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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Out Of StockOn Sale
Match Weight HK P30SK w/ Picatinny Rail - Aluminum - Black
Match Weight
Now: $99.95Was: $194.99Match Weight HK P30SK w/ Picatinny Rail - Aluminum - Black Take your P30SK (Heckler & Koch) 9mm to the next level with our Aluminum Compensator. The 2 piece Match Weight compensator attaches with ease and only takes a few minutes to...HKP-19827Now: $99.95Was: $194.99 -
On Sale
Meprolight Universal Sight Installation Tool
Meprolight
Now: $448.95Was: $589.95Meprolight Universal Sight Installation Tool THIS PRODUCT HAS BEEN DISCONTINUED AND WE HAVE JUST A FEW LEFT. ONCE THEY ARE GONE, THEY ARE GONE FOR GOOD. This a perfect tool for gunsmiths. Each tool will allow accurate and factory-correct...HKP-02586Now: $448.95Was: $589.95 -
Out Of Stock
Michaels Machines HK PSG1/MSG90 Forward Complete Assist Assembly
Michaels Machines
$679.95US Made Forward Assist Assembly Complete This set includes all of the parts needed for the forward assist. A great set as HK Parts is the only source for the complete forward assist for your HK PSG1, MSG90, HK21E/23E, or your custom build. As shown in...HKP-00852$679.95 -
Nefarious Arms HK 416/MR556 14.5" A5 Barrel
Nefarious Arms
$694.95Nefarious Arms HK 416/MR556 14.5" A5 Barrel Each Nefarious Arms barrel is cold-hammer-forged and chrome-lined for years of accurate shooting. Grab this expertly crafted barrel for your next SBR or pistol build. Compatible With: HK 416 (A5,...HKP-21590$694.95 -
On Sale
Picatinny to Harris Bipod Adapter - Universal
HKP HK Parts
Now: $14.95Was: $33.95Harris Bipod Adapter This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-mounting bipods. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and...HKP-21528Now: $14.95Was: $33.95 -
PTR HK 93/53/33 (5.56/.223) Trigger Group - 5 U.S. 922r Parts
PTR
$389.95HK 93,33,53 5.56/.223 Semi Auto Trigger Group Complete The components that count towards 5 of the 922r compliant parts include the lower housing, trigger pack box, trigger, hammer, and sear. Includes: US Made Sear US Made Hammer US Made Trigger US Made...HKP-16259$389.95 -
PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly
PTR
$339.95PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly AR15/M16 to HK 90 series stock adapter set up for the PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock on your PTR PDW. Each adapter includes the...HKP-15753$339.95 -
RCM HK 93/53/33 (5.56/.223) Complete Bolt Head
RCM
$214.95HK 93, 33, 53 .223/5.56 Bolt Head Complete - US The latest generation style bolt head with oval shaped roller retainer plate. Perfect for 556/ .223 & 300 BLK HK or roller lock firearms. Includes: 223/556 Extractor- US Extractor Spring- HK 8mm...HKP-16722$214.95 -
RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 RH
RCM
$269.95RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 RH US made HK Mark 23 tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. Specifications: Made In The USA Double Stress Relieved Nitrided Finish To...HKP-20606$269.95 -
RCM HK MP5 10mm Barrel - Threaded 9/16x24
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...HKP-21158$279.95 -
RCM HK SP5K Semi Auto Carrier
RCM
$159.95RCM HK SP5K Semi Auto Carrier SP5K semi-auto carrier machined completely from billet ordnance steel. RCM US made SP5K carrier is made to the most updated and latest SP5K specs and more. Tungsten filled, heat treated, phosphate finish and all...HKP-20983$159.95 -
RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH
RCM
$164.95RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and HK51K style projects. Specifications: Made In The...HKP-02392$164.95 -
Safariland HK VP9/P30 Compact LH Paddle Holster
Safariland
$59.95Safariland HK VP9/P30 Compact LH Paddle Holster The Safariland 578 GLS HK Pro-fit holster is a multi-purpose holster primarily designed for concealment & comfort. With minor adjustments with the included tool the holster will fit over 100+ handgun...HKP-17545$59.95 -
Safariland HK VP9/P30 Compact LH Paddle Holster - Black
Safariland
