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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HKP HK MP5 Picatinny Rail Stock Adapter
HKP HK Parts
$134.95HKP HK MP5 Picatinny Rail Stock Adapter Our rail stock adapter allows you to attach any 1913 Style Stock or brace to your MP5. The 1913 style stocks & braces lock in place and provide a better cheek weld hieght option than many traditional stock...HKP-21426$134.95 -
On Sale
HKP HK Push Pin Navy Binary Trigger Group - Engraved - RAL 8K - BLEMISHED
FA Franklin Armory / HKP
Now: $799.95Was: $1,499.95Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K HK Push Pin Navy PLEASE NOTE: SOLD AS-IS DUE TO THE PICTOGRAM PAINT BEING BLEMISHED - SEE PHOTOS. 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest...HKP-21292-BNow: $799.95Was: $1,499.95 -
HKP HK VP40/Tactical Bench Mat - Black
HKP HK Parts
$13.95VP40 & VP40 Tactical Gunsmithing Bench Mat This isn't your ordinary gun cleaning mat. Show your pride for your VP40 firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen...HKP-18159$13.95 -
On Sale
HKP HK33 11" RH Cocking Tube
HKP HK Parts
Now: $74.95Was: $99.95HKP HK33 11" Right Hand Cocking Tube This is the one and only right handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German cocking tube. Overall length is 11".HKP-18692Now: $74.95Was: $99.95 -
HKP MP5 10mm Pistol Build Kit
HKP HK Parts
$2,299.95MP5 10mm Build Kit With Flat, Top Rail & Weldment Set HK Parts MP5 Build Kit is the best priced value available anywhere. There is a limited supply and they will be gone before you know it. The MP5 10mm parts kit comes complete with all the parts...HKP-18409$2,299.95 -
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 -
PTR Locking Piece HK MP5, HK SP5 , HK MP5K, HK SP5K - 100 Degree
PTR
$39.95PTR Locking Piece HK MP5, HK SP5 , HK MP5K, HK SP5K - 100 Degree This PTR 100 degree locking piece is a great replacement for your worn out locking piece or to replace the 110 degree locking piece from a MP5K. The MP5 100 degree locking piece is the...HKP-20342$39.95 -
PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw
PTR
$4.95PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.HKP-16743$4.95 -
On Sale
RCM HK 53 Locking Piece #15 - 65 Degree
RCM
Now: $49.95Was: $74.95RCM HK 53 Locking Piece #15 - 65 Degree The #15 LP is the correct locking piece for the HK53 and several other custom-build applications. The locking piece is the timing mechanism that a delayed roller lock firearm uses to tell...HKP-02524Now: $49.95Was: $74.95 -
SureFire SOCOM (7.62x51/.308) Muzzle Brake - Threaded 5/8x24
Surefire
$164.95SureFire SOCOM (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 The SureFire muzzle brake is designed for Armalite AR-10, DPMS LR308, and other 7.62 mm rifles with 5/8x24 muzzle threads. It greatly reduces recoil impulse and muzzle rise, featuring neutral...HKP-19789$164.95 -
On Sale
TPM Sig P365 +3 Magazine Extension
Tactical Precision MFG
Now: $24.95Was: $44.95TPM Sig P365 +3 Magazine Extension This extension is made from machined 6061 Aluminum. This magazine extension will increase capacity, increase reload speed and mag drops, and overall functionality of your pistol. Available in various colors to customize...HKP-21278-MNow: $24.95Was: $44.95 -
Comp-Tac HK USP .45 ACP Twin Mag Pouch - Black
Comp-Tac
$60.95Comp-Tac HK USP .45 ACP Twin Mag Pouch - Black The Comp-Tac Twin Magazine Belt pouch is an outside the waistband holder that carries two magazines attached together. Designed to be worn at 9:00 for a right handed shooter this is an excellent way to carry...HKP-17495$60.95 -
FMP HK G3 (7.62x51/.308) Parts Kit (HK Contract)
