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 Trip Lever- Friction - Used - Surplus
H&K Heckler & Koch
$3.74H&K Trip Lever- Friction - Used - Surplus HK German trip lever for HK F/A or registered sear trigger packs in used surplus condition. This is the older friction style trigger pack found on older HK trigger packs and all HK registered sear packs.HKP-17760$3.74 -
PTR MP5 Tri-Rail Forearm
PTR
$149.95PTR MP5 Tri-Rail Forearm US made and comes with 3 independent 4" removable rails that are fully modular and able to add and remove at will. Made in the USA. Low profile and the most modular of any picatinney style forearm available. The Picatinney Rails...HKP-17782$149.95 -
Out Of Stock
B&T HK MP5SD 9mm Barrel - Threaded 18x1 RH
B&T Brugger & Thomet
$449.95B&T HK MP5SD 9mm Barrel - Threaded 18x1 RH New from B&T Switzerland, this cold hammer forged (CHF), ported, and nitrided barrel is designed to meet factory HK specifications exclusively for MP5SD models. With a long-standing relationship with...HKP-17957$449.95 -
H&K HK MR556/416 14.5"/16.5" Rear Diopter Sight
H&K Heckler & Koch
$199.95HK MR556 & 416 14.5"/16.5" Rear Diopter Sight HK German Rear Diopter Sight is the proper rear sight to pair with all HK 416 14.5, and MR556 uppers and rifles. This sight can be paired with a fixed front sight or folding front sight.HKP-00027$199.95 -
HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH
HKP HK Parts
$29.95HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH The HK Parts micro comp & thread protector is designed to be lightweight, and functional as both a compensator and thread protector. The HK Parts micro comp easily attaches to the end of any...HKP-20211$29.95 -
HKP Semi Elbow Spring For Trigger Pack - Match Grade
HKP HK Parts
$3.74Match Grade Semi Auto Spacer Elbow Spring - USA Manufactured using the best isolated oil tempered, select spring steel available for match grade performance and the utmost longevity. For use on all HK semi auto trigger packs. A must have for those...HKP-18002$3.74 -
HKP Single Point Sling - OD Green
HKP HK Parts
$29.95HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...HKP-09057$29.95 -
H&K Ambidextrous Selector Lever - Right Side
H&K Heckler & Koch
$89.95H&K Ambidextrous Selector Lever - Right Side This is the right-side selector of the ambidextrous trigger packs. This part will only work on ambidextrous style or pictogram style housing and trigger packs. New HK German manufactured. Compatible...HKP-00127$89.95 -
HKP HK VP9, HK VP40 Competition Magwell Extension - Black
HKP HK Parts
$74.95HKP HK VP9, HK VP40 Competition Magwell Extension - Black The HK Parts manufactured Competition VP9//VP40 extended flared magwell is CNC machined in the USA from billet aircraft grade aluminum that is hard coat anodized & Teflon coated for maximum...HKP-17756$74.95 -
Meprolight HK USP Tactical Front Night Sight - Green
Meprolight
$39.95Meprolight HK USP Tactical Front Night Sight - Green Perfect for those that only want a front night sight dot on the USP Tactical variants. Meprolight Tritium night sight front sight ONLY for HK USP pistols are the recommended tactical night sight of...HKP-16590$39.95 -
GSG 22 Round GSG-5/GSG-16 .22LR Magazine - Black
GSG German Sports Guns
$29.95GSG 22 Round GSG-5/GSG-16 .22LR Magazine - Black The GSG magazine is a standard factory replacement magazine. The magazine is made from high-quality polymer and features a matte finish. The most important aspect of this magazine is the fact that it is...HKP-00794$29.95 -
H&K 12 Round HK P2000/USPC .40 S&W Floor Plate - Black
H&K Heckler & Koch
$23.95HK USP Compact/ P2000 .40 12 Round Floor Plate Flat - Low Profile Compatible With: HK USP Compact 40 S&W 12 Round Magazine HK USP Compact 357 SIG 12 Round Magazine HK P2000 40 S&W 12 Round MagazineHKP-01435$23.95 -
Grayguns HK P2000 Straight Trigger
Grayguns
$95.00Grayguns HK P2000 Straight Trigger Designed by Keith Hosey, Grayguns’ director of gunsmithing, the HK P2000 Straight Trigger is a first-of-its-kind in the market. The trigger reduces over-travel while featuring a 90-degree optimal trigger...HKP-21071$95.00 -
