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 HK G3/HK 91/PTR Parts Kit - PTR Barrel, Flat - Hand Picked
H&K Heckler & Koch
$1,099.95G3, 91 Hand Picked Parts Kit - Barrel, Flat Features: Handpicked stock set Handpicked housing, grip Handpicked magazine Handpicked end date coded bolt group New cocking tube included Full-auto bolt group PTR 18" GI barrel - 5/8 x 24 Please note: Each...HKP-20071$1,099.95 -
H&K HK MR556/416 Ejector For Bolt Head
H&K Heckler & Koch
$23.95H&K HK MR556/416 Ejector For Bolt Head HK German factory part. Compatible With: MR556 HK 416HKP-00037$23.95 -
H&K HK MR556/416 Operators Manual
H&K Heckler & Koch
$39.95New Latest Print Production HK German 416 & MR556 Operators Manual Each manual is 62 pages and is the go to resource to maintain, clean, and become well versed with the HK 416 and MR556 series of weapon systems.HKP-00054$39.95 -
H&K HK MR556/416/G36 Cleaning Kit
H&K Heckler & Koch
$79.95HK Factory German G36, HK416, & MR556 Complete Cleaning Kit Each kit includes the following parts: Saf-T-Clad cleaning rod Accessory adapter section #8-32 Patch holder Chamber cleaning brush Bore cleaning brush Double-ended utility brush Formula 3...HKP-00035$79.95 -
H&K HK MR556/MR762/416/417 Disconnector Spring
H&K Heckler & Koch
$5.95HK416, HK417, MR556, & MR762 Disconnector Spring- Short This is the shorter spring of the 2 found in the trigger assembly. Compatible With: MR556 MR762 HK 416 HK 417HKP-02675$5.95 -
H&K HK MR762/417 Recoil Buffer Spring
H&K Heckler & Koch
$49.95H&K HK MR762/417 Recoil Buffer Spring A must have wear and replacement part for your, HK 417 & MR762 firearm.HKP-16608$49.95 -
H&K HK USP/USPC/45/45C Sear Roll Pin
H&K Heckler & Koch
$6.95Sear Roll Pin HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK45 HK45 CompactHKP-01815$6.95 -
Out Of Stock
H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned
H&K Heckler & Koch
$249.95H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned Introducing the universal 3 position burst pictogram housing for HK MP5, SP5, and .40/10 firearms. This new factory...HKP-19801$249.95 -
Out Of Stock
H&K MP5/94 9mm Recoil Rod & Spring Assembly Complete-Used
H&K Heckler & Koch
$35.95HK MP5 & HK94 9mm Recoil Rod & Spring Assembly Complete - UsedHKP-00667$35.95 -
H&K P30/45 Series Cylindrical Pin
H&K Heckler & Koch
$9.95H&K P30 & 45 Series Cylindrical Pin Compatible With: HK 45 HK 45 Compact HK P30 HK P30 V2 HK P30 V3 HK P30L HK P30L V2 HK P30L V3HKP-01808$9.95 -
HK 91/G3 (7.62x51/.308) Bolt Head Complete - US Made
$149.95Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible With: HK 91 HK G3 PTR-91 SAR3/8 Other HK .308 Clones or...HKP-00839$149.95 -
HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black
USA
$79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston - Black Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it...HKP-14540$79.95 -
HKP 50 Round GSG-522/GSG-16 Drum Magazine - Translucent
HKP HK Parts
$79.95HKP 50 Round GSG-522/GSG-16 Drum Magazine - Translucent Compatible With: GSG-16 GSG5 GSG5PK GSG522 GSG5-SD Please note: This magazine will not fit the HK Walther/Umarex MP5-A5 or SD models (we have one that works for the HK MP5 .22 in the MP5 .22...HKP-16234$79.95 -
HKP HK G36/SL8 (5.56/.223) Aftermarket Side Rail Left Or Right
HKP HK Parts
$25.95G36 & HK SL8 Aftermarket Side Rail Left Or RightHKP-00286$25.95 -
HKP HK USP/Tactical .45 ACP Rail Mount Compensator for Threaded Barrel
HKP HK Parts
