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
HK G36, SL8 Push Pin for Handguards, Lowers, Magwells
H&K Heckler & Koch
$18.95HKP HK G36, SL8 Forearm, Lower, Magwell U.S Push Pin U.S. made G36 push pin finished in black oxide. This push pin is also required for converting the SL8 to a G36. G36's use three of these factory...HKP-20730$18.95 -
HK MP5 Picatinny Mount Base - Battle Steel
Botach Tactical
$59.95Botach Tactical Battle Steel HK MP5 Mount - Picatinny Base Botach Tactical Battle Steel Ultra-Low-Profile Mount for HK MP5/HK33/HK53 Firearms.HKP-19807$59.95 -
Out Of Stock
HK416, MR556 Buffer Tube Castle Nut - A5 Extended
HKP HK Parts
$39.95HKP HK Parts A5 Style Extended Length Castle Nut for HK 416, MR556 Unlike the factory German A5 castle, our A5 extended buffer tube castle nut is compatible with both mil-spec and commercial buffer...HKP-18058$39.95 -
HK UMP, USC Recoil Buffer
HKP HK Parts
$11.95HKP USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HKHKP-18746$11.95 -
HK MP5, HK94, MP5K, SP89 Firing Pin - Titanium
HKP HK Parts
$49.95HK Parts Titanium Firing Pin for HK MP5, HK MP5K, HK94, and HK SP89 Grade 6 Titanium firing pin. Each was made using the factory HK specifications from original HK German blueprints. This is the...HKP-17601$49.95 -
On Sale
HK UMP, USC Top Receiver Rail - Enhanced - Picatinny
HKP HK Parts
$31.84 - $49.95HKP HK Parts US Made Top Receiver Rail with Hardware for HK USC and UMP The extended length allows the use of all optics that fit on a Picatinny rail. This unit has a contoured, no-snag design for...HKP-14541-M$31.84 - $49.95 -
HK91, G3 Stock Set - O.D. Green - Surplus
HKP HK Parts
$24.95Original German Army Used Surplus G3, 91, PTR OD Green Stock Set Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will...HKP-16332$24.95 -
HK Rifle Magazine and Receiver Cleaning Brush
H&K Heckler & Koch
$24.95HK Receiver & Magazine Cleaning Brush For All HK's Fits all standard 8-32 US thread cleaning rods. Made and designed for cleaning the HK magazines as well as the upper and lower receivers and mag...HKP-00141$24.95 -
HK MP5K, AP5-P Vertical Foregrip
MKE
$44.95MKE Made Vertical Foregrip MKE vertical grip for the HK MP5K models. Compatible With: HK MP5K, SP89 HHKP-22471$44.95 -
HK G36, SL8 Handguard Rail - Bottom - 6"
HKP HK Parts
$27.95G36 & HK SL8 6" Bottom Rail Fits the SL8 and G36 full-size forearms. This item is just over 6" in overall length and is made from aircraft-grade aluminum. Comes with the screws needed for...HKP-00285$27.95 -
Out Of Stock
B&T APC45, SPC45, GHM45 Magazine - 25 Round
B&T Brugger & Thomet
$145.00B&T .45 ACP 25 Rounds Magazine B&T's APC45 replacement magazines are the same straight-body stick mags that ship with new B&T firearms. These high quality factory magazines hold 25 rounds of ...HKP-17438$145.00 -
On Sale
HK MP5SD Rubber Handguard - BLEMISHED - HKP
HKP HK Parts
Now: $48.71Was: $169.95HKP MP5SD Rubber Handguard - BLEMISHEDHKP-17400-BNow: $48.71Was: $169.95