Grayguns HK P30, P2000 Short Reset System 4.1 Trigger
Grayguns
$90.00Grayguns HK P30, P2000 Short Reset System 4.1 Trigger Replicate our custom in-house short reset conversion with a drop-in kit for your HK P2000 or P30 without a thumb safety. Cut from bar stock steel, these kits provide an exacting fit for...HKP-19754$90.00 -
H&K MP5/SP5/HK94 Wide Forearm
H&K Heckler & Koch
$74.95H&K MP5/SP5/HK94 Wide Forearm German HK MP5 Handguard, also known as the Tropical wide forearm. This is the real deal in HK German and the gold standard of HK MP5 handguard offerings. Compatible With: MP5, 94, SP5 MP5 40/10 MKE, POF, Zenith,...HKP-00174$74.95 -
H&K Rear Sight Spare, Repair Kit
H&K Heckler & Koch
$24.95H&K Rear Sight Spare, Repair Kit New factory German HK rear diopter sight spare parts, repair kit. Brand new factory German manufacture. Not used surplus parts brand new factory fresh German HK parts. Includes: 2 X Rear sight ball bearings 2 X Rear...HKP-16976$24.95 -
Kaw Valley Precision 9mm Mach 3-Lug Mount
Kaw Valley Precision
$79.95Kaw Valley Precision 9mm Mach 3-Lug Mount The Kaw Valley Precision MACH 3-Lug Mount is a fully captured, enclosed system designed for use with the KVP MACH Linear Comp system. By utilizing 1-1/8"x28 TPI threads, the MACH 3-Lug Mount will fit many common...HKP-19995$79.95 -
Sale
Lazy Wolf VP C1 Curved Series Trigger - Black
Lazy Wolf
Now: $99.95Was: $129.95C1 - Curved VP Series Trigger - Lazy Wolf Guns In a collaboration with Lazy Wolf Guns, HK Parts is offering the finest aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is a superior trigger, developed after more...HKP-18748Now: $99.95Was: $129.95 -
MKE AP5 Flash Hider
MKE
$79.95MKE AP5 Flash Hider - 3-Lug This 3-lug flash hider is perfect for Century Arms AP5. Specifications: Made in Turkey by MKE Tri-Lug Helps Increase Accuracy Compatible With: AP5HKP-21185$79.95 -
H&K 13 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black
H&K Heckler & Koch
$49.9513 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black Perfect for concealed carry or use as a lower profile magazine. Compatible With: HK USP Compact 9mm HK P2000 9mm HK P2000SK (will sit below the bottom of the mag well)HKP-02243$49.95 -
H&K 91/G3 (7.62x51/.308) Mag Release Set
H&K Heckler & Koch
$34.95HK .308 Magazine Release Set (Left to Right) This magazine catch set consists of 4 pieces and is HK-manufactured. Compatible With: HK .308 rifles HK G3 HK 91 PTR-91 HK 91 Clones or Variants Includes: Magazine Catch Magazine Catch Spring Push...HKP-00929$34.95 -
HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - Black
HKP HK Parts
$29.95HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - Black A direct replacement for the cheap plastic slide plate that comes stock with your HK VP9, VP40. A great way to dress up and enhance your HK VP9, VP40 pistol. Made from CNC'ed aircraft grade aluminum,...HKP-17676$29.95 -
HKP, H&K 20 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine - Black
HK Parts, Heckler & Koch
$89.95HKP, H&K 20 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine - Black HK Parts take an existing 13 round mag the +7 mag extension and assembles them into a working 20 round mag. Each unit comes as a completely assembled VP40/P30 .40 cal 20...HKP-19546$89.95 -
RCM MP5 9mm Trunnion
RCM
$64.95RCM MP5 9mm Trunnion US made to exact factory HK specifications and machined completely from ordnance grade steel and heat treated to factory specs. Compatible With: MP5, 94 MP5K SP89 Clones or other custom buildsHKP-01193$64.95 -
Bore Boss Pull-Through Bore Cleaner - 9mm MP5, SP5K
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - 9mm 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 with...HKP-19398$10.95 -
H&K 91/G3 (7.62x51/.308) Cocking Tube
H&K Heckler & Koch
$109.95HK German G3, 91, PTR Cocking Tube This is the factory-new part straight from HK Germany, and it is heat treated with the proper ribbed cocking tube extrusion. No longer in production and not POF or other low-quality production. HK G3 HK 91 PTR-91...HKP-01041$109.95 -
