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 MP5SD 9mm Cocking Tube
HKP HK Parts
$99.95MP5SD Cocking Tube - US Made HK German MP5SD spec cocking tube for use on MP5SD style builds or custom SD builds. These are the best MP5SD cocking tube ever offered. Each unit is made from the original factory HK prints & tooling to the perfect HK...HKP-15700$99.95 -
HK91, G3 20 Round Magazine - Steel - Excellent
H&K Heckler & Koch
$36.95HK German 20 Round Steel Magazine - Very Good To Excellent Shape Each magazine in this offering is the best of the used steel surplus magazines available, features the best finish, and has the lowest amount of wear possible. No longer in production,...HKP-00834$36.95 -
HK MP5, MP5K Firing Pin Spring
H&K Heckler & Koch
$32.95H&K MP5 & MP5K Firing Pin Spring The latest firing pin spring features a stronger and more durable braided design, surpassing the standard non-braided spring in performance and longevity. Compatible With: HKMP5 HK MP5K HK SP5 HK SP5K ...HKP-00063$32.95 -
HK MP5, HK94, HK53, HK51 Handguard - M-LOK
HKP HK Parts
$108.95HK MP5, 94, HK53, 51 Low Profile Forearm M-LOK The M-LOK tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting...HKP-17148-M$108.95 -
HK UMP, USC Stock Axle Pin
Other
$14.95Heckler and Koch Stock Rear Stock Axle Pin for your HK UMP or USC This is the stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those who are doing the USC to UMP conversion. This pin is required to attach the...HKP-02591$14.95 -
HK MP5 Dual Battery Holder for Grip - Parts Storage
HKP HK Parts
$29.95HKP Pistol Grip Parts Storage Holder A must have item for storage of much needed 123 batteries for your gear such as optics, lasers, illuminators, etc. This HK grip plug will fit all Navy Style or Ambidextrous housings that have the holding tabs in the...HKP-16468$29.95 -
HK MP5, HK90 Series Magazine Catch Spring
H&K Heckler & Koch
$4.95Heckler and Koch Magazine Catch Spring for the HK90 Rifle Series New HK German manufacture, not used, worn out surplus springs. Perfect spare and a must-have mag catch spring for all 90 series rifles that use a detachable magazine. Compatible...HKP-01917$4.95 -
HK MP5, MP5K Dual Magazine Clamp - 9mm - HKP
HKP HK Parts
$49.95HKP MP5, MP5K, SP5, SP5K 9mm Dual Magazine Clamp HKP dual magazine clamp for twice the rounds exactly where you need them. This is also a great way to swap between two different types of ammo, like FMJ and JHPs or super and subsonic rounds. ...HKP-21667$49.95 -
On Sale
Russian GP-5 Gas Mask Kit - Soviet Military - New
Now: $10.00Was: $20.00Russian GP-5 Gas Mask Kit, New - Soviet Military New Soviet civil guard gas mask kit. Civil guard kits are the same as Russian military GP-5 gas masks but have a grey mask instead of military black. This type of gas mask was stored by the Soviets for the...HKP-20218Now: $10.00Was: $20.00 -
HK MP5K, SP89, SP5K Vertical Foregrip VFG - M-LOK Rail
H&K Heckler & Koch
$114.95H&K MP5K Vertical Grip VFG M-LOK Rail Factory HK VFG for the MP5K platform adapted by HKP for M-LOK compatibility. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a true ambidextrous vertical...HKP-20957$114.95 -
Out Of Stock
HK MP5, MP5K Extractor - 9mm - US
RCM
$29.95RCM MP5 & MP5K 9mm Extractor Made from ordnance grade steel and heat treated. These are the latest F type extractor for all HK MP5/94 bolt heads. Perfect to get that out of spec clone or worn out HK bolt working as it should. Made in the USA, these...HKP-20959$29.95 -
HK MP5, HK94, MP5K, SP89 Firing Pin - Steel
HKP HK Parts
$17.47MP5, MP5K, 94, & SP89 Firing Pin - Steel Each part is made using the factory HK material and specifications from original HK German blueprints. Compatible With: MP5, HK94 MP5K, SP89, SP5K MP5 40, 10mm, .357 Sig Zenith, POF, Omega, DT,...HKP-02115$17.47