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 StockOn Sale
HK MP5, MP5K & 94 Magazine Release Set - German/USA
HKP HK Parts
Now: $75.96Was: $94.95HK MP5, MP5K, & 94 Mag Release Set, Complete - German & USA Complete magazine paddle mag release kit that includes everything you need for the the paddle mag release & standard mag release on your HK 9mm rifle or pistol build. All parts are...Now: $75.96Was: $94.95 -
Out Of StockOn Sale
HK UMP, USC Roll Pin - Barrel
H&K Heckler & Koch
Now: $10.75Was: $11.94Heckler and Koch German made USC and UMP Universal Barrel Roll Pin HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP and USC...Now: $10.75Was: $11.94 -
On Sale
HK MP5, MP5K Magazine Follower - 9mm - RED
HKP HK Parts
Now: $7.16Was: $8.95HKP MP5 & MP5K 9MM Magazine Follower - RED Teflon infused glass filled polymer red colored follower that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the follower to a red follower. A great training or...Now: $7.16Was: $8.95 -
On Sale
HK MP5, MP5K, SP5K, SP5K Magazine - 30 Round - 9mm - RAL8000
H&K Heckler & Koch
Now: $76.45Was: $84.95New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - RAL 8K Factory Heckler & Koch 9mm, 30-round magazine finished in RAL8000. These magazines are painted by the factory in Germany. Compatible With: HK...Now: $76.45Was: $84.95 -
On Sale
HK MP5, MP5K PMAG D50 Drum - 50 Round
Magpul
Now: $112.45Was: $124.95Magpul - PMAG D-50 - MP5, SP5, Mp5K, SP5K Lightweight but incredibly strong, our PMAG D-50 MP is a highly reliable, 9x19mm Parabellum, 50-round drum magazine for HK94/MP5 large-format pistols and pistol caliber carbines. The PMAG D-50 MP boasts many of...Now: $112.45Was: $124.95 -
On Sale
HK Spare Buffer For Folding Stocks & End Caps
HKP HK Parts
Now: $7.96Was: $9.95HKP Spare Buffer For Folding Stocks & End Caps New US manufactured flat style "H"buffer to replace the factory HK buffer on MP5K folding stocks and end caps. As well as a spare or replacement buffer for the MP5 & MP5K folding B&T stocks. Made...Now: $7.96Was: $9.95 -
On Sale
HK MP5K, SP5K, SP89 Handguard - SL
Magpul
Now: $42.71Was: $47.45Magpul HK MP5K, HK SP5K, HK SP89 SL Handguard The Magpul SL Handguard for the SP89/MP5K/SP5K is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics, anti-slip texturing,...Now: $42.71Was: $47.45 -
On Sale
HK UMP .45, .40 Dual Magazine Clamp
Now: $44.96Was: $49.95UMP .45/.40 Dual Magazine Clamp The UMP mag clamp fits all .45 and .40 UMP magazines. Holds two magazines together for ease of use and easy access to 2 magazines. Billet machined and hard coat anodized. Features: Made in the USA Dual-Magazine...Now: $44.96Was: $49.95 -
On Sale
HK MP5, HK94, SP5K Rear Sight Drum and Base - US
HKP HK Parts
Now: $42.78Was: $53.47HKP MP5, HK94 & SP5K Rear Sight Drum & Base Finally an affordable factory correct rear sight that does not break the bank or lead to settling for inferior 3rd world produced pot metal cast MP5 rear sights. We offer the only set that includes an...Now: $42.78Was: $53.47 -
On Sale
HK MP5K, SP89 Bolt Carrier - Full Auto - 9mm
RCM
Now: $134.95Was: $149.95MP5K Full Auto Bolt Carrier - US- Made - RCM This part is machined from billet ordnance steel. Our US-made MP5K carrier is made to the most updated and latest MP5K F specs. Tungsten filled, heat treated, and factory fresh production. Providing the finest...Now: $134.95Was: $149.95 -
On Sale
HK MP5, MP5K Optic Mount - Low Profile - Aimpoint T1, H1, T2
B&T Brugger & Thomet
Now: $90.00Was: $100.00B&T MP5, MP5K Low Mount For T1/H1 & T2 Aimpoint Ideal for use with the Aimpoint line of T-1/T2 & H-1/H2 type of optics. This mount is the lowest low profile mount available for use with the T1/T2 style of mounting system. This same mounting...Now: $90.00Was: $100.00 -
On Sale
HK MP5 Extractor Spring - 9mm / .40 S&W
Now: $8.96Was: $9.95HK MP5 40/10 & .357 - Extractor Spring The extractor spring is the most common wear item on an MP5 and a must-have spare and replacement part. HK Germany no longer makes the MP5 40/10 extractor spring, and they are no longer available. Our offering...Now: $8.96Was: $9.95