$47.95Safariland HK VP9/P30 Compact LH Paddle Holster - Black The Safariland 578 GLS HK Pro-fit holster is a multi-purpose holster primarily designed for concealment & comfort. With minor adjustments with the included tool the holster will fit over 100+...HKP-17548$47.95 -
Safariland HK VP9/P30 RH Paddle Holster - FDE
Safariland
$57.95578 - GLS Pro-Fit Holster, Paddle, & Belt Loop Combo: The Model 578 GLS Pro-Fit brings the unique GLS (Grip Lock System) and SafariSeven together in a holster designed to fit a wide variety of guns. The Pro-Fit is customizable and adjusts to securely...HKP-17544$57.95 -
On Sale
Sig Sauer SIGTAC Belt Loop - Black
Sig Sauer
Now: $8.95Was: $14.95Sig Sauer SIGTAC Belt Loop - Black ITAC Belt loop adapter attaches to any of Sig's paddle retention holsters and mag pouches as a direct replacement of the paddle for closer profile concealed carry. This part allows you to hang holsters/mag pouches from...HKP-02039Now: $8.95Was: $14.95 -
Out Of Stock
Streamlight TLR-8 Light & Green Laser Combo
Streamlight
$349.95Streamlight TLR-8 Light & Green Laser Combo Performance night and day. The small and mighty TLR-8 G with a green laser and side switch securely fits a broad range of full-size and compact handguns. The green laser is visible even in daylight...HKP-19584$349.95 -
Strike Industries HK MP5 Stock with Cheek Riser
Strike Industries / HKP
$349.95Strike Industries HK MP5 Stock with Cheek Riser The Strike FSA folder paired with our MP5 picatinny adapter is one of the best options on the market for weight reduction and compact profile. The adjustable cheek riser allows the user to dial in the stock...HKP-21497-M$349.95 -
Talon Grip HK P30 Rubber - Medium - Black
Talon Grip
$19.99TALON Grip - H&K P30 - Rubber Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...HKP-20252$19.99 -
TBR HK MR762 Operator Brass Catcher - Black
TBR Tactical Brass Recovery
$229.95Operator Brass Catcher for HK MR762 Operator model for HK MR762 rifle. Slightly different from other AR platform rifles because the HK MR762 has a bit higher rail to bore centerline dimension. This 4 position detent feature allows 180 degrees of motion...HKP-19149$229.95 -
Out Of Stock
Tommy Built HK G36 AR Stock Adapter
Tommy Built
$249.95Tommy Built HK G36 AR Stock Adapter G36 Hinge with AR Buffer Tube Mount. This can be used to adapt various AR Style Stock and Braces to the HK G36 Receiver Hinge.HKP-18852$249.95 -
On Sale
TPM - .22 Full Port Muzzle Brake - Titanium
Tactical Precision MFG
Now: $59.95Was: $84.99Full Port Muzzle Brake - .22 Cal - 1/2x28 This titanium muzzle brake is designed by a master gunsmith and is one of the best and lightest on the market. The spiral port outlets along with the parabolic internal taper significantly reduces recoil while...HKP-20771Now: $59.95Was: $84.99 -
On Sale
TPM - Grenade Bolt Knob - Titanium
Tactical Precision MFG
Now: $36.75Was: $48.99TPM - Grenade Bolt Knob - Titanium TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Can also fit any 5/16x24 threaded bolt handle. Grenade Bolt Knob - Titanium Dimensions: 1.90" x 7/8" x...HKP-20776Now: $36.75Was: $48.99 -
Out Of Stock
USA HK MP5/MP5K T1/H1 Aimpoint Low Mount
USA
$49.95Aimpoint T1 & H1 Low Profile Mount For HK MP5, MP5K New US manufactured scope mount that is similar in style as the revered B&T optics mount only made right here in the USA. All aluminum and made to last with a price that is attractive & hard...HKP-17117$49.95 -
On Sale
Victory Operational Works HKVP9 Crusader Holster - Right Hand - Multicam Original
Victory Operational Works
Now: $124.95Was: $159.95Victory Operational Works HKVP9 Crusader Holster - Right Hand - Multicam Original The Crusader fabric series holster is a modular multi-mission capable holster platform offering two carry options, IWB & OWB including the hardware needed for both...HKP-20303Now: $124.95Was: $159.95 -
Warrior Holster - OWB - RH - HK VP40 - HKP
Comp-Tac
$79.95Warrior Holster - OWB - RH - HK VP40 - HKP The Warrior Holster design offers a stealth footprint, outside the waistband carry that is perfect for OWB concealment. Easily accessible, designed for a smooth, fast draw the Warrior's close-fitting footprint...HKP-18998$79.95 -
