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 Trigger Group - AC Unity Grip - Match Trigger
HKP HK Parts
Now: $514.95Was: $644.85HKP HK MP5 Trigger Group with AC Unity Grip & Match Trigger The MP5 match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical and aesthetically pleasing build. Featuring a robust metal housing and a top-tier...HKP-22250Now: $514.95Was: $644.85 -
HK416 A5 Front Sight Adapter
H&K Heckler & Koch
$97.95H&K HK416 A5 Front Sight Adapter Designed for secure and precise installation of factory-style front sights. Compatible With: HK 416HKP-22204$97.95 -
On Sale
HK USP9 Compact Tactical Compensator - MOD 1 - Threaded
HKP HK Parts
Now: $143.95Was: $179.95HKP HK Parts 9mm Threaded MOD 1 Compensator for HK USPC Tactical 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 and recoil, allowing you to...HKP-22185Now: $143.95Was: $179.95 -
On Sale
HK MP5 Roller Standard 8mm - .40 S&W, 10mm - BLEMISHED
H&K Heckler & Koch
Now: $12.95Was: $20.95H&K MP5 40/10 Standard 8mm Roller - BLEMISHED MEASURED 8.00mm ROLLER MARKED INCORRECTLY. PACKAGING MAY NOT REFLECT PRODUCT. CONDTION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-00338-BNow: $12.95Was: $20.95 -
HK CC9 Trigger Pin
H&K Heckler & Koch
$5.95H&K CC9 Trigger Pin This genuine H&K CC9 trigger pin secures the trigger assembly within the frame. Compatible With: HK CC9HKP-22123$5.95 -
HK CC9 Sear Pin
H&K Heckler & Koch
$5.95H&K CC9 Sear Pin Made in Germany by H&K, this sear pin for the CC9 pistol secures the sear within the fire control assembly. Compatible With: HK CC9HKP-22119$5.95 -
HK CC9 Sear
H&K Heckler & Koch
$19.95H&K CC9 Sear Made in Germany, this sear for the CC9 pistol engages and releases the hammer during the firing cycle. Compatible With: HK CC9HKP-22116$19.95 -
On Sale
HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED
H&K Heckler & Koch
Now: $545.95Was: $945.95Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - BLEMISHED THESE KITS INCLUDE A BENT BARREL AND ONE MAGAZINE. BLEMISHED PARTS ARE SOLD AS IS. THIS KIT IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Convert any HK91 or HK...HKP-01147-BNow: $545.95Was: $945.95 -
HK VPSK, P30SK Magazine Floorplate - 9mm - 13, 15 Round - Extended
H&K Heckler & Koch
$53.95H&K VP9SK/P30SK 13 & 15 Round Extended Floor Plate Factory HK floorplate extension for VP9SK 13 and 15 round magazines. Features a durable black polymer body with a textured finish for improved grip. Compatible With: HK VP9SK & P30SKHKP-21990$53.95 -
On Sale
HK G3 Buttpad - USED
USA
Now: $4.95Was: $14.95HK G3 Buttpad - USED HK G3 buttpad, condition will vary from part-to-part vs. the pictured unit. Compatible With: HK G3 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99071Now: $4.95Was: $14.95 -
On Sale
HK91, G3, MP7, G36 Side Rail - Short
B&T Brugger & Thomet
Now: $34.95Was: $42.00B&T HK G3/HK91, G36, MP7 Side Rail - Short Swiss made B&T short side rail for the B&T quad rail handguard. Compatible With B&T Handguards For: HK91/G3 G36 MP7HKP-21775Now: $34.95Was: $42.00 -
Out Of Stock
Picatinny Bipod Mount - Polymer - Rubber Feet
B&T Brugger & Thomet
$145.00B&T Bipod (Polymer) - Picatinny Mount - Rubber Feet Genuine B&T bipod with NAR adapter (Picatinny mount) for use on any firearm featuring a Picatinny bottom rail.HKP-21773$145.00