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 MP5 SP5K, SP89, G3, HK91, HK33, HK53, HK93 Rail Riser - Picatinny
MFI
Now: $22.46Was: $44.95MFI Picatinny Rail Riser For Scope MFI Picatinny rail riser to elevate your optic by 18.8mm (.740"). This see-through riser allows a full view through the factory iron sights. This unit is similar to...HKP-00899Now: $22.46Was: $44.95 -
HK Bungee Single Point Sling - 1600mm Long
H&K Heckler & Koch
$129.95H&K Bungee Single Point Sling - 1600mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the...HKP-18182$129.95 -
HK MP5 Selector Lever - Left Side - Extended 4 Position Ambi - ESSL
H&K Heckler & Koch
$299.95HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length...HKP-00126$299.95 -
On Sale
HK MP5 Trigger Pack - 9mm - SEF Style 0,1 - Safe, Semi-Auto
HKP HK Parts
Now: $296.96Was: $359.95HKP/H&K MP5/K 9mm SEF Semi-Auto Complete Trigger Pack We have one of the best HK gunsmiths in the country that can take hand-picked German HK F/A trigger packs and modify them to semi-auto. This is...HKP-00152Now: $296.96Was: $359.95 -
On Sale
HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny
MI Midwest Industries
Now: $95.96Was: $119.95Midwest Industries HK MP5, MP5K Tall Optic Mount - 1913 Picatinny Rail Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing...HKP-22397Now: $95.96Was: $119.95 -
HK416, MR556 Magazine Catch - Ambi
H&K Heckler & Koch
$104.95Heckler and Koch Ambidextrous Magazine Catch for HK416 and HK MR556 Factory HK ambi magazine catch, release.HKP-22289$104.95 -
HK91, G3 Front Sight Tower - SURPLUS
H&K Heckler & Koch
$16.95H&K G3/91 Front Sight Tower - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Priced for ONE Unit - Sold IndividuallyHKP-22158$16.95 -
On Sale
HK VP9SK MOD 1 Compensator
HKP HK Parts
Now: $143.96Was: $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-21796Now: $143.96Was: $179.95 -
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
HK VP9SK Magazine Locking Plate - 12 Round
Now: $7.16Was: $7.95H&K HK VP9SK Locking Plate for 12 Round Magazine New HK German factory part. This is the locking plate for the bottom of the magazine spring on the newer VP9SK 12 Round magazine. Great spares toHKP-20898Now: $7.16Was: $7.95 -
On Sale
B&T APC Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
Now: $85.46Was: $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-19860Now: $85.46Was: $94.95 -
HK VP9, VP9SK, VP40 Sear Release Catch
H&K Heckler & Koch
$7.95Sear Release Catch HK VP9, VP40 Compatible With: HK VP9 HK VP9A1 FHKP-16798$7.95