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 SP5K Bench Mat
HKP HK Parts
Now: $11.16Was: $13.95HK MP5K, SP5K, SP89 Gunsmithing Bench Mat This isn't your ordinary gun cleaning mat. Show your pride for your HK SP5K firearm while using our high quality neoprene rubber backed and cloth topped gun...HKP-18213Now: $11.16Was: $13.95 -
On Sale
HK MP5, MP5K Hammer Spring - 9mm - US
MKE
Now: $2.92Was: $5.89MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring. Worn hammer springs can cause light primer strikes and misfires. A great part to load up on for years of trouble free shooting...HKP-22224Now: $2.92Was: $5.89 -
Out Of Stock
HK VP9, VP9SK, HK VP40 Disassembly Safety
H&K Heckler & Koch
$14.99Dismounting Or Disassembly Safety HK VP9, VP40 Compatible With: HK VP9 HK VP9A1 FHKP-16792$14.99 -
HK USP Magazine - 9mm - 10 Round
H&K Heckler & Koch
$49.95H&K 10 Round HK USP 9mm Magazine Perfect for those that live in magazine restrictive states or for those that require a 10 round mag capacity. Compatible With:HKP-01239-M$49.95 -
Out Of Stock
HK SP5K Bolt Carrier - Full Auto
RCM
$189.95HK SP5K Specification Full Auto Bolt Carrier - US Made Machined completely from billet ordnance grade steel. The HK SP5K carrier is made to the most updated and latest MP5K F specs that will fit the...HKP-17932$189.95 -
HK MP5, MP5K Cartridge Case Deflector, Shell Deflector - Billet
HKP HK Parts
$19.95Cartridge Case Deflector, Shell Deflector - MP5, MP5K - Billet New US made case deflector for receiver flat or receiver for all MP5, HK94, MP5K, & SP89 builds. The case deflector is riveted or welded...HKP-17574$19.95 -
HK MP5K Bolt Group - Complete - 9mm - SA/FA
RCM
$394.95Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group is compatible with semi and full-auto MP5K 9mm style...HKP-19846$394.95 -
HK VP9, P30, USPC, P2000 Magazine Follower - 9mm - Blue
HKP HK Parts
$22.46HKP HK VP9, HK P30, HK USPC, HK P2000 9mm Magazine Follower - Blue A great replacement item for the stock follower. Made from aircraft-grade hard coat anodized aluminum CNC machined from a solid...HKP-19668$22.46 -
HK416, MR556 Sling Loop Backplate - Ambidextrous
H&K Heckler & Koch
$34.95H&K HK MR556/416 Sling Loop Backplate - Ambidextrous Genuine HK German manufactured 416, MR556 new style backplate with sling loop. Compatible With: HK MR556, HK 416 buffer tubesHKP-17151$34.95 -
HK MP5 Trigger Pack - Semi-Auto - 9mm - 922r
HKP HK Parts
$269.95Trigger Pack For MP5, HK94 Variants Such as Zenith, POF- 4 US 922r Compliant Parts HK MP5, HK94 9mm Semi Auto Trigger Pack complete. Each Trigger group incorporates the following US made compliant...HKP-17878$269.95 -
HK MP5, MP5K, HK93, HK91 Sight Clamping Screw - Rear Retainer
H&K Heckler & Koch
$4.95HK German Rear Sight Retainer / Clamping ScrewHKP-00868$4.95 -
On Sale
AR-15 Super Safety - Forced Reset Selector - Single Lever
Atrius
Now: $159.96Was: $199.95Atrius Single Lever Forced Reset Selector for AR-15 Style Firearms The Atrius Forced Reset Selector gives AR-15 users three selector positions: SAFE, SEMI, and FULL SEMI. It is designed for mil-spec...HKP-22348Now: $159.96Was: $199.95