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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HK90 Series Trigger - Used
H&K Heckler & Koch
$14.95H&K 90 Series Trigger-Used German 90 series surplus trigger in used condition taken from demilled HK German G3 firearms. Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-17920$14.95 -
On Sale
HK MP5 Handguard - Wide
AC-Unity
Now: $14.45Was: $18.95AC-Unity HK MP5 Wide Handguard Made by AC-Unity with advanced, German made polymer-resin/granulate that is both lightweight and shock/UV resistant. This state of the art polymer is formulated to withstand temperatures from -30°C to 120°C...HKP-21637Now: $14.45Was: $18.95 -
HK417, MR762, G28 Slim Line Retractable Buttstock
H&K Heckler & Koch
$86.95H&K HK MR762/417/G28 Slim Line Retractable Stock New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. Compatible With: HK MR762 HK 417 HK...HKP-17135$86.95 -
On Sale
HK UMP Magazine - 25 Round - .40 S&W - FDE
HKP HK Parts
Now: $24.95Was: $49.95HKP 25 Round Magazine - FDE for HK UMP THIS SHADE OF FDE HAS BEEN DISCONTINUED. STOCK UP AT HALF PRICE BEFORE THEY ARE SOLD OUT FOR GOOD. Made from advanced polymer material with steel feed lips just like the German UMP 40 magazine at a...HKP-20519Now: $24.95Was: $49.95 -
HK416, MR556, MR762 Bolt Catch Pin
H&K Heckler & Koch
$4.95Heckler and Koch HK MR556, HK MR762, and HK416 Bolt Catch Pin The factory roll pin is used to hold the bolt catch in place. Great to have on hand in the event this item becomes lost or damaged when doing maintenance Compatible With: HK416,...HKP-02677$4.95 -
HK Selector Set - Enhanced Ambi - Contoured SEF
HKP HK Parts
$74.95Ambidextrous Selector Lever Set For Contoured SEF Polymer Grip Frames Features: Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...HKP-18257$74.95 -
HK416, MR556 Upper Gas Block for 10.4" Barrels - Vented
H&K Heckler & Koch
$167.95H&K Heckler and Koch Complete Vented Upper Gas Block for HK MR556 and HK416 10.4" Barrels New HK German manufacture newest "VENTED" version direct from HK Germany. Great upgrade part for existing 10.4" uppers that have the older style non-vented gas...HKP-18056$167.95 -
HK91, G3 Rear Sight Drum
H&K Heckler & Koch
$9.95HK German Rear Sight Drum .308/7.62 - New Compatible With: HK G3, 91, PTR91, PTR32 HK .308/7.62 models or clones Other HK 308 clones & variantsHKP-01660$9.95 -
HK Lower Housing Clipping and Pinning Service - Polymer
HKP HK Parts
$99.95HK Clipped & Pinned Service - For Polymer Grip Frames We will clip and pin any "push pin" plastic housing for $99.95 each plus return shipping via USPS priority mail. Our technicians can perform the service on a customer supplied grip or we can clip...HKP-00923$99.95 -
On Sale
HK MP5, AP5 Slimline Handguard
MKE
Now: $33.71Was: $44.95MKE AP5/MP5 Slimline Forearm The classic and rare slimline style hand guard crafted by MKE in Turkey is specifically designed for the Century AP5, MP5, and other in-spec clones. The original HK design was Introduced in the late 60s and widely used until...HKP-22222Now: $33.71Was: $44.95 -
HK Soft Case 42" Single Rifle Case - Black
H&K Heckler & Koch
$129.95H&K Soft Case 42" Single Rifle Case - Black Protects 42" rifles and shorter with dense padding and durable water resistant PET shell material. Velcro wraparound handle to combine carrying handles. Large zippered storage compartment. Compatible...HKP-20228$129.95 -
HK MP5, HK416 Barrel - .22LR - 16.1"
RCM
$199.95RCM .22LR Rifle Barrel for HK MP5 and HK416 This is the first and only offering of a replacement barrel for the HK .22LR platforms. Replacing the barrel previously required sending the receiver to H&K and having the assembly returned...HKP-21407$199.95