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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HK33, HK93, HK51, HK91, G3 Paddle Mag Release - Standard
H&K Heckler & Koch
$8.95New HK German Paddle Magazine Release This item is a brand new H&K genuine part, not a used or surplus part. It's used for installation on all HK .223 & .308 HK rifles. Compatible With: HK 91 HK G3 HK 51 HK 93 HK 33 HK PSG-1 HK MSG-90$8.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Buffer Retainer Spring
USA
$5.95HK MR556/MR762/416/HK417 Buffer Retainer Spring This item is the spring for the buffer retainer that is held in the rear of the lower receiver. Compatible With: HK MR556 HK 416 HK MR762 HK 417$5.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Handguard Locking Screw - X Style
H&K Heckler & Koch
$25.95HK416, MR556, HK417, MR762 - Handguard Locking Screw Replacement handguard locking screw that secures the handguard to the upper receiver. This version features the "X" allowing the bolt head or HK sling hood tool to be used for installation or removal...$25.95 -
HK MP5 Optic Mount - RMR - Rear Sight
HKP HK Parts
$97.95HK MP5- RMR Optic Mount: The mounting solution to properly mount your RMR directly to the rear sight base on an MP5 or any other receiver that utilizes the same style rear sight base. The mount is the perfect height to co-witness your RMR with your...$97.95 -
HK UMP/USC (.45 ACP) Magazine Loader
H&K Heckler & Koch
$49.95HK German Factory USC & UMP .45 Magazine Loader Fits all HK German UMP .45 25-round magazines as well as the USC 10-round factory magazines. A great addition for your range time and to avoid those sore thumbs. Compatible With: German HK UMP .45...$49.95 -
HK416, MR556, MR762, G36 Extractor Spring
H&K Heckler & Koch
$8.95H&K MR556/MR762/416/G36 (5.56/.223) & (7.62x51/.308) Extractor Spring A must-have replacement wear part and a great item to have on hand. Compatible With: HK G36 HK G36K HK G36C HK SL8 HK MR556 HK 416 HK MR762$8.95 -
HK MP5 Flash Hider - 9mm - 3 Lug
H&K Heckler & Koch
$157.95HK Heckler and Koch's 9mm Flash Hider - 3-Lug This part attaches to the end of any factory specification 9mm 3-lugged barrel. This flash hider does not require the use of threads as it attaches to the 3-lug tip, this is also a great addition for any of...$157.95 -
HK MP5, AP5 Handguard
MKE
$39.95MKE HK MP5 AP5 Handguard The AP5 handguard is designed to fit the MKE AP5 and HK MP5 firearms. This handguard provides a secure grip and a factory-correct appearance. It provides a reliable and durable option for replacing or upgrading an MP5-style...$39.95 -
HK SP5K Side-Folding Brace - Skeletonized
HKP HK Parts / SB Tactical
$229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Available exclusively at HK Parts. Features: Made...$229.95 -
HK91, G3, PTR Bench Mat
HKP HK Parts
$24.95HK G3, HK91 & PTR 7.62 Bench, Gunsmithing Repair Mat Our HK G3 bench mat is the perfect cleaning & repair mat designed specifically for your HK G3 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects...$24.95 -
HK 90 Series to AR Stock or Brace Adapter
HKP HK Parts
$99.95HKP AR Brace/Stock Adapter To HK 90 Series Firearms For use on any commercial, mil-spec, or pistol AR15/M16/M4 stock, brace, & buffer tube of your choice. Perfect for your HK rifle, pistol, or SBR build. With our M4 adapter, you can use your existing...$99.95 -
POF HK MP5 9mm SEF (0,1,30 Pictogram) Housing - Push Pin
POF
$89.95POF HK MP5 9mm SEF (0,1,30 Pictogram) Housing - Push Pin This is a H&K contract SEF grip housing. The Housingg features the classic finger grooves. This part is not HK German quality, but a great value for the price. Specifications: Push Pin SEF...$89.95