HKP HK G36, SL8 Forearm, Lower, Magwell U.S Push Pin - Black
H&K Heckler & Koch
$18.95HKP HK G36, SL8 Forearm, Lower, Magwell U.S Push Pin - Black U.S G36 push pin. Black oxide for the best looking finish. This push pin is also required for those doing the SL8 to G36 Style Conversions. A factory German G36 uses three of these factory push...HKP-20730$18.95 -
HKP HK Mark 23, SOCOM Bench Mat
HKP HK Parts
$13.95HKP HK Mark 23, SOCOM Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK Mark 23 firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen table,...HKP-17278$13.95 -
HKP HK MP5 .22 Bench Mat
HKP HK Parts
$24.95HK MP5 .22 Bench Mat The HK MP5 .22 bench mat is the perfect cleaning & repair mat designed specifically for your HK MP5 .22 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects your gun from scratches...HKP-17280$24.95 -
HKP HK UMP (.40 S&W/.45 ACP/9mm) Lower Locking Pin
HKP HK Parts
$12.95HK UMP Lower Locking Pin, Push Pin For use with all HK UMP lowers & USC to UMP conversions. Made in the USA. This is the pin that holds the lower to the receiver. Compatible With: UMP USC Conversions TBT builds Omega Other builds that...HKP-18580$12.95 -
90 Series Barrel Pin Jig
HKP HK Parts
$119.9590 Series Barrel Pin Jig This is the perfect jig for the installation and removal of barrel pins found in all HK 90 series rifles and pistols. This jig set is a companion set for those who have flat-bending jigs and other...HKP-08928$119.95 -
H&K 8 Round HK USPC/45C .45 ACP Floorplate - Black
H&K Heckler & Koch
$64.95H&K 8 Round HK USPC/45C .45 ACP Floorplate - Black Brand new German HK manufacture. Compatible With: HK45 Compact, HK45 Tactical HK USP Compact 45, HK USPC TacticalHKP-01454$64.95 -
H&K 91/G3 (7.62x51/.308) Firing Pin - Used
H&K Heckler & Koch
$6.95H&K 91/G3 (7.62x51/.308) Firing Pin - Used Great for spares as this is a common wear item. Compatible With: HK G3 & HK 91, PTR or clone riflesHKP-16710$6.95 -
HKP 9mm Enhanced Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$24.95HKP 9mm Enhanced Thread Protector - Threaded 13.5x1 LH Titanium manufactured enhanced thread protector in 13.5x1 LH for use with all threaded barrels. This unique design will fit over and protect the crown of your barrel for added protection...HKP-19497$24.95 -
HKP HK 45/45C Bench Mat
HKP HK Parts
$13.95HKP HK 45/45C Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK45, HK45C firearm while using this high quality neoprene rubber backed and cloth top gun cleaning mat to protect your gun bench, desk, kitchen table, or...HKP-17171$13.95 -
Sale
KCI Glock 50-Round 9mm Drum Magazine - Black
SGM Tactical
Now: $49.99Was: $69.95KCI Glock 50-Round 9mm Drum Magazine - Black Features: Capacity: 50 Rounds Caliber: 9mm Construction: Polymer/Steel Made in South Korea by KCI Compatible With: Glock 17, 19, 26, 34 Please Note: The firearm shown in the picture is NOT included. Since...HKP-14321Now: $49.99Was: $69.95 -
SL8, G36 Bolt Hold Open Lever - Extended - HKP
USA
$59.95SL8 & G36 Extended Bolt Hold Open Lever New SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The bolt hold open lever is a drop in replacement and requires zero gunsmithing or alterations...HKP-18775$59.95 -
H&K G3 Large Buffer Screw
H&K Heckler & Koch
$1.95HK G3 Large Buffer Screw This is the screw that screws in the back of the buffer. This is also needed to install the Magpul PRS2 stock. Used- in good, working condition.HKP-16981$1.95 -
HKP/H&K P2000/USPC 18 Round Complete Magazine With Extension
H&K / HK Parts
$79.95HKP/H&K P2000/USPC 18 Round Complete Magazine With Extension HK P2000 +5 magazine extension coupled with a new full-size HK P2000, 13 round magazine. Each unit is then fully assembled as an 18 round HK P2000 magazine. Ideal for competitive shooters,...HKP-18662-M$79.95 -
H&K 91/G3 (7.62x51/.308) Vinyl Magazine Pouch - Surplus
H&K Heckler & Koch
$4.95Green Vinyl Plastic Double HKG3 Rubberized Magazine Pouch - Surplus This mag pouch is German military surplus, and it is compatible with all HK G3, 91, and PTR Style 20-round mags.HKP-01941$4.95