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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On Sale
HK VP, P30 Magazine Extension Kit - +5 Round
HKP HK Parts
$31.96 - $43.96HK Magazine Extension +5 Capacity For HK VP9, VP40 & P30, P30L The new and improved Gen 2 Model is now shipping! HK Parts magazine extension +5 kit adds five additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate and...$31.96 - $43.96 -
On Sale
HK German Sling Hook
H&K Heckler & Koch
Now: $8.05Was: $8.95H&K German Sling Hook New old stock HK German sling hook. Made from steel not the cheap aluminum or zinc offerings found elsewhere. Made in Germany. Great For HK sling projects and for spares. The real deal. This is the sling hook that all others...Now: $8.05Was: $8.95 -
On Sale
Industries ESK SL Grip Modules and HK Polymer Trigger Housings
Magpul
Now: $43.16Was: $47.95Magpul Industries HK MP5/SP5 Enhanced Selector Set The Magpul ESK (Enhanced Selector Kit) offers a versatile range of selector levers specifically designed for the Magpul SL Grip Module and HK Polymer Trigger Housings. The ESK delivers a modular,...Now: $43.16Was: $47.95 -
On Sale
HK33, HK53, HK93 Magazine - 30 Round - Steel - 5.56/.223
H&K Heckler & Koch
Now: $65.66Was: $72.95HK93, HK33, & HK53 - 30 Round Magazine HK Factory German. All-steel latest production magazine and hard to find. This magazine was discontinued in 2021 and is no longer in production. Stock up as we have the last remaining units available...Now: $65.66Was: $72.95 -
On Sale
HK Pin - Barrel - Retaining - 5mm - Standard Size
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K HK Pin - Barrel - Retaining - 5mm - Standard Size Barrel Retaining Pin Each barrel pin is used for installing a new or replacement barrel. HK suggest using a new factory barrel pin when installing or reinstalling a HK barrel. We also offer the HK...Now: $8.96Was: $9.95 -
HK53 Recoil Rod Assembly - Steel
USA
$44.95HKP HK53 Recoil Rod Assembly - Complete - Steel US-made HK53 recoil rod assembly built to correct HK specifications. The steel rod is micro-polished and uses serviceable end caps for easy spring replacement. Each unit includes a factory German HK53...$44.95 -
On Sale
Holex Feeler Gauge Set - 20 Piece - German
HKP HK Parts
Now: $11.96Was: $14.95Holex Feeler Gauge Set - 20 Piece - German The perfect companion tool for all HK roller lock firearm owners. Each tool includes 20 feeler gauges from .05mm-1.0mm in .05 increments. To help users and shooters maintain the factory recommended bolt gap...Now: $11.96Was: $14.95 -
Out Of StockOn Sale
HK USP Magazine - 9mm - 15 Round
H&K Heckler & Koch
Now: $44.10Was: $49.00H&K 15 Round HK USP 9mm Magazine New factory-fresh & the latest HK production USP 9mm 15 round magazine. Compatible With: USP 9mm Full Size USP 9mm Tactical USP 9mm Elite, Expert (without jet funnel installed) USP P8Now: $44.10Was: $49.00 -
On Sale
HK MP5K, SP89, SP5K Vertical Foregrip - 9mm
H&K Heckler & Koch
Now: $89.06Was: $98.95HK German Factory MP5K & SP89, PDW Vertical "K" Grip The "K" Grip will also fit the MP5, HK94, and HK53 with the use of a K-Grip adapter (see below), all NFA rules apply. This uses the standard HK small push pin to attach to the cocking tube...Now: $89.06Was: $98.95 -
On Sale
Maglula Universal Magazine Loader
Maglula
Now: $31.46Was: $34.95Maglula Universal Magazine Loader The UpLULA mag loader is a military grade-quality universal pistol magazine loader and unloader designed for loading and unloading almost all 9mm Luger up to .45ACP magazines, single and double stack, and 1911's of all...Now: $31.46Was: $34.95 -
Out Of StockOn Sale
HK VP9SK, P30SK Magazine Floorplate - 9mm - Extended - Rubberized
H&K Heckler & Koch
Now: $17.95Was: $19.95HK German VP9SK & P30SK Rubberized Extended Magazine Floor Plate VP9SK, P30SK factory German manufactured extended rubberized magazine floor plate fits all VP9SK & P30SK magazines. The perfect floorplate if you want a place for your pinky when...Now: $17.95Was: $19.95 -
On Sale
HK MP5, SP5, PDW Rear Sight Drum
HKP HK Parts
Now: $27.96Was: $34.95HKP MP5, SP5 & PDW Rear Sight Drum Factory correct HK spec USA made MP5, SP5, MP5K PDW & HK94 rear sight drum. This is also the correct rear sight drum for the MP5K PDW or MP5K-N family of firearms. This is also a very popular upgrade for many of...Now: $27.96Was: $34.95