Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK MP5, HK94, HK34 Barrel - 9mm - 16.175" - Threaded 1/2x28
RCM
$249.95RCM MP5, HK34, HK94 Barrel - 9mm - 16.175"- Threaded 1/2x28 Each barrel is meticulously crafted from premium cold hammer forged (CHF) 41V45 steel, expertly profiled and chambered with a 16-flute chamber profile. Finished with a highly durable nitrided...HKP-17761$249.95 -
On Sale
HK Handguard Sling Pin - Ambi - Small - USED
H&K Heckler & Koch
Now: $42.95Was: $61.95Heckler and Koch Handguard Sling Pin - Ambi - Small - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. This ambidextrous pin will allow the user to attach a...HKP-00077-USEDNow: $42.95Was: $61.95 -
On Sale
HK MP5, AP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL
MKE
Now: $9.95Was: $49.95MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL SOLD INDIVIDUALLY - CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require...HKP-22220-BL-BNow: $9.95Was: $49.95 -
HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA
HKP HK Parts / Aimpoint
$509.95HK MP5 Burris FastFire 3.5 MOA Red Dot with Raised Optic Mount The HKP Raised optic mount was designed to elevate the sight to a height that is both comfortable and easy to view, while retaining an unobstructed view of the factory sights. Get the best...HKP-22398-M$509.95 -
HK VP9, P30 Brass Base Pad
Grayguns
$28.00Grayguns Brass Base Pads are perfect for competitors looking to add weight to their pistol. Compared to our 6061 Aluminum pads, the Brass Base Pads are significantly heavier. Weight Comparison – VP9 & P30 Brass (VP9/P30) – 28.4...HKP-22345$28.00 -
HK G36 ACR Folding Stock - Picatinny Adapter
HKP HK Parts
$359.95HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the user to swap the F5 ACR stock to other firearms and...HKP-22331$359.95 -
HK VP9A1 K Magazine Replacement Kit
H&K Heckler & Koch
$23.95HK VP9A1K Magazine Replacement Kit Magazine replacement kit with all necessary components: spring, floorplate, and locking plate. Compatible With: HK VP9A1 KHKP-22300$23.95 -
HK Mark 23 Thread Protector - Knurled - 16x1 RH
HKP HK Parts
$19.95HKP .45 ACP Thread Protector - Threaded 16x1 RH for HK Mark 23 Thread protector designed for HK Mark 23 and SOCOM barrels threaded 16x1 RH. Machined steel with a durable nitride finish and knurled exterior for secure installation and removal...HKP-22286$19.95 -
HK P7, P9 Extractor
H&K Heckler & Koch
$34.95H&K HK P7/P9 Extractor - Short / 7.65mm Removes spent casings from the chamber of H&K P7 and P9 pistols for reliable cycling. Compatible With: HK P7 K3HKP-22236$34.95 -
Out Of Stock
HK417, MR762, G36 Flash Hider - ROTEX SF - Threaded 15x1 RH
B&T Brugger & Thomet
$119.95B&T Brugger and Thomet Flash Hider fits our HK417, HK MR762, and HK G36 - ROTEX SF B&T flash hider for any 5.56/.223 or 7.62x51/.308 firearm threaded in 15x1 RH. Compatible With: HK416 HK417 HK MR556 HK MR762 HK G36 Rifles threaded 15x1 RHHKP-22162$119.95 -
On Sale
HK P30 Rail Mount Compensator - Gen 1 - Blue - Non-Threaded - BLEMISHED
HKP HK Parts
Now: $93.95Was: $189.95HK Parts Gen 1 Rail Mount Compensator, Blue, Non-Threaded - BLEMISHED for HK P30 DOES NOT INCLUDE ALLEN WRENCH COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...HKP-99083Now: $93.95Was: $189.95 -
On Sale
HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special
USA
Now: $19.95Was: $54.95HK MP5 8" Cocking Tube Extrusion - Gunsmith Special This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...HKP-99061Now: $19.95Was: $54.95