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 MP5K Apparel - Hats, Patches, and Shirts - V2
HKP HK Parts
$0.00HKP HK MP5K Apparel and Patch Collection - Version 2 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...HKP-22455-M$0.00 -
HK G3 Rear Receiver Section with Rear Sight - Complete - Parkerized - SURPLUS
H&K Heckler & Koch
$54.95H&K G3 Complete Parkerized Rear Receiver Section w/ Rear Sight - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Genuine H&K parkerized steel rear receiver section with fully installed G3 rear sight assembly, two stock...HKP-22164$54.95 -
HK MP5, MP5K Scope Tab - Billeted - Weldment
HKP HK Parts
$9.95HKP HK MP5/K Billeted Scope Tab - Weldment Billeted scope tab weldment for HK MP5, MP5K, and compatible clones. Provides a correct mounting point for optics. Compatible With: HK MP5/94 HK MP5K/SP89 HK MP5 40/10 Clones or custom buildsHKP-22063$9.95 -
On Sale
Bolt or Suppressor Pouch - Small - Velcro Mount
B&T Brugger & Thomet
Now: $9.95Was: $19.95B&T Bolt or Suppressor Pouch - Small - Velcro Mount The B&T Bolt Pouch is a Velcro attaching pouch to securely hold and protect your .308 bolt during transport and field operations. Designed for the B&T APR338 bolt but will fit other,...HKP-21886Now: $9.95Was: $19.95 -
HK MP5K to G3 Stock or Brace Adapter
HKP HK Parts
$113.95HKP HK MP5K to G3 Brace/Stock Adapter The MP5K/G3 adapter enables seamless compatibility between MP5K firearms and G3-style stocks. Designed for a secure and sturdy connection, it's an excellent upgrade for those looking to customize or swap...HKP-21853$113.95 -
HK91, G3 Tactical Handguard - Low Profile
PTR
$109.95PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides, with the...HKP-21806-M$109.95 -
Holosun HK VP9/MP5 Reflex Sight HE-507K - Green
Holosun
$354.95Holosun HK VP9 SCS-MOS Reflex Sight The HE507K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include...HKP-21677$354.95 -
Out Of Stock
B&T Telescopic Stock End Cap
B&T Brugger & Thomet
$8.95B&T Telescopic Stock End Cap B&T replacement end cap for telescopic stocks. Limits the extension of the stock to keep it from sliding out of the guides.HKP-21721$8.95 -
HK SL8 Trigger Return Elbow Spring
H&K Heckler & Koch
$9.99HK SL8 Trigger Return Elbow Spring This is the lighter spring weight found only in the SL8 firearms. The G36 trigger return spring is much heavier in weight and thus has a heavier trigger pull over the SL8 trigger pull.HKP-16391$9.99 -
HK416, MR556, HK417, MR762 Tactical Deluxe Grip with Palm Shelf - OD Green
Ergo
$59.95Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green The Tactical Deluxe with Palm Shelf is the same size and shape as the Tactical Deluxe grip but has the addition of an adjustable palm shelf to support your firing hand. This grip excels on precision...HKP-19981$59.95 -
HK MR762 M-LOK Handguard - 14.7"
H&K Heckler & Koch
$294.95H&K HK MR762 M-LOK 14.7" Handguard - Black This handgurad is 14.7" long featuring a flat top Picatinny Rail and M-LOK attachment points. Compatible With: HK MR762HKP-19775$294.95 -
HK MR556/417 Trigger, Hammer Pin
H&K Heckler & Koch
$14.99H&K MR556/417 Trigger, Hammer Pin Compatible With: HK MR556 HK 417HKP-15456$14.99