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 Stock
HK MP5K, SP89 Recoil Guide Rod - Stripped
H&K Heckler & Koch
$14.95New HK German MP5K, SP89 Recoil Guide Rod Bar Incomplete Recoil spring rod stripped. Compatible with all MP5K & SP89 recoil springs.HKP-01693$14.95 -
HK MP5K Bolt Group - Complete - Full Auto - 9mm
H&K Heckler & Koch
$2,974.95MP5K Full Auto Bolt Group "F" Style Complete - German Each factory HK MP5K bolt group includes the following: MP5K F/A - F style bolt carrier F style bolt head 100 degree locking piece firing pin firing pin spring recoil rod assembly Extremely rare...HKP-00384$2,974.95 -
Out Of Stock
HK Ambidextrous Sling - Green
H&K Heckler & Koch
$149.95HK Ambidextrous Sling - Green This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on nearly...HKP-00183$149.95 -
On Sale
AR-15 Stock - ACS - Mil-Spec
Magpul
Now: $83.95Was: $93.95Magpul AR-15 ACS Stock - Mil-Spec The patent-pending Magpul ACS (Adaptable Carbine/Storage) mil-spec model is a drop-in replacement butt-stock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. Similar to the Magpul CTR, the ACS also...HKP-01134Now: $83.95Was: $93.95 -
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