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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HK MP5, MP5K, SP89 Handguard with Handstop
HKP HK Parts
$29.95HK SP89, SP5K, MP5K - Forearm Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse Stretch Style Builds Custom MP5K/ SP89 builds Specifications: Made in the USA 922r Compliant Brand: HK Parts *Can be modified to install on MP5K-N builds with 3...HKP-17397$29.95 -
HK VP Series Curved Trigger
Lazy Wolf
$129.95C1 - Curved VP Series Trigger - Lazy Wolf Guns In a collaboration with Lazy Wolf Guns, HK Parts is offering the finest aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is a superior trigger, developed after more...HKP-18748$129.95 -
HK 91, G3 Backplate and Recoil Rod Assembly Complete
H&K Heckler & Koch
$24.95H&K 91/G3 (7.62x51 / .308) Backplate & Recoil Rod Assembly Complete Used- Surplus- in good shape. Each backplate comes in the parkerized finished as issued to the German military complete and 100% serviceable. Ready to install. This is also a...HKP-16144$24.95 -
HK Universal Hammer Spring
H&K Heckler & Koch
$9.95New HK German Rifle Hammer Spring For All.308/.223 Semi & Full Auto Trigger Packs The 308/556 hammer spring is a popular upgrade to replace the hammer spring in 9mm and clones that have light primer hits. This is the factory-correct 25 lb. weight for...HKP-00194$9.95 -
M-LOK Cantilever Rail - Light Mount
Magpul
$19.95Magpul Rail Light Mount M-LOK Designed for use with all M-LOK mounting surfaces, the M-LOK polymer cantilever rail/light mount allows the attachment of various MIL-STD-1913 Picatinny spec rail-mounted accessories such as lights and optics, and directly...HKP-20689$19.95 -
HK45 Magazine - 17 Round
HKP HK Parts / Heckler & Koch
$119.95HKP - 17 Round HK45 Magazine HK45 & HK45 tactical +7 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 17 round HK45, HK45 tactical magazine. Ideal for competition shooters that would like...HKP-20787$119.95 -
On Sale
GSG5, SIG Magazine Spring - Kimber - 1911 .22LR conversions
GSG German Sports Guns
Now: $1.99Was: $3.95GSG/Sig Sauer/Kimber Magazine Spring German-made spare magazine spring for your 10-round 1911 magazine. Compatible With: GSG5 1911 SIG Kimber & many other guns that use this style of magazine for the 1911 .22 conversions.HKP-02795Now: $1.99Was: $3.95 -
HK33, HK53, HK93 Cocking Handle - Extended
HKP HK Parts
$69.95HKP HK 93, 53, & 33 (5.56/.223) Extended Cocking Handle Extended cocking handle for the HK93/33/53 family of firearms. Each handle is designed with the looks of the HK21E/HK23E style extended cocking handle. All steel handles with an enhanced...HKP-00196$69.95 -
HK MP5, HK94 Cocking Tube Support - Steel
HKP HK Parts
$49.95MP5 All Steel Cocking Tube Support 9mm - USA: Made entirely from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at the best price. Each MP5 9mm cocking tube support will include the detent and...HKP-18040$49.95 -
HK VP9SK, P30SK Magazine - 9mm - 12 Round - Flat Floorplate
H&K Heckler & Koch
$58.95Heckler and Koch 12 Round Flush Floorplate 9mm Magazine for HK VP9SK, P30SK Factory 12-round 9mm magazine with a flush-fit floorplate designed for compact HK pistols. Provides proper fit and capacity while maintaining a low-profile grip, perfect for...HKP-20603-M$58.95 -
HK UMP & B&T APC Folding Stock
B&T Brugger & Thomet
$140.00B&T HK UMP & B&T APC Folding Stock Swiss manufactured B&T APC & UMP Folding stock. (NFA rules apply) Compatible With: HK UMP .45, .40, & 9mm HK USC (with UMP conversion) Omega GS offerings in 45, 40, & 9mm B&T APC9/10/45...HKP-17441-M$140.00 -
On Sale
HK33, HK53, HK93 Backplate - Parkerized - BLEMISHED
H&K Heckler & Koch
Now: $37.95Was: $64.95H&K 93/53/33 (5.56/.223) Backplate - Parkerized - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German backplate with the recoil assembly cup...HKP-16252-BNow: $37.95Was: $64.95