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 MP5K 9mm SEF Navy Style Trigger Housing - Push Pin
H&K Heckler & Koch
$159.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push-pin firearms that do not require clipped and pinned housing...HKP-02463$159.95 -
HK MP5, HK33, HK53, HK93 A2 Fixed Stock
H&K Heckler & Koch
$139.95H&K 93,33,53 and MP5 A2 Fixed Stock This H&K G3 stock section and buttpad combo is designed to enhance the functionality and comfort of your HK 93,53 and MP5 firearm. The stock section provides improved strength and stability, while the...HKP-21818-M$139.95 -
Out Of Stock
HK MP5, MP5K, SP5, SP5K Magazine Loader
B&T Brugger & Thomet
$24.00B&T Brugger and Thomet Magazine Loader for HK MP5, MP5K and HK SP5, HK SP5K The world’s fastest magazine loader. The B&T magazine loader loads your MP5 magazines directly from the ammo box tray into the magazine in a fraction of the time...HKP-21687$24.00 -
HK91, G3 Stock - MOE PR
Magpul
$199.95Magpul HK91, G3 MOE PR Stock The MOE PR is a full-size carbine stock that blends the simplicity of the legacy MOE carbine stock with design lines reminiscent of the PRS Lite. Features: Sloping cheek weld Non-slip rubber butt-pad for impact...HKP-21198$199.95 -
HK MP5 Brace and Stock Adapter - .22LR
HKP HK Parts
$99.95 - $109.95HKP HK MP5 .22LR Brace and Stock Adapter This is the perfect folding stock adapter to replace the polymer end cap on your MP5 .22. CNC machined from a solid billet of aircraft grade aluminum and cerakote for a durable finish. Compatible with...HKP-20795-M$99.95 - $109.95 -
Out Of Stock
HK UMP, USC Front Sight - 9mm / .40 S&W / .45 ACP
H&K Heckler & Koch
$14.95New HK German Factory USC/UMP Front Sight This is a common wear or breakage part. This part is easy to swap out by just knocking out the roll pin, replacing it, and then re-inserting the roll pin. This is a common wear or breakage part. Compatible with...HKP-00254$14.95 -
HK91, G3 Bolt Group, Complete - Full Auto - Used
H&K Heckler & Koch
$259.95Heckler and Koch Factory German Full Auto Bolt Group - Complete Used for HK G3, HK91, and PTR Everything you need as a spare or a direct replacement of your existing bolt group. This bolt group is a direct replacement of all HK G3, HK91, SAR3/8, PTR-91,...HKP-00356$259.95 -
HK416, MR556, G36, SL8 Gas Piston
Nefarious Arms
$74.95Nefarious Arms Gas Piston for HK G36, HK SL8, HK416 and HK MR556 A great spare, upgrade, or replacement part for your HK. Includes 3 piston rings for a complete drop in replacement part. TiN coated for corrosion resistance. Compatible...HKP-21364$74.95 -
HK MP5 Optic Mount - .22LR
HKP HK Parts
$119.95HKP HK MP5 .22LR - Universal Optic Mount The HKP universal optic mount incorporates the VP9 optic footprint, allowing the user to install any VP9 compatible optic on their MP5 .22LR with a German or HKP VP9 optic plate. Swap optics like Trijicon,...HKP-20968-M$119.95 -
HK91, G3, MSG90 Cleaning Kit - .308 to .351 Calibers
H&K Heckler & Koch
$64.95New - Original HK German MSG90/HK91/G3 Cleaning Kit - Old Stock Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Originally built for the G3,91 & MG3 but will work on all .308 - .351 ...HKP-19031$64.95 -
Out Of Stock
HK33, HK53, HK93 Extractor
H&K Heckler & Koch
$67.95H&K 93, 53, & 33 (5.56/.223) Extractor A great replacement for your HK or clone. A high wear item that can become worn, chipped, and non-relaible. A must have spare part. German HK factory fresh production.HKP-00189$67.95 -
HK MP5, HK33, G3 Optic Mount - Mid Range
B&T Brugger & Thomet
$129.95B&T MP5, HK33, G3, PTR - Mid Range Mount This scope mount will allow the the use of the HK fixed sights (through an oval opening) and also allowing the optic to sit higher thant the front sight tower for an unobstructed view. This will allow the use...HKP-16882$129.95