FMP
$397.95HK Contract Portuguese FMP G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit with the exception of the barrel and receiver. As per BATFE import...HKP-17694$397.95 -
Grayguns HK P7M8, PSP, P7M13 Trigger Return Spring
Grayguns
$35.00Grayguns HK P7M8, PSP, P7M13 Trigger Return Spring The Grayguns HK P7 Trigger Return Spring was designed due to the dwindling availability of parts for the highly popular Heckler & Koch P7. The Grayguns spring is a direct replacement for the...HKP-19760$35.00 -
H&K 10 Round HK USPC/P2000 .40 S&W Magazine Body - Black
H&K Heckler & Koch
$24.95H&K 10 Round HK USPC/P2000 .40 S&W Magazine Body - BlackHKP-02499$24.95 -
H&K HK 45/45C Left Side Safety Lever - Black
H&K Heckler & Koch
$37.95HK 45/45C Left Side Safety Lever - Black This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame. This is the V1 selector with a decocking function and safety...HKP-01770$37.95 -
H&K HK G36C Complete Rear Stock Assembly - Black
H&K Heckler & Koch
$199.95HK G36C Rear Stock Assembly Complete - German Genuine German Heckler & Koch G36C rear stock assembly. One full inch shorter than the standard G36 stock. This is the preferred stock for average-height users. Compatible With: G36 G36K G36C G36E SL8 to...HKP-00626$199.95 -
H&K HK SL8/G36 Gas Piston Rod Spring Assembly
H&K Heckler & Koch
$69.95HK German G36 & SL8 Gas Piston Rod Spring Assembly Great for spare parts or to use on that HK SL8-G36 conversion. This is a high-wear item and a must-have spare part. Compatible With: SL8-6, SL8-1 G36E, G36 full sizeHKP-02000$69.95 -
H&K HK UMP & HK USC Extended Top Rail For Optics with Screws
H&K Heckler & Koch
$99.95H&K HK UMP & HK USC Extended Top Rail For Optics with Screws This rail is nearly an 1" longer than the standard length top rail. This Picatinny top rail allows the user to add an Eotech, Aimpoint, Acog, etc. This unit is the best quality &...HKP-20502$99.95 -
H&K HK USP Series Hammer Strut Pin
H&K Heckler & Koch
$7.95HK USP Series Hammer Strut Pin Cylinder Pin ISO 8750 - 1.5 x 8mm. Compatible With: HK USP 9mm HK USP 40 S&W HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACPHKP-01633$7.95 -
H&K HK USP/USPC Lock Out Key
H&K Heckler & Koch
$11.95HK USP & USPC Lock Out Key A great spare that fits all USP & USPC models and variants.HKP-01409$11.95 -
H&K HK VP9/VP9SK, HK VP40 Insert
H&K Heckler & Koch
$16.95H&K HK VP9/VP9SK, HK VP40 Insert Insert for HK VP9, VP40. Compatible With: HK VP9 HK VP9SK HK VP40HKP-16801$16.95 -
H&K HK VP9/VP9SK, VP40 Polymer Support Sleeve - Black
H&K Heckler & Koch
$8.95H&K HK VP9/VP9SK, VP40 Polymer Support Sleeve - Black New HK German VP9 & VP40 support sleeve made of polymer. A great replacement part to have on hand as they are easily marred when you depress the sleeve to access the firing pin or slide plate.HKP-16830$8.95 -
H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch - Black
H&K Heckler & Koch
$19.95H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch - Black New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK HK VP40, VP40 TacticalHKP-16817$19.95 -
H&K MP5 40/10 Bolt Hold Open Lever
H&K Heckler & Koch
$74.95MP5 40, MP5 10 Bolt Hold Open Lever - German HK - New A great upgrade for the out-of-spec and sub-par quality part found on clone builds. Compatible With: MP5 40 MP5 10mm MP5 .357 Sig MP5 9 X 25 DillonHKP-01471$74.95 -
H&K MP5/MP5K 3-Lug Blank Firing Adapter
H&K Heckler & Koch
$139.95H&K MP5/MP5K 3-Lug Blank Firing Adapter This part attaches to the end of the 3-lug barrel tip and will allow the use of 9mm blanks for training. A brand new HK German manufactured part. Specifications: 3-Lug Blank Firing Adapter Compatible...HKP-01990$139.95 -
