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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Out Of StockOn Sale
HK USP, Mark 23 Magazine Follower - .45 ACP - Red - BLEMISHED
HKP HK Parts
Now: $2.96Was: $5.95HKP SOCOM Magazine Follower for USP45 and Mark 23 Magazines - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART...HKP-22499-RED-BNow: $2.96Was: $5.95 -
On Sale
HK MP5 Trunnion - Gunsmith Special
USA
Now: $24.95Was: $54.95HK MP5 Trunnion - Gunsmith Special US made HK MP5 trunnions sold as-is. Will require work before being functional. We recommend the work be performed by a professional gunsmith. The condition will...HKP-99089Now: $24.95Was: $54.95 -
On Sale
HK53 Cocking Tube Style
USA
Now: $59.96Was: $149.95HK53 Cocking Tube Style US made cocking tube perfect for an HK53-style build or for use on a custom build Compatible With: HK53HKP-99057Now: $59.96Was: $149.95 -
On Sale
HK MP5 Dual Folding Stabilizer with Adapter - .22LR
HKP HK Parts / Strike Industries
$187.46 - $202.46Strike Industries HK MP5 .22LR Dual Folding Stabilizer with Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5 .22LR picatinny adapter is one of the best options on the...HKP-21770-M$187.46 - $202.46 -
B&T APC Takedown Pin - Front
B&T Brugger & Thomet
$11.95B&T APC Takedown Pin - Front Factory B&T front take down pin for the APC receiver. Compatible With: APC Series Standard receiverHKP-21737$11.95
HKP Baseball Trucker Snapback Cap - OSFM - Tan and Black
HKP HK Parts
$17.95HKP Baseball Trucker Snapback Cap - OSFM - Tan & Black Get your hands on some of our premium hats! Features: Official HKP merchandiseHKP-20715$17.95
HK94 Barrel Shroud - Vertical Grip - Original - Vented
E&L MFG
$139.95HK94 Clone Original Vented Barrel Shroud w/ Grip This is the OEM HK part. The vertical grip is detachable and will not fit heavier barrels such as Vector or MKE barrels. Please Note: This will NOHKP-00020$139.95
B&T APC Brass Catcher - Quick Detach - 9mm, .40 S&W, .45 ACP
B&T Brugger & Thomet
$165.00B&T APC9, APC10, APC45 Quick Detach Brass Catcher Swiss made brass catcher for B&T APC9, APC10 and APC45 firearms. Quickly and easily attaches and detaches to the right-side picatinny rail section...HKP-18106$165.00
HK VP9SK, VP40SK Grip Panel Right Side - Small
H&K Heckler & Koch
$18.95H&K VP9SK, VP40SK Right Side Grip Panel - Small - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. CompHKP-18296$18.95Out Of Stock
HK VP40 Tactical Barrel - Threaded 14.5x1 - LH
H&K Heckler & Koch
$279.95H&K VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH Precision made in Germany by HK, this barrel is crafted from cold hammer forged ordnance-grade steel. It represents the finest threaded factory...HKP-17994$279.95
HK MP5 Trigger Group - Flat Trigger - Push Pin
Lee Sporting / Magpul
$549.95Lee Sporting Complete Trigger Group - MP5 Push Pin - Flat Trigger The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz...HKP-20482$549.95
HK33 Pistol Parts Kit - Receiver Flat and Weldment Set - RCM Barrel
H&K Heckler & Koch
$1,834.95HK 33 pistol Build Kit Complete German & US Parts- Limited Supply! Heckler & Koch German-manufactured parts kit issued to the Malaysian Army. Demilled and prepared per BATF specifications. These are...HKP-19731$1,834.95