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
HK53, HK51 Handguard - Full Length
H&K Heckler & Koch
$59.95H&K HK53/HK51 Handguard - Full Length H&K German manufactured HK51 and HK53 polymer handguard. This handguard is the proper length to cover the extended portion of the trunnion found on the HK53 and HK51 style of firearms. Compatible...HKP-00468$59.95 -
HK MP5 Magazine Spring - 10mm and .40 S&W - 30 Round
H&K Heckler & Koch
$9.95H&K MP5 40/10 30 Round Magazine Spring New HK German MP5 40/10 magazine spring for the 30 round magazine. Hard to find and a must have repair and replacement item.HKP-01056$9.95 -
HK MP5, MP5K Contact Piece for Paddle Mag Release - 9mm
H&K Heckler & Koch
$59.95MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German This is the real deal NOT the .308 or .223 contact piece. Hard to find factory-correct, brand-new, latest production German HK 9mm contact piece. Compatible With: MP5, SP5, 94, SP5 MP5K, SP5K,...HKP-00118$59.95 -
HK MP5 Selector Lever - Left Side - Extended 4 Position Ambi - ESSL
H&K Heckler & Koch
$299.95HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length lever. Great for those who...HKP-00126$299.95 -
HK MP5 Recoil Spring - Enhanced
HKP HK Parts
$16.95HKP HK MP5 Enhanced Recoil Spring The HK Parts enhanced recoil spring offers a 5% increase in strength over the factory MP5 spring. Ideal for high round count firearms, suppressed setups, or simply to improve longevity. Won't fit F style recoil rods or...HKP-22209$16.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics
USA
$5.95Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-20894$5.95 -
HK G3 Parts Kit
H&K Heckler & Koch
$397.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...HKP-00827$397.95 -
HK PTR91 Triple Frame Sight Tower
H&K Heckler & Koch
$49.95PTR Triple Frame/Front Sight Tower for PTR Barrels This is a German HK triple frame that has been machined to accept the larger profile of the PTR barrels. Ready to use on your PTR91 barrels. Each sight tower includes machined front sight tower to fit...HKP-16325$49.95 -
HK MP5 SEF Trigger Pack, Complete - Full Auto - .40 S&W / 10 mm
H&K Heckler & Koch
$239.95HK German SEF Full Auto Trigger Pack Complete Factory HK German MP5 40 caliber full auto trigger pack is unmodified as it comes from HK. Our F/A trigger pack comes with a used factory German HK 40/10 caliber ejector lever and heavy hammer spring. Each...HKP-00151$239.95 -
Ergo M-LOK Handstop
Ergo
$54.95M-LOK Hand Stop/Barricade Stop in Black Features: Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Fits all M-LOK style forearms or...HKP-17852$54.95 -
HK MP5 ACR Stock and Adapter
Magpul
$599.95HK MP5 Magpul ACR Stock with HKP Adapter: The HKP adapter and Magpul ACR stock combo is a complete, drop-in ready unit. Magpul discontinued production of the ACR stock and we have just a few units left. Grab yours while you...HKP-21370-M$599.95 -
On Sale
UZI Magazine - 25 Round - New Old Stock
IMI
Now: $29.95Was: $48.95Uzi 25 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowned Mec-Gar magazine manufacturing company with IMI Licensing. An all-steel production and a blued finish to help protect it against rust. These are the last...HKP-21232Now: $29.95Was: $48.95