$189.95HKP HK USP/Tactical .45 ACP Rail Mount Compensator with Threaded Barrel Crafted from aircraft-grade billet aluminum and finished in durable cerakote. Features multiple muzzle ports and the additional weight to significantly reduce both muzzle flip and...HKP-21343$189.95 -
HKP MP5 & HK94 Vented Wide Forearm - Vertical
HKP HK Parts
$44.95HKP MP5 & HK94 Vented Wide Forearm - Vertical New US manufactured (922r compliant) HK MP5 & HK94 vented wide handguard with the 90 degree vents. This style of venting allows better handling and superior barrel cooling abilities. Available...HKP-16856$44.95 -
Magpul HK G3 / HK 91 PRS Gen 3 Stock
Magpul
$429.95Magpul HK G3 / HK 91 PRS Gen 3 Stock - Available in Multiple Color Options The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment. With solid adjustments...HKP-21171-M$429.95 -
MFI HK 93/33 (5.56/.223) Low Profile Scope Rail Extended - 8.5 inch
MFI
$189.95MFI 8.5 Inch Mounting Rail For HK 93, 33, Style Receivers The MFI extended scope rail is a quick and easy solution to add a Picatinny top rail to your HK receiver without modifications. The low-profile rail does not impede the iron sights. The rail uses...HKP-01829$189.95 -
MI HK93/33 M-LOK Handguard - Black
MI Midwest Industries
$175.95MI HK93/33 M-LOK Handguard - Black Brand new Midwest Industries M-LOK handguard for your HK93, HK33, G3K or similar clone. This is also the correct forearm to use on PTR models that use a shorter 9" length or carbine length forearm. Features: Made in...HKP-18440$175.95 -
PTR PDW Pistol Full Auto Bolt Carrier 7.62
PTR
$330.95PTR PDW Full Auto Carrier - Tungsten Made by PTR using the same blueprints and materials the German HK factory uses has allowed PTR91 to manufacture the finest of HK style firearms here in the US. The PDW F/A carrier is another example of superior...HKP-20165$330.95 -
RCM HK P30 .40 S&W Tactical Barrel - Threaded 9/16x24 RH
RCM
$225.00RCM HK P30 .40 S&W Tactical Barrel - Threaded 9/16x24 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 P30 .40...HKP-16714$225.00 -
Safariland HK VP9/P30 RH Paddle Holster - Black
Safariland
$59.95Safariland HK VP9/P30 RH 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+ handgun...HKP-17409$59.95 -
Sale
SB Tactical AR 20 Round Mag Pouch - Black
SB Tactical
Now: $23.95Was: $39.95SB Tactical AR 20 Round Mag Pouch - Black The SB Tactical mag pouch is a quick access accessory. This accessory is perfect for when your weapon is stored or when you need a backup magazine in tactical situations. The adaptor is a perfect fit for the...HKP-19131Now: $23.95Was: $39.95 -
Shield Sights HK VP9 Mini Sight and Mount - 8MOA - Poly Lens
Shield Sights, HKP HK Parts
$279.95Shield Sights Mini Sight and Optic Plate Bundle Includes: Shield Mini Sight, 8MOA, poly kens VP9 aluminum optic plate ***All three of our Shield Sight offerings are reflex style red dot sights. They differ in lens material (glass vs poly) and...HKP-20573$279.95 -
Surefire HK MR556/416 (5.56/.223) Muzzle Brake/Suppressor Adapter - Threaded 1/2x28
Surefire
$165.00Surefire HK MR556/416 (5.56/.223) Muzzle Brake/Suppressor Adapter - Threaded 1/2x28 The SureFire muzzle brake is designed for M4, M16, HK 416, and MR556 weapons with 1/2-28 muzzle threads. It significantly reduces recoil impulse and muzzle rise,...HKP-17378$165.00 -
Timney HK MP5 9mm 2-Stage Trigger Complete
Timney Triggers
$569.95Timney HK MP5 9mm 2-Stage Trigger Complete The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing...HK-20511 -SP5$569.95 -
