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 Recoil Rod Assembly, Complete
H&K Heckler & Koch
$79.95HK USC/UMP 45/40/9mm Recoil Spring/Rod Assembly New HK German. This is great to have as a spare as this is a repair and replacement item. Compatible With: HK UMP 45 HK USC 45 HK UMP 40 HK UMP 9mmHKP-00610$79.95 -
On Sale
HK91, G3 Complete Bolt Head - Enfield HK Contract - Used
H&K Heckler & Koch
Now: $129.95Was: $179.95HK G3 & HK 91 & PTR Bolt Head Complete - British Enfield - Exc/Like New Made On HK tooling & prints in the Enfield factory in Britain in 1988. Each bolt head is complete with the bolt head parts installed & 100% functional. Removed from...HKP-18423Now: $129.95Was: $179.95 -
HK91, G3 Stock - AR15 Style - Complete Assembly
PTR
$274.95PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use The popular Magpul MIL-SPEC Moe...HKP-15614$274.95 -
HK MP5, MP5K Bolt Carrier Stop Pin and Axle Set
H&K Heckler & Koch
$14.95MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier Each set is designed to keep the locking piece clocked at the correct location and in place when the stop axle and pin set are installed in the carrier. This item can become damaged...HKP-02558$14.95 -
HK MP5, MP5K, HK33 Optic View Front Sight Tower
$54.95Billeted One Piece "Optic View" Front Sight Tower HK front sight tower machined as one solid seamless billeted piece. The finest front sight tower that has been machined to allow the use of the unobstructed partial view or optic view of the front sight...HKP-17879$54.95 -
HK MP5F, MP5 40,10 Factory Recoil Spring
H&K Heckler & Koch
$14.95HK German MP5 F 9mm & MP5 40/10 Recoil Spring - New Updated Version New latest HK German manufacture MP5 40/10 replacement recoil spring. Hard to find and a high wear and replacement item. Each spring replaces the MP5F recoil spring for the MP5 9mm...HKP-01061$14.95 -
Out Of Stock
HK91, HK G3, PTR Bolt Head, Complete - LIKE NEW
H&K Heckler & Koch
$179.95German Bolt Head Complete - Used German "ID" Date Coded HK G3, HK91, and PTR Made on HK tooling and prints in Germany in 1983. Each used bolt head is complete with all parts installed and 100% functional. Taken from live demilled German HK G3...HKP-20227$179.95 -
HK417, MR762, G28 Buffer Tube Castle Nut - Extended
H&K Heckler & Koch
$85.95Heckler and Koch Buffer Tube Castle Nut for HK G28, HK417 and HK MR762 New HK German G28 castle nut for the HK MR762, HK417, and G28 models. Black in color. This is the proper part for use with the G28 buffer tube and stock upgrades...HKP-16763$85.95 -
HK Universal Harris Bipod Adapter
H&K Heckler & Koch
$209.95HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...HKP-01852$209.95 -
HK G3 Operator Depot Level Repair Manual
HKP HK Parts
$23.95HKP HK G3 Operator Depot Level Repair Manual This is an older repair manual and the difference is the sections on field and depot repair. This manual has 124 pages, 35 pages of explanations, instructions, and pictures of the depot-level repair and...HKP-15223$23.95 -
HK Trip Lever - Friction
H&K Heckler & Koch
$24.95H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.HKP-02393$24.95 -
HK91, G3, PTR Magazine - 20 Round - Alloy - Like New
Rheinmetall
$19.95Rheinmetall HK G3, HK91, and PTR91 20 Round Magazine - Like New Rheinmetall G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. *Although these magazines have been carefully selected,...HKP-22495$19.95