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
Picatinny 8" Stock with 1913 Folding Mech
JMAC Customs
$258.95 - $277.95JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...HKP-21241-M$258.95 - $277.95 -
On Sale
Ruger Precision Rifle Trigger Shoe
Tactical Precision MFG
Now: $19.95Was: $37.99TPM Ruger Precision Rifle Trigger Shoe This trigger shoe is a great addition to your RPR or any rifle with a blade safety type trigger, the shoe covers the trigger shoe deleting the blade safety function. The set screws of the shoe are drilled on a...HKP-20903Now: $19.95Was: $37.99 -
HK MP5K, SP89 Trigger Housing - SEF Navy - Clipped and Pinned - LIKE NEW
H&K Heckler & Koch
$149.95H&K MP5K & SP89 9mm SEF Navy Style Housing - Clipped & Pinned - LIKE NEW Each housing is clipped and pinned and fitted for the semi auto shelf of the HK MP5K builds or SP89 firearms. Specifications: Made In Germany Clipped & Pinned Used...HKP-20617$149.95 -
On Sale
QD Dual Holster - Ambidextrous
Comp-Tac
Now: $48.95Was: $54.99Comp-Tac QD Dual Holster - Ambidextrous One holster that will cover your entire HK collection in ambidextrous, inside and outside the waistband package. No more buying multiple holsters for different firearms and applications. The paddle option gives end...HKP-20589Now: $48.95Was: $54.99 -
X400 ULTRA Laser and Light Combo - Green
Surefire
$779.95Surefire X400 ULTRA Laser & Light Combo - Green The X400 Ultra (Green) is a compact Weapon Light for pistols and long guns featuring an ultra-high-output white-light LED and a green laser sight that's optimized for human eyesight. Its recoil-proof...HKP-19126$779.95 -
On Sale
HK G36 Bolt Group - Semi-Auto - Complete
GSG9
Now: $679.95Was: $799.95GSG9 - HK G36 Semi-Auto Bolt Group Compatible With: HK G36 HK G36K HK G36C This will not work with a HK SL8.HKP-18944Now: $679.95Was: $799.95 -
On Sale
HK VP9 International Holster - RH
Comp-Tac
Now: $62.95Was: $74.95HK VP9 International Holster - Right Hand Comp-Tac International Heckler & Koch H&K VP9 Kydex Right Hand Holster + 3 Included Mounting Options (belt, paddle, drop offset hanger). All 3 styles included The International is an outside the waistband...HKP-17478Now: $62.95Was: $74.95 -
On Sale
HK VP9SK Holster - Warrior OWB
Comp-Tac
Now: $66.95Was: $74.95HK VP9SK Warrior Holster OWB The Warrior Holster design offers a stealth footprint, outside the waistband carry that is perfect for OWB concealment. Easily accessible, designed for a smooth, fast draw the Warrior's close-fitting footprint can easily...HKP-18718-MNow: $66.95Was: $74.95 -
On Sale
B&T USW A1 Complete Folding Stock Assembly
B&T Brugger & Thomet
Now: $137.95Was: $162.45B&T USW A1 Complete Folding Stock Assembly Swiss B&T manufactured tactical folding stock assembly. Includes polymer stock and all four hardware pieces as shown. Compatible With: USW-A1 Specifications: Polymer Folding stock 9.75"...HKP-18356Now: $137.95Was: $162.45 -
On Sale
HK VP9, VP40 Grip Wrap for Large Backstraps - Granulate
Talon Grip
Now: $16.95Was: $19.99TALON Grip - H&K VP9, VP40 - Granulate Black - Large Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick...HKP-20242Now: $16.95Was: $19.99 -
On Sale
HK MP5, GSG Magazine Pouch - Single - .22 LR
Comp-Tac
Now: $35.95Was: $44.95Comp-Tac HK MP5 .22/GSG .22LR Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your MP5 .22 & GSG .22 The PLM mount allows for being securely...HKP-20100Now: $35.95Was: $44.95 -
On Sale
HK33, HK93, G3K M-LOK Modular Handguard
DTAC Dakota Tactical
Now: $151.95Was: $189.95DTAC HK93, HK33, HK33K, and G3K M-LOK Modular Handguard Modular M-LOK handguard system designed for HK93, HK33, HK33K, and G3K pattern firearms. Precision machined in the USA from T6 aluminum, this one-piece main body provides a rigid mounting platform...HKP-20015Now: $151.95Was: $189.95