AIM HK 91/G3 (7.62x51/.308) Rifle Length Handguard - Keymod
AIM
$64.95HK 91, G3, PTR RIFLE LENGTH HANDGUARD - KEY MOD This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all KeyMod accessories. Superior ergonomics and simple, drop-in installation makes this the best HK...HKP-18179$64.95 -
B&T 30 Round BT USW-A1 9mm Magazine - Black
B&T Brugger & Thomet
$49.95B&T 30 Round BT USW-A1 9mm Magazine - Black New Swiss B&T manufactured 30-Round magazine for the USW-A1 9mm. These B&T's USW replacement magazines feature the same reliability as the mags that ship with new B&T firearms. These high...HKP-18353$49.95 -
B&T HK G36, HK SL8 Quad Rail Handguard - Black
B&T Brugger & Thomet
$379.95B&T Handguard Quad Rail For HK G36, SL8 New B&T Swiss manufactured G36, SL8 quad rail system. Each unit comes with the complete quad rail as well as the rail covers and sling swivel for a sling. The B&T offering is the finest G36 quad rail...HKP-16897$379.95 -
Comp-Tac HK P30/30L/45/45C MTAC RH Holster - Black
Comp-Tac
$94.95HK P30, P30L, HK45, HK45C MTAC Holster - Right Hand The MTAC is an inside the waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster offers the best in comfort and speed...HKP-17476$94.95 -
Comp-Tac HK P30/HK45C International RH Holster - Black
Comp-Tac
$84.95Comp-Tac HK P30/HK45C International RH Holster - Black The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for...HKP-19585$84.95 -
Sale
ETS 21 Round HK VP9 9mm Magazine - Translucent
Now: $13.95Was: $21.9921 Round Magazine - Elite Tactical Systems - 9mm - HK VP9 Features: Extended 21-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Easy disassembly with our specially designed base plate Ergonomically designed...HKP-19196Now: $13.95Was: $21.99 -
Sale
ETS Glock 17 17-Round 9mm Magazine - Translucent
Elite Tactical Systems
Now: $13.95Was: $21.95ETS Glock 17 17-Round 9mm Magazine - Translucent Features: Standard 17-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-18759Now: $13.95Was: $21.95 -
F5 MFG 50 Round HK MP5/MP5K 9mm Drum - OD Green
F5 MFG
$199.0050 Round Drum - 9mm - OD Green - 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 designed...HKP-19216$199.00 -
GSG9 HK G36K AR Rifle Kit
GSG9
$1,849.95GSG9 HK G36K AR Rifle Kit Complete G36K AR Parts Kit with Folding Stock. Includes all parts needed for a complete build aside from the receiver. This kit has a an AR15 1/2 X 28 threaded barrel and flash hider. This kit uses standard G36 magazines as well...HKP-19130$1,849.95 -
H&K 416 Flip Up Rear Sight-2mm-FDE
H&K Heckler & Koch
$339.99FDE HK 416, MR556 & 417 Flip Up Rear Sight (Diopter 3mm Sight) Attaches to any standard picatinny rail. No hardware needed as this is a self contained quick attach rear sight assembly. This unique HK designed sight features a quick & easy push...hkp-18500$339.99 -
H&K 10 Round HK USPC/P2000 9mm Floor Plate w/ Pinky Rest - Black
H&K Heckler & Koch
$8.95H&K 10 Round HK USPC/P2000 9mm Floor Plate w/ Pinky Rest - Black Compatible With: HK USP Compact 9mm HK P2000 9mmHKP-01201$8.95 -
H&K 10 Round HK USPC/P2000 Magazine Body - Black
H&K Heckler & Koch
$24.9510 Round HK USPC & P2000 Magazine Body - BlackHKP-02499$24.95 -
H&K 93/53/33 (5.56/.223) Surplus Fixed Stock - A2 - Dark OD Green
H&K Heckler & Koch
$139.95Surplus - Fixed Stock - Dark OD Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings...HKP-18889$139.95 -
H&K 9mm Thread Protector - Threaded 1/2x32 RH
H&K Heckler & Koch
$39.95H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...HKP-00108$39.95