XS Sight Systems HK P7 M8 & M13 DXT2 Big Dot Orange
XS Sight Systems
$155.95DXT2 XS Big Dot Orange Night Sights - HK P7 M8, P7 M13 XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch...HKP-19279$155.95 -
XS Sight Systems HK P7 PSP DXT2 Big Dot Orange
XS Sight Systems
$149.95DXT2 XS Big Dot Orange Night Sights - HK P7 PSP XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch rear for...HKP-19281$149.95 -
B&T 19 Round BT USW-A1 9mm Magazine - Black
B&T Brugger & Thomet
$49.95B&T 19 Round BT USW-A1 9mm Magazine - Black New Swiss B&T manufactured 19 Round magazine Compatible With: USW-A1 9mm Specifications: Factory new condition 19-round capacity 9mmHKP-18354$49.95 -
B&T HK MP5K, HK SP89, HK SP5K Folding Stock/Length Adjustable Helmet Stock - Black
B&T Brugger & Thomet
$379.95B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Swiss made B&T folding and length adjustable helmet stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units...HKP-18101$379.95 -
On Sale
Blade-Tech HK 45C Nano IWB LH Holster - Black
Blade-Tech
Now: $44.95Was: $79.95Blade-Tech HK 45C Nano IWB LH Holster - Black The Nano IWB holster is one of the most popular concealment holsters. It is ultra-thin, being constructed of the same tough materials we use on all our Classic handmade, custom and semi-custom holsters. It is...HKP-16282Now: $44.95Was: $79.95 -
CFG Low Profile Rear Sight Base Mount - 10 Slot
CFG
$119.95CFG Low Profile Rear Sight Base Mount - 10 Slot This new offering is a neat low profile offering that allows the user to replace the rear sight and add an extremely low profile super robust picatinny optic mount to your HK MP5, MP5K firearm. Made in the...HKP-18236$119.95 -
Comp-Tac HK USP 9mm / .40 S&W Single Mag Pouch
Comp-Tac
$37.95HK USP Full Size 40 Single Mag Pouch The Comp-Tac single magazine pouch is an outside the waistband holder to carry a spare magazine for competition, concealed carry or general use. The Comp-Tac single magazine pouch provides a rigid material that is...HKP-17499$37.95 -
Comp-Tac HK VP40 International LH Holster - Black
Comp-Tac
$79.95Comp-Tac HK VP40 International LH Holster - Black The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for competition shooting,...HKP-17471$79.95 -
Comp-Tac HK VP9SK AIWB eVade RH Holster - Black
Comp-Tac
$59.95Comp-Tac HK VP9SK AIWB eVade RH Holster - Black The eVade Holster is designed for easy as well as deep concealment in the Appendix Inside the Waistband (AIWB) position. The eVade's holster body is made of aircraft grade Kydex which provides the smoothest...HKP-18919$59.95 -
Evolution Gun Works HK USP Full Size Vortex Razor Mount
Evolution Gun Works
$49.95Evolution Gun Works HK USP Full Size Vortex Razor Mount Included: Mounting hardware Features: Material: 7075 aluminum Coating: matte black hardcoat Overall length: 1.831" Overall width: 1.062" Mounting hardware: (2) 8-32 button head screws, (1)...HKP-20044$49.95 -
F5 MFG 50 Round HK MP5/MP5K 9mm Drum - Burnt Bronze
F5 MFG
$199.0050 Round Drum - 9mm - Burnt Bronze - MP5, MP5K HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum Magazine...HKP-19218$199.00 -
On Sale
FMP HK 21 Stripped Bolt Carrier
Now: $387.95Was: $499.95FMP HK 21 Stripped Bolt Carrier New old stock stripped HK21 FMP Full auto bolt carrier. It is missing the catch lever assembly (see pictures). May have storage marks or light rust on the unfinished bottom portion. Long since out of production and no...HKP-20034Now: $387.95Was: $499.95 -
On Sale
Franklin Armory BFSIII CZ-S1 CZ Scorpion Straight Trigger
FA Franklin Armory
Now: $467.99Was: $499.95Franklin Armory BFSIII CZ-S1 CZ Scorpion Straight Trigger The BFSIII for CZ Scorpion is a 3-Position Trigger. In position 3 it will fire 1 round on pull and 1 round on release. This makes it the fastest semi-automatic trigger on the market. The BFSIII is...HKP-19793Now: $467.99Was: $499.95 -
Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group
FA Franklin Armory
$879.95Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group 3 Position HK Binary Trigger Group for the MP5 40, MP5 10mm firearms Binary triggers count as 4 922r compliant components. The components that count towards...HKP-19663$879.95