Out Of Stock
HK 91/G3 (7.62x51/.308) Cocking Tube - Lefties
$79.95HK91, G3, PTR Full Size Cocking Tube - For Lefties This is the one and only left handed cocking tube for the HK G3 & HK 91 Full Size and it happens to be a US manufactured part. Hard to find. Perfect for the custom project or HK91, HKG3 build.HKP-18925$79.95 -
$79.95 -
HKP +5 HK Mark 23 & HK USP .45 Magazine Extension - Cerakote Red
HKP HK Parts
$59.95HKP +5 HK Mark 23 & HK USP .45 Magazine Extension - Cerakote Red USP45 & Mark 23 +5 magazine extension adds five additional rounds to the 12 round factory USP45 & MK23 tactical magazine. Super easy to install simply add the mag extension to...HKP-20633$59.95 -
HKP 90 Series F1 Flat Trigger - Skeletonized
HKP HK Parts
$59.95HKP 90 Series F1 Flat Trigger - Skeletonized The HK Parts Skeletonized F1 flat 90 series trigger is expertly engineered for exceptional performance and reliability. It fits all 0, 1, SEF, and Navy style trigger packs effortlessly. Machined from...HKP-21580$59.95 -
On Sale
HKP Flat Brim Snapback Hat - Black
HKP HK Parts
Now: $13.45Was: $19.95HKP Flat Brim Snapback Hat - Black Get your hands on some of our premium hats! Official HKP merchandise 5" wide HKP logo 100% cotton Structured 4 sewn eyelets Matching color sweatband Plastic adjustable snap Firm front panel Size: OSFM - Adult...HKP-20462Now: $13.45Was: $19.95 -
HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel
HKP HK Parts
$24.95HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel Specifications: Made in the USA Made from stainless steel Compatible With: HK 93/53/33HKP-17798$24.95 -
On Sale
HKP HK P30SK Stand Off Device - Black
HKP HK Parts
Now: $78.95Was: $109.95HKP HK P30SK Stand Off Device - Black The P30SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger). The ulimate component for close quarters...HKP-19191Now: $78.95Was: $109.95 -
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 HK VP9/P30 +5 Magazine Extension Kit - Gray
HKP HK Parts
$39.95HKP HK VP9/P30 +5 Magazine Extension Kit - Gray GEN 2 MODEL NOW SHIPPING! Upgrade your HK VP9 or P30 magazine capacity with the HKP +5 Magazine Extension Kit. Designed for a quick and easy swap of the floor plate and high-reliability magazine spring,...HKP-18400$39.95 -
Out Of Stock
HKP MP5SD 9mm Barrel - Threaded 18x1
HKP HK Parts
$169.95HKP MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from 416 stainless steel, this high-quality barrel undergoes the highly desirable nitride process for a super hard, durable finish. Precision milled to the latest specifications, it features...HKP-17755$169.95 -
JMAC Universal M-LOK Skeleton Forward Grip
JMAC Customs
$89.95JMAC Universal M-LOK Skeleton Forward Grip Can be used as a forward grip or a handstop! Features: Reversible and Lightweight M-LOK Compatible (Requires 2 slots) Fits in and across M-LOK Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat...HKP-21240$89.95 -
KDG HK MR762, HK 417, HK G28 Ambidextrous Magazine Release - Black
KDG Kinetic Development Group
$169.95Magazine Release - Ambi - HK MR762, 417, G28 The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles. The mag release is a lever instead of a button; where the release has been...HKP-19204$169.95 -
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-21172-M$429.95 -
Meprolight HK USP Tru-Dot Compact Night Sights - Green
Meprolight
$134.95Meprolight HK USP Tru-Dot Compact Night Sights - Green HK Factory OEM part: 701973 HK uses these as their OEM night sight. Features: Green Front & Green Rear Tritium Unequaled Light Performance Brightest Night Sights Available Today Used by Military...HKP-01908$134.95