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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HK91, G3 Backplate and Recoil Rod Assembly, Complete
H&K Heckler & Koch
$24.95Heckler and Koch Complete Backplate and Recoil Rod Assembly for HK91 and HK G3 Used- Surplus- in good shape. Each backplate comes in the parkerized finished as issued to the German military complete and 100% serviceable. Ready to install. This is also a...HKP-16144$24.95 -
HK MP5, HK90 Series F1 Flat Trigger
HKP HK Parts
$49.95HKP 90 Series F1 Flat Trigger With the utmost attention to detail in the design and manufacture of the HK Parts F1 flat 90 series trigger. Each F1 flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as one US...HKP-21537$49.95 -
HK Universal Hammer Spring
H&K Heckler & Koch
$9.95New HK German Rifle Hammer Spring For All.308/.223 Semi & Full Auto Trigger Packs The 308/556 hammer spring is a popular upgrade to replace the hammer spring in 9mm and clones that have light primer hits. This is the factory-correct 25 lb. weight for...HKP-00194$9.95 -
HK MP5, MP5K, SP89 Handguard with Handstop
HKP HK Parts
$29.95HK SP89, SP5K, MP5K - Forearm Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse Stretch Style Builds Custom MP5K/ SP89 builds Specifications: Made in the USA 922r Compliant Brand: HK Parts *Can be modified to install on MP5K-N builds with 3...HKP-17397$29.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Molykote®
Other
$36.95Molykote® Anti-Friction Coated Turkish Contract 30 Round MP5 9mm Magazine Molykote is a specialty coating formulated to reduce friction and wear between mating surfaces. It not only works well, but this robust finish also looks good too. Available...HKP-22479$36.95 -
M-LOK Cantilever Rail - Light Mount
Magpul
$19.95Magpul Rail Light Mount M-LOK Designed for use with all M-LOK mounting surfaces, the M-LOK polymer cantilever rail/light mount allows the attachment of various MIL-STD-1913 Picatinny spec rail-mounted accessories such as lights and optics, and directly...HKP-20689$19.95 -
HK33, HK53, HK93 Cocking Handle - Extended
HKP HK Parts
$69.95HKP HK 93, 53, & 33 (5.56/.223) Extended Cocking Handle Extended cocking handle for the HK93/33/53 family of firearms. Each handle is designed with the looks of the HK21E/HK23E style extended cocking handle. All steel handles with an enhanced...HKP-00196$69.95 -
HK MP5, HK94, SP89 Magazine Pouch - 3 Straight Mags - 30 Round - Nylon
H&K Heckler & Koch
$37.95German H&K MP5 9mm 30 Round Magazine Pouch - Fits 3 Straight MP5 Mags Used in exc to like new shape German HK magazine pouch for HK MP5 sticks mags. This is the first production MP5 style of magazine pouch. Each mag pouch is made in Germany and...HKP-16605$37.95 -
HK416, MR556 ARC-Fire Trigger - 3-Position - Ambi Controls
AS Designs
$297.95HK416, MR556 3-Position ARC-Fire Trigger with Ambidextrous Controls AS Designs' ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset triggers. The trigger is reset immediately after each shot, resulting in rapid follow-up...HKP-22429$297.95 -
HK MP5, MP5K Optic Mount - 5 5/8" - MLI - Picatinny Rail - RAL8000
H&K Heckler & Koch
$399.99HK German Low Profile Mount For HK MP5, MP5K- MLI - RAL 8000 HK MP5, MP5K low profile picatinny scope mount. Manufactured in house at HK Germany as part of the "Mid-Life Improvement" upgrade for the MP5 family of firearms. The first Picatinny style low...HKP-17661$399.99 -
Out Of Stock
Thread Protector - 9mm, 5.56 / .223 - 1/2x28 RH
HKP HK Parts
$0.00HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS threaded pistol...HKP-02646$0.00 -
HK MP5, MP5K Magazine - 30-Round - LEO Marked - 9mm
KCI
$52.95KCI 30 Round HK MP5, MP5K Magazine - LEO Marked KCI MP5 LEO marked magazines. Great for collectors and shooters who want the classic LEO aesthetic without paying factory-mag prices. We offer this LEO marked magazine with either "Ashburn" or...HKP-21611-M$52.95