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 Universal Angled Fore Grip - M-LOK
Magpul
$28.95Magpul - M-LOK AFG (Angled Fore Grip) The Magpul M-LOK AFG (Angled Fore Grip) is the result of research and refinements done to the original AFG and AFG-2. By integrating the direct-attach M-LOK mounting system with minimalist construction we were able...HKP-17267$28.95 -
Thread Protector - 9mm - Enhanced - 1/2x28 RH
HKP HK Parts
$19.95 - $29.95HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH This enhanced thread protector is crafted from stainless steel and designed for 1/2x28 threaded barrels. Its unique design not only fits over and protects the crown of your barrel...HKP-17977-M$19.95 - $29.95 -
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 MR762HKP-00288$8.95 -
HK MP5 Ejector Lever - .40 S&W, 10mm
H&K Heckler & Koch
$38.74H&K Heckler and Koch German HK MP5 40, MP5 10mm Ejector Lever Get the ejector that is tried and true and the best upgrade you can make with your HK MP5 40 or 10mm. This is the finest and only ejector that will work properly for any length of time...HKP-00412$38.74 -
Out Of Stock
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...HKP-00082$157.95 -
Out Of Stock
HK91, G3 Fixed Complete, Complete - Surplus
H&K Heckler & Koch
$129.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...HKP-18936$129.95 -
PTR Muzzle Brake - Threaded 5/8x24 RH - 5.56 / .223, 7.62x51 / .308 - CA/NY Compliant
PTR
$24.95PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - NY/CA Compliant - Threaded 5/8x24 RH This new muzzle brake is made in the USA to exact HK standards. The best quality and price in the country. This muzzle device is a partially milled version (not...HKP-17927$24.95 -
HK33, HK53, HK93 Firing Pin Spring
H&K Heckler & Koch
$9.95New HK German 93, 33, & 53 .223/5.56 Firing Pin Spring. A must-have spare part as this is a high wear and replacement item. Compatible With: HK93, 33, 53 V93/V53, C93, C53 Custom builds and clonesHKP-00193$9.95 -
Out Of Stock
HK MP5, MP5K Cocking Handle - Enhanced
HKP HK Parts
$39.95HKP HK MP5, MP5K Cocking Handle - Enhanced The HKP enhanced cocking handle is just like our MP5 extended cocking handle but was designed to also function with UTG monolithic M-LOK handguards. Available exclusively at HK Parts. Specifications: Made...HKP-22382$39.95 -
On Sale
HK G3 Pistol Grip - PSG1 Sniper Style
AC-Unity
Now: $29.95Was: $39.95AC-Unity HK PSG1 Style Sniper Pistol Grip The new AC Unity Pistol Grip/Sniper Grip is a great upgrade if you want the PSG1 style grip frame for your HK firearm. The grip features an ambidextrous palm shelf for increased stability and weapon control...HKP-21628Now: $29.95Was: $39.95 -
HK MP5SD Barrel Port Cleaning Brush Replacement Cartridge
HKP HK Parts
$38.75HKP MP5SD Replacement Cartridge for Barrel Port Brush Replacement cartridge for HK MP5SD barrel port brush. Our replacement cartridge is compatible with factory HK barrel brush assemblies. Compatible With: HK MP5SDHKP-21294$38.75 -
HK91, G3 Firing Pin - Used
H&K Heckler & Koch
$6.95H&K 91/G3 (7.62x51/.308) Firing Pin - Used Great for spares as this is a common wear item. Compatible With: HK G3 & HK 91, PTR or clone riflesHKP-16710$6.95