler & Koch
$9.95HK G36 Folding Stock Release Spring This is the spring that fits under the stock release button to activate the folding and retention of the G36 or UMP stock. Compatible With: HK G36 HK G36K HK G36C UMPHKP-00637$9.95 -
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 -
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 -
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 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 -
Maglula UZI Magazine Loader, Unloader
Maglula
$29.95Maglula UZI Magazine Loader, Unloader Each part is made to load and unload your 9mm UZI magazines in seconds. This will allow you to do more shooting and less loading. With this loader, magazines can be loaded in 1/3 (60% less) of the time of...HKP-14547$29.95 -
MP5K Complete Weldment Set
$59.95MP5K Complete Weldment Set Each set of weldments is all of the weldments required for an MP5K flat. Includes: Rear sight base Sight tab Case deflector Semi auto shelf Side reinforcement tabs 2 X rear stock bushingsHKP-16231$59.95 -
Out Of Stock
RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH
RCM
$225.00RCM 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$225.00 -
Sale
Sig Sauer SIG P365 .380 10-Round Magazine - Black
Sig Sauer
Now: $35.95Was: $49.95P365 MICRO COMPACT 10RD .380 MAGAZINE Flush-fit 10-round steel magazine for the P365 micro-compact pistol. Compatibile With: SIG P365 micro-compact pistol NOT compatible with the P365X or P365XLHKP-20311Now: $35.95Was: $49.95 -
Sale
TPM Sig P320 +5 Magazine Extension
Tactical Precision MFG
Now: $24.95Was: $44.95TPM Sig P320 +5 Magazine Extension This extension is made from machined 6061 aluminum. This magazine extension will increase the capacity, reload speed, mag drops, and overall functionality of your pistol. Available in various colors to customize to your...HKP-21135-MNow: $24.95Was: $44.95 -
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 -
Bore Boss Pull-Through Bore Cleaner - .44/.45
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .44/.45 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 single-piece cable...HKP-19401$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 -
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 -
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 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - Used
H&K Heckler & Koch
$59.95German 5 Round Steel Magazine - G3, 91, CETME .308 - Like New Compatible With: HK G3, 91, PTR HK CETME, Clone or other custom builds HK PSG-1 HK MSG-90 HK 11HKP-18924$59.95 -
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 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 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 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 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 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Ambidextrous Sling Loop
H&K Heckler & Koch
$40.95UMP, USC, SL8, & G36 Ambidextrous Sling Loop Or Eyebolt For Sling - German HK The addition of the HK eyelet creates a sling attachment point that will enable you to mount a sling using any of the hard mounting points located on the forearm of the...HKP-00611$40.95 -
Out Of Stock
Hi-Viz HK VP9, HK P30, HK 45 LiteWave H3 Tritium/Litepipe Night Sights
Hi-Viz
$125.00Hi-Viz, LiteWave H3 Tritium/Litepipe Night Sights, Fits HK VP9, VP9SK, VP40, HK45, HK45C, P30, P30L, Green Front With White Front Ring, Orange Rear New! LiteWave H3(TM) sight combines Tritium with the HIVIZ Litepipe technology for 24 illumination. Now...HKP-19435$125.00 -
HKP +3 Round HK45/HK45 Tactical Magazine Extension - Cerakote Red
HKP HK Parts
$49.95HKP +3 Round HK45/HK45 Tactical Magazine Extension - Cerakote Red HK45 & HK45 tactical +3 magazine extension adds three additional rounds to the 10 round factory HK45, HK45 tactical magazine. Super easy to install simply add the mag extension to your...HKP-20610$49.95 -
HKP .45 ACP 5 Prong Flash Suppressor - Threaded 16x1 LH
HKP HK Parts
$99.95HKP .45 ACP 5 Prong Flash Suppressor - Threaded 16x1 LH This is the much anticipated 5-prong flash hider. This flash suppressor is ideal for your USP tactical pistol. It enhances accuracy by up to 35%, reduces recoil by up to 40%, and there is...HKP-02637$99.95 -
HKP HK G3, HK 91, PTR 91 Spare Parts Kit
$149.95HKP HK G3, HK 91, PTR 91 Spare Parts Kit Spare parts kits for the most commonly worn parts needed to keep your HK G3 going. This offering also includes a pouch to safely store all your replacement parts and needed tools to have on hand when required...HKP-20684$149.95 -
HKP HK P7 Bench Mat
HKP HK Parts
$13.95HKP HK P7 Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK P7 bench mat firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen table, or...HKP-17282$13.95 -
Out Of Stock
Lazy Wolf Guns HK VP9 F3 Trigger – Black
Lazy Wolf
$139.95LWG - HK VP9 F3 Trigger – Black Cerakote In a collaboration with Lazy Wolf Guns, HK Parts offers the finest drop-in, aftermarket triggers for your HK VP9 & VP40 handguns. Features: Made in the USA True drop-in installation using the factory...HKP-20818$139.95 -
Lazy Wolf VP Series F3 Full Flat Face Trigger - Purple Tab
Lazy Wolf
$134.95Lazy Wolf VP Series F3 Full Flat Face Trigger - Purple Tab In a collaboration with Lazy Wolf Guns, HK Parts is offering premium aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the finest trigger ever developed...HKP-19810$134.95