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.
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HK416, MR556, HK417, MR762 Trigger Axle
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/417/416 Trigger Axle Axle for Trigger. Compatible With: HK MR556 HK 416HKP-16623$19.95 -
On Sale
HK45 Mag Pouch - Twin
Comp-Tac
Now: $53.96Was: $59.95Comp-Tac HK 45 Twin Mag Pouch 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...HKP-17501Now: $53.96Was: $59.95 -
HK P Series Complete Spurred Hammer
H&K Heckler & Koch
$54.95H&K HK P Series Complete Spurred Hammer New German HK spurred hammer complete. Compatible With: All non LEM pistol below: <HKP-16540$54.95 -
HK USP, USP Compact .45 ACP New Style Extractor
H&K Heckler & Koch
$50.95New Style Extractor New HK German part with red loaded chamber indicator. Compatible with: USP 45, USP 45 TacticalHKP-01478$50.95 -
On Sale
HK45 Thread Protector - 16x1 LH - HKP
HKP HK Parts
Now: $15.96Was: $19.95HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH This new style .45 ACP tactical thread protector fits all HK45 full-size and compact barrels with 16x1 LH threads. Essential for protecting...HKP-18004Now: $15.96Was: $19.95 -
HK G36, SL8 Cocking Handle Axle Pin
H&K Heckler & Koch
$14.95HK German G36 & SL8 Cocking Handle Axle Pin This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. CoHKP-01877$14.95 -
Out Of Stock
HK UMP, USC Rear Sight, Complete
H&K Heckler & Koch
$45.95HK Heckler and Koch Complete Rear Sight for USC and UMP Includes: Leaf spring Rear sightHKP-16634$45.95 -
On Sale
HK UMP, USC Factory Cleaning Kit - .45 ACP
HKP HK Parts / Heckler & Koch
Now: $71.96Was: $79.95Cleaning Kit For HK USC & UMP .45 ACP Subguns This Cleaning kit a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad cleaning roHKP-01055Now: $71.96Was: $79.95 -
HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - 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...HKP-18889$139.95 -
On Sale
HK MP5, MP5K Magazine Body - .40 S&W, 10mm - 30 Round - Straight
HKP HK Parts
Now: $20.97Was: $29.95HKP MP5 40/10 30 Round Magazine Body New US Made MP5 40/10 30 Round Magazine Housing Body. Each magazine body comes black in color. Each body counts as one US made compliant part and is a great item...HKP-16508Now: $20.97Was: $29.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Straight
H&K Heckler & Koch
$237.95German H&K MP5 9mm 30 Round Straight Magazine Original German HK magazines ranging from VG to like new condition. Date coded with factory HK markings. These rare magazines were discontinued by HK...HKP-16263$237.95 -
On Sale
HK VP9 EDC Magwell - Ultra Low Profile
HKP HK Parts
$38.22 - $59.95HKP HK VP9 EDC Magwell - Ultra Low Profile The smallest and most streamlined EDC magwell for the HK VP9, now featuring a fully functional funnel designed for rapid, seamless reloads. Crafted from...HKP-22190-M$38.22 - $59.95