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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Out Of Stock
HK416, MR556 Flash Hider - 3-Prong - 1/2x28
Surefire
$168.95Surefire (5.56/.223) 3-Prong Flash Hider - Threaded 1/2x28 The flash hider is engineered for M4/M16 and variants with 1/2x28 muzzle threads. Its patent-pending design reduces muzzle flash by over 99% compared to a plain muzzle. Built from US...HKP-17261$168.95 -
HK G36, SL8 Extractor Axle - USA
$6.95HK G36, SL8 Extractor Axle- US Made New extractor axle for use on all G36, Sl8 bolt heads. This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK Sl8 modelsHKP-18370$6.95 -
HK UMP, USC Extractor - .45 ACP
H&K Heckler & Koch
$49.95New USC & UMP .45 Extractor - German Compatible with both the USC & UMP. Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once it is removed from the...HKP-00265$49.95 -
HK UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Handstop Complete
H&K Heckler & Koch
$68.95HK German Hand Stop Unit Complete This unit is compatible with any of the USC/UMP or the G36K or G36C handguards.HKP-00596$68.95 -
Out Of Stock
HK UMP, USC, G36, SL8 Sear - 9mm / .40 S&W / .45 ACP - 5.56 / .223
HKP HK Parts
$49.95Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made 922r compliant part. 100% USA...HKP-01847$49.95 -
HK91, G3, HK93, HK417 Flash Hider - Birdcage - Threaded 15x1 RH
H&K Heckler & Koch
$34.95HK Heckler and Koch's Birdcage Flash Hider Threads onto 15x1 RH twist barrels. This factory German flash hider attaches to any factory HK barrel. No tools required for installation. Specifications: Made In Germany Threaded 15x1...HKP-00359$34.95 -
HK33, HK53, HK93 Complete Bolt Head
RCM
$214.95HK 93, 33, 53 .223/5.56 Bolt Head Complete - US The latest generation style bolt head with oval shaped roller retainer plate. Perfect for 556/ .223 & 300 BLK HK or roller lock firearms. Includes: 223/556 Extractor- US Extractor Spring- HK 8mm...HKP-16722$214.95 -
HK90 Series Front Sight Post - Night Sights
XS Sights
$92.99XS Sights - Night Sight Front Sight Post - Standard Dot Size This part works wonders in low-light situations and tactical environments. This is simply the best front-sight post you can get for your HK. Because of the reach of the MP5 and sight...HKP-02066$92.99 -
Out Of Stock
HK German Red Handled Rear Sight Adjustment Tool
H&K Heckler & Koch
$107.99H&K German Red Handled Rear Sight Adjustment Tool A must-have sight tool for all HK 90 series rifles, as well as the HK 416, MR556, and HK 417 rifles. Works to adjust any rear diopter-type HK sight for both elevation and windage. We also offer an...HKP-00080$107.99 -
HK MP5, SP5K Extractor - 9mm
MKE
$19.95MKE HK MP5/K 9mm Extractor Keep your MP5 or MP5K running strong with this MKE 9mm extractor. Perfect for replacing a worn part or completing a build, it’s made to HK specs for smooth, reliable performance you can count on. Compatible With: HK MP5,...HKP-21919$19.95 -
HK 90's Series Compression Rod - Titanium
HKP HK Parts
$29.95Compression Rod - 90's Series - Titanium The H&K burst trigger pack compression rods and compression rod springs are the foremost wear/breakage components in burst packs. This replacement compression rod is constructed from titanium, offering...HKP-20887$29.95 -
HK SP5 Stock or Brace Adapter - Folding
HKP HK Parts
$159.95HKP HK SP5 Folding Brace/Stock Adapter Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your...HKP-20644$159.95