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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
HK MP5, HK94 Sling Swivel End Cap
Choate
Now: $30.95Was: $36.95Choate MP5 & HK94 End Cap and Sling Swivel Made in the USA, MP5 and HK94 end cap features an extra thick heavy-duty rubber buffer that is replaceable with a simple screwdriver. Each HK end cap also features a sling swivel for use with all types of...HKP-00115Now: $30.95Was: $36.95 -
Out Of Stock
HK416A5, MR556 A4 Bolt Catch, Release - Enhanced - Ambi
H&K Heckler & Koch
$64.95HK German Enhanced Ambidextrous HK416 A5 Bolt Release Factory HK ambidextrous magazine paddle catch/release. Compatible With: HK416A5 HK MR556 A4HKP-19463$64.95 -
HK MP5, HK33, HK53, HK93 Housing - SEF Navy Style - Polymer - Push Pin - LIKE NEW
H&K Heckler & Koch
$99.95H&K Heckler and Koch LIKE NEW SEF Navy Style Polymer Housing Push Pin for HK MP5, HK33, HK53, HK93 9mm and 5.56 / .223 Perfect upgrade for your older SEF contoured trigger pack or to dress up your HK firearm. Specifications: Push Pin Made In...HKP-19892$99.95 -
HK MP5, HK90 Series Magazine Catch Roll Pin - Push Button
H&K Heckler & Koch
$4.95Heckler and Koch Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: MP5, SP5 MP5K, SP5K SP89, HK94 HK91, G3, PTR HK33, HK53,...HKP-01918$4.95 -
On Sale
HK MP5 Pistol Stabilizing Brace - .22LR - Skeletonized
SB Tactical
Now: $134.95Was: $149.95SB Tactical - HK MP5 .22LR Pistol Stabilizing Brace - Skeletonized Features: Complete assembly, ready-to-install Molded polymer end cap with QD socket Integral, side-folding mechanism Specifically designed for the HK MP5 .22LR US veteran designed...HKP-21399Now: $134.95Was: $149.95 -
On Sale
HK Single Point Sling - Quick Detach - Black
NcSTAR
Now: $26.95Was: $29.95HKP Single Point Sling in Black - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...HKP-19767Now: $26.95Was: $29.95 -
HK Standard Buttstock Buttpad - OD Green - Surplus
H&K Heckler & Koch
$2.95H&K Standard Stock Buttpad - OD Green - Surplus HK German manufactured surplus A2 style stock buttpad in dark OD green. Used in fair condition. Compatible With: G3 & HK91HKP-17364$2.95 -
Out Of Stock
HK Recoil Rod Guide Ring For Recoil Rod Assemblies
H&K Heckler & Koch
$7.99HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.HKP-00143$7.99 -
HK USP Jet Funnel Kit Upgrade - 9mm, .40 S&W
H&K Heckler & Koch
$72.95Heckler and Koch Jet Funnel Kit for HK USP 9mm and .40 S&W Brand new factory HK German Jet Funnel kit for the HK USP 9mm and USP .40 full-size pistols. Easy to install, no gunsmithing, or modifications needed. Compatible with all Jet Funnel magazines...HKP-00306$72.95 -
On Sale
HK VP9 Gen 1 V2 Rail Mount Compensator
HKP HK Parts
Now: $99.95Was: $169.95HKP HK VP9 Gen 1 V2 Rail Mount Compensator *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.* Specifications: Length: 4 1/4 inches Height: 2 1/2...HKP-19370Now: $99.95Was: $169.95 -
On Sale
HK416, G36, Colt M4 Magazine - .22LR - 10 Round
Walther
Now: $35.95Was: $39.95HK, Walther, Colt, Beretta - HK416 .22 - 10 Round Magazine Impact-resistant polymer construction. Thumb-assisted loading button. Heavy-duty spring-steel mag spring. Compatible With: HK416 .22 Colt M4 .22 Beretta AR160 HK G36 .22 Hammerli Tac .22HKP-01747Now: $35.95Was: $39.95 -
Out Of Stock
HKP .45 ACP Micro Comp - Threaded 16x1 LH
HKP HK Parts
$29.95HKP .45 ACP Micro Comp - Threaded 16x1 LH The HK Parts Micro Comp & Thread Protector combines a lightweight design with dual functionality as both a compensator and thread protector. It easily attaches to any factory spec 16x1 LH .45 ACP barrel,...HKP-20210$29.95