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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HK33, HK33K, HK93 Recoil Spring
H&K Heckler & Koch
$8.95HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible With: HK 93 HK33 HK33K Clones or other custom buildsHKP-02097$8.95 -
HK MP5K 9mm SEF Navy Style Trigger Housing - Push Pin
H&K Heckler & Koch
$159.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push-pin firearms that do not require clipped and pinned housing...HKP-02463$159.95 -
Out Of Stock
HK Semi Auto Shelf, Hanger Block For Receiver
HKP HK Parts
$13.95HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...HKP-17572$13.95 -
AR-15 Stabilizing Brace - 5 Position Adjustable - SBA3
SB Tactical
$134.95SBA3 - 5 Position Adjustable Stabilizing Brace - AR15 Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is a 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an...HKP-18646$134.95 -
HK VP9 Magazine - 25 Round
HKP HK Parts / Heckler & Koch
$83.95H&K / HKP 25 Round HK VP9 Magazine – Black Anodized Drop-in magazine ready to go! HK Parts takes an existing 15 round magazine and a +10 magazine extension to assemble them into a working 25 round magazine. Compatible With: HK VP9, VP9...HKP-20897$83.95 -
Out Of Stock
HK416 Full Auto Ambi Selector Lever Kit - 3 Position Polymer Selectors
H&K Heckler & Koch
$159.95HK416 Full Auto Ambi Selectors Kit - German HK - 3 Position Each set comes complete with everything you will need to upgrade your HK 416 to an ambi selector lever set up. The HK 416A5 polymer selector levers will be helpful for a quick visual...HKP-20398$159.95 -
HK VP9, VP9SK, VP40 Trigger Safety Latch Axle
HKP HK Parts
$3.95Axle For Trigger Safety Latch VP9, VP9SK & VP40 HK German factory part. This pin is the axle pin for the safety latch in the VP trigger. Compatible With: HK VP9 HK VP9 Tactical HK VP40 HK VP40 Tactical HK VP9SKHKP-16778$3.95 -
Out Of Stock
HK45, HK45T Barrel - .45 ACP - 5.11" - Threaded 16x1 LH
H&K Heckler & Koch
$297.95H&K 45 .45 ACP Tactical Barrel - Threaded 16x1 LH New HK45 German factory cold hammer forged threaded barrel for use with flash hiders or sound suppressors. This is a drop-in barrel for any of the HK45 full-size pistols. No gunsmith is required as...HKP-01207$297.95 -
HK VP9 Rubber Extractor Plug
H&K Heckler & Koch
$4.95HK VP9 Rubber Extractor Plug This part is the rubber buffer found on the inside of the extractor spring to help keep positive tension on the extractor. It's a must-have repair and replacement item.HKP-01849$4.95 -
HK MP5, MP5K, HK33 Optic View Front Sight Tower
$54.95Billeted One Piece "Optic View" Front Sight Tower HK front sight tower machined as one solid seamless billeted piece. The finest front sight tower that has been machined to allow the use of the unobstructed partial view or optic view of the front sight...HKP-17879$54.95 -
HK MP5, HK33, HK53, HK93, G3 Housing - SEF - Navy Style - Polymer - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K MP5, 93/53/33, G3 (9mm & 7.62/.308 & 5.52/.223) SEF Navy Style Polymer Housing - Clipped & Pinned This navy style housing fits all shelved receivers. Specifications: Made In Germany Clipped & Pinned Navy Style Housing SEF...HKP-00164$179.95 -
HK MP5K Vertical Foregrip - OD Green
HKP HK Parts
$34.95MP5K Vertical Grip O.D Green - USA New OD green MP5K K-Grip handguard for MP5K and the ever popular MP5K-Reverse stretch models. Now you can further customize your MP5K/ SP5K with this new color grip and, best of all, it counts as 1 U.S compliant part...HKP-20592$34.95