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 MP5F Receiver Flat - Alternate Holes
HKP HK Parts
Now: $99.95Was: $125.95HKP HK MP5F 9mm Flat - Alternate Holes MP5 receiver flat crafted by the original German tool and die maker of the LSC receiver flat using factory original German prints and specifications. This receiver features alternate holes for the correct MP5F or...HKP-21551Now: $99.95Was: $125.95 -
Out Of StockOn Sale
HK VP9, P30 Magazine - 25 Round - 9mm
HKP HK Parts / Heckler & Koch
Now: $12.95Was: $83.95Heckler and Koch and HK Parts 25 Round HK VP9 Magazine – Black Anodized Drop-in magazine ready to go! HK Parts takes an existing 15 round magazine and a +10 magazine extension to assemble them into a working 25 round magazine...HKP-20897Now: $12.95Was: $83.95 -
On Sale
HK VP9 Tri-Mag Pouch - RH - Size 23
Comp-Tac
Now: $73.95Was: $82.95Tri-Mag Pouch - RH - VP9 - Size 23 The shooter's workspace is vital during a reload. Whether in competition, training or critical incident, the Comp-Tac® Tri-Mag is built to shave seconds off reload time. The clean, comfortable design is a simple way...HKP-20399Now: $73.95Was: $82.95 -
Out Of Stock
HK G36C Quad Rail Handguard
B&T Brugger & Thomet
$269.95B&T handguard Quad Rail for HK G36C Swiss made B&T quad-rail (4 picatinny rails one for each side) handguard for HK G36C. Aluminum version with rail cover and sling swivel. This is the absolute best quality railed handguard available for the HK...HKP-16896$269.95 -
On Sale
B&T APC9, APC45 Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
Now: $551.95Was: $650.00B&T APC9 & APC45 Telescopic Brace/Stock Adapter The B&T telescopic brace adapter is an essential accessory to attach your favorite brace to your B&T firearm. Features: Complete adapter solution- no extra parts to buy except the brace...HKP-18989Now: $551.95Was: $650.00 -
Out Of Stock
HK USP Tactical Barrel - 9mm - 4.86" - Threaded 1/2x28
RCM
$225.00RCM HK USP 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available for...HKP-16705$225.00 -
HK416, MR556, MR762 Bolt Catch Plunger
H&K Heckler & Koch
$9.95Heckler and Koch HK MR556 and HK416 Bolt Catch Plunger Compatible With: HK416, MR556 HK MR762HKP-02655$9.95 -
On Sale
HK33, HK53, HK93 Receiver Flat - Complete Weldment Set
HKP HK Parts
Now: $183.95Was: $229.95HK .223, 556, & 300 BLK Receiver Flat With Complete Weldment Set Combo Each flat and weldment set comes with 223/556/300BLK complete as a builders combo ready to assemble. Compatible With: HK93, HK33, & HK53 Style Builds 300...HKP-00006Now: $183.95Was: $229.95 -
Out Of StockOn Sale
HK MP5 Magazine Follower - .40 S&W, 10mm - USA
HKP HK Parts
Now: $7.95Was: $9.95HKP MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines. Also counts as one 922r compliant part.HKP-16506Now: $7.95Was: $9.95 -
On Sale
HK MP5, MP5F Recoil Rod Assembly
HKP HK Parts
Now: $39.95Was: $49.95MP5 F, MP5 40/10 Recoil Spring Rod Assembly Complete - Extra Power This is the correct MP5F or MP5 40/10 Recoil Rod assembly with the proper parts and size. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for...HKP-17833Now: $39.95Was: $49.95 -
On Sale
Picatinny Rail for HK Receivers - 15 Slot
DTAC Dakota Tactical
Now: $59.95Was: $74.95Dakota Tactical Picatinny Rail To Weld To The Receiver Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible...HKP-17819Now: $59.95Was: $74.95 -
On Sale
HK MR556, MR762 A4 45 Degree Ambi Safety Lever
H&K Heckler & Koch
Now: $47.95Was: $52.00H&K MR556/MR762 A4 45 Degree Ambi Safety Lever Genuine H&K ambidextrous 45-degree safety lever for MR556 and MR762 A4 rifles. Includes: Right safety lever Left safety lever Safety lever clamping...HKP-22034Now: $47.95Was: $52.00