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, SP5, HK94 Wide Hanguard - BLEMISHED
HKP HK Parts
Now: $20.95Was: $37.95HKP Wide Handguard for HK MP5, SP5, and HK94 - Blemished ONLY 1 UNIT AVAILABLE - AS PICTURED HOLES NEED FITTING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...HKP-99501Now: $20.95Was: $37.95 -
On Sale
HK VP9 Gen 1 Rail Mount Compensator
HK HK Parts
Now: $94.95Was: $169.95HK Parts Gen 1 Rail Mount Compensator for HK VP9 with Vented Ports *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.* HKP Gen 1 rail mount compensator for the...HKP-99490Now: $94.95Was: $169.95 -
On Sale
HK91, G3 Magazine - 20 Round - LEO Laser Marked - Parkerized - BLEMISHED
H&K Heckler & Koch
Now: $41.95Was: $59.95Heckler and Koch 20 Round Rare LEO Laser Marked Steel Magazine for HK91 and HK G3 BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED POOR AND UNFINISHED LASER MARKING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...HKP-19333-BNow: $41.95Was: $59.95 -
On Sale
HK USP StippleTape Grip Wrap - 9mm / .40 S&W
Volker Precision
Now: $16.95Was: $19.99HK USP StippleTape Grip Wrap - 9mm / .40 S&W - Volker Precision StippleTape textured rubber grips for HK USP. The wrap fits neatly withing the existing texture recess on both sides of the grip. Made from premium, .047" thick, heavy-duty...HKP-22502Now: $16.95Was: $19.99 -
On Sale
HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED
Special Weapons
Now: $139.95Was: $319.95HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED VARYING CONDITION SHOWN - SOLD INVDIVIDUALLY DOES NOT INCLUDE STOCK OR AR-STYLE MAGAZINE ADAPTER. Will REQUIRE ADDITIONAL MACHINING TO THE STOCK: HINGE, BUTTON LOCKING SECTION, AND INDEX PLATE HOLE...HKP-99394Now: $139.95Was: $319.95 -
Out Of Stock
HK P30 Compensator Replacement Rail Set - MOD 1
HKP HK Parts
$28.95HKP HK Parts HK P30 Rail and Plate Insert - Replacement MOD 1 Insert Kit Replacement Picatinny rail and smooth plate inserts with hardware for the MOD 1 compensator. Compatible With: HK P30 MOD 1 CompensatorHKP-22370$28.95 -
On Sale
HK MP5 Stock or Brace Adapter - A2 - .22LR
HKP HK Parts
Now: $111.95Was: $124.95HK MP5 .22LR A2 Stock Adapter The MP5 .22LR adapter provides a solid mounting interface to add an HK91/G3 A2 stock section. Features: Ambidextrous QD sling attachment points Easy installation with included hardware CNC machined from aircraft-grade...HKP-22326Now: $111.95Was: $124.95 -
On Sale
HK417 Bolt Carrier - Full Auto
H&K Heckler & Koch
Now: $1,669.95Was: $1,859.95H&K HK417 Bolt Carrier - Full Auto Genuine factory full-auto HK417 bolt carrier. Limited number available. Compatible With: HK417HKP-22282Now: $1,669.95Was: $1,859.95 -
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