HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK UMP, USC Hammer Spring - Left
H&K Heckler & Koch
$13.95Heckler and Koch Left Side Hammer Spring for All HK UMP and HK USC Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm.HKP-01898$13.95 -
HK21E Feed Mechanism, Complete - 7.62 / .308
H&K Heckler & Koch
$22,495.95HK21E Feed Mechanism Complete - German HK - DM1 Links New genuine HK date-coded and marked 21E complete feed mechanism. These are the last of the genuine feed mechs available and due to the HK...HKP-00584$22,495.95 -
$16.95 -
On Sale
HK91, G3, PTR Folding Stock
Choate
Now: $92.41Was: $144.95HK 91, G3, PTR Side Folding Stock No gunsmith is needed as this is an easy install using your hardware from your existing fixed A2 stock. This counts as one US-made compliant part. Compatible With:HKP-00516Now: $92.41Was: $144.95 -
$474.95 -
Out Of Stock
HK91, G3 Handguard - Slimline Style - Used Excellent Condition
H&K Heckler & Koch
$0.00Used Authentic German Military Surplus G3 Black Slim Line Forearm With Heat Shield Used in excellent shape. For the money, these are a nice addition to the collection. Each item will fit all full...HKP-18317$0.00 -
HK MP5 Trigger Group - 3 Position Navy 0,1 Safe Semi Only - Clipped and Pinned - .40 S&W, 10mm
HKP HK Parts
$729.95HKP MP5 40/10 Trigger Group 3 Position Navy Housing (0,1) - Safe/Semi Only - Clipped & Pinned Finally a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous...HKP-17247$729.95 -
HK MP5K, SP89 Bolt Carrier - Full Auto - 9mm
H&K Heckler & Koch
$1,949.95HK German MP5K Full Auto Bolt Carrier - Latest Style Contour Each bolt carrier is designed to fit all HK MP5K's, SP89, and K-style clones seamlessly. Crafted from the latest tungsten-filled HK German...HKP-00385$1,949.95 -
HK MP5 Trigger Group - Burst 4 Position 0,1,2,F - 9mm
H&K Heckler & Koch
$3,099.95HK Heckler and Koch 9mm Burst 4 Position Trigger Group 0,1,2,F for HK MP5 Each trigger group is brand new and factory fresh, directly from HK, designed specifically for push pin style factory MG's...HKP-01421$3,099.95 -
HK MP5, HK94, SP89, SP5K Optic Mount - Low Profile - Picatinny
CFG
$119.95CFG Low Profile Rear Sight Base Mount - 10 Slot This new offering is a neat low profile offering that allows the user to replace the rear sight and add an extremely low profile super robust picatinny...HKP-18236$119.95 -
HK MP5, G3, HK33 Hammer with Pressure Shank for Burst Trigger Groups
H&K Heckler & Koch
$349.952 or 3-Round Burst Hammer with Pressure Shank HK factory burst trigger pack hammer and pressure shank. Compatible with 2 and 3-round burst trigger packs: (0,1,3,F), (0,1,2,F), (0,1,3), (0,1,2)...HKP-00851$349.95 -
HK MP5, HK94 Optic Mount - 246mm - Low Profile - Picatinny
B&T Brugger & Thomet
$239.95B&T MP5, 94 Low Mount, Extra Long Scope Rail Swiss made, military grade, B&T MP5 extra long low-profile scope mount. Requires the removal of the MP5 rear sight. Provides the longest possible...HKP-16881$239.95