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 VP9SK MOD 1 Compensator
HKP HK Parts
$179.95HK Parts MOD 1 Compensator: H&K VP9SK The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip...HKP-21796$179.95 -
HK MP5 Pistol Stabilizing Brace - SBA5
SB Tactical
$264.95SB Tactical HK MP5 SBA5 Pistol Stabilizing Brace SB Tactical brace married with our MP5 end cap creates a true drop-in brace. With a 5-position adjustable length, this brace can be tailored to fit...HKP-21672-M$264.95 -
8" Picatinny Mount Stock or Brace Bar - JMAC Customs
JMAC Customs
$279.858" Picatinny Mount Stock or Brace Bar - JMAC Customs (A)rm(B)ar(8)inch(R)ise + AB-BA Brace Adapter + our 1913 Folding Mech (not assembled) Features: Modular Design - Brace/Stock with many...HKP-21247$279.85 -
On Sale
Flare Gun - 26.5MM
AC-Unity
Now: $112.46Was: $169.95AC-Unity Flare Gun - 26.5MM The AC-Flare Gun is a modern state-of-the-art and highly durable tool to dispense 26.5mm flares or smoke grenades. The body of the pistol is made of a special polymer...HKP-20792Now: $112.46Was: $169.95 -
Out Of Stock
B&T APC Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$94.95B&T APC9/APC45/APC223/APC300 Telescopic Brace/Stock Adapter Swiss made B&T brace adapter for the APC9/APC45/APC223/ACP300 telescopic stock. Adapter replaces the buttpad on the BT-20394 and BT-20407...HKP-19860$94.95 -
B&T APC9, APC45 Jet Funnel
B&T Brugger & Thomet
$75.00Brugger and Thomet 9mm, APC .45 Jet Funnel for B&T APC Swiss B&T manufactured Jet funnel for the APC 9mm and .45 Cal models.HKP-18034$75.00 -
HK USP Mag Pouch - Twin - .45 ACP
Comp-Tac
$60.95Comp-Tac HK USP .45 ACP 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...HKP-17495$60.95 -
Out Of Stock
HK USP .45 ACP Complete Slide
H&K Heckler & Koch
$499.95H&K HK USP .45 ACP Complete Slide HK factory date coded, un-serialized & German manufactured. These slides are and hard to find. Includes: Complete SlideHKP-16723$499.95 -
HK416, MR556 E2 Buttstock - Commercial, Factory German
H&K Heckler & Koch
$249.95HK416, MR556 Factory German E2 Stock - Commercial HK German Stock For All HK 416, MR556 Rifles The HKE2 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons and has...HKP-18360$249.95 -
HK G36, SL8, UMP, USC Handguard Sling Loop - Ambidextrous
H&K Heckler & Koch
$40.95UMP, USC, SL8, & G36 Ambidextrous Sling Loop Or Eyebolt For Sling - German HK The addition of the HK eyelet creates a sling attachment point that will enable you to mount a sling using any of the...HKP-00611$40.95 -
HK UMP Extractor - 9mm
H&K Heckler & Koch
$60.95New HK German USC/UMP 9mm Extractor This is the perfect spare part to have for your UMP or USC 9mm conversion. Hard to find and only available here at HKPARTS.HKP-00266$60.95 -
HK33, HK53, HK93 Firing Pin
H&K Heckler & Koch
$79.95H&K 93, 53, & 33 (5.56/.223) Firing Pin This is the factory-correct HK German firing pin and is a great replacement part. This is also a great upgrade for your HK 223.556 clones. This part is no...HKP-00192$79.95