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
B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$90.00B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic...HKP-21725$90.00 -
Out Of StockOn Sale
HK MP5 Optic Mount - Raised - Picatinny - BLEMISHED
HKP HK Parts
Now: $63.22Was: $109.95HKP HK MP5 Picatinny Rail Optic Mount - Raised Mount - BLEMISHED DINGS - INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN...HKP-21489-BNow: $63.22Was: $109.95 -
HK SP5 Stock With Direct Fit Adapter
Magpul
$189.95HK SP5 Stock With Direct Fit Adapter SP5 DT Magpul stock ready to drop in on any in-spec SP5 receiver or clone. We take our AR SP5 Adapter and attach it onto a mil-spec buffer tube. We then drop it...HKP-21411-M$189.95 -
HK G36C Handguard
GSG9
$126.95GSG9 Handguard with Heat Shield and Hand Stop for HK G36C New GSG9 manufactured forearm with heat shield and hand stop fits all HK G36C's or SL8, G36 conversions sized for the G36C barrel. Each unit...HKP-18216$126.95 -
HK MP5SD Parts Kit - Pistol Build - 9mm - Binary Trigger - Receiver Flat & Weldment Set
HKP HK Parts
$2,389.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts required for an MP5 semi-auto pistol build. Each kit comes with...HKP-20524$2,389.95 -
HK417, MR762 Cylindrical Pin for Stop Pin
H&K Heckler & Koch
$9.95H&K HK MR762/417 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: HK MR762 HK 417HKP-16619$9.95 -
HK417, MR762 Barrel Nut
H&K Heckler & Koch
$99.95Heckler and Koch Barrel Nut or Socket Barrel for HK MR762 - German HK A must have for any removal or work done to barrel as the barrel nut may need to be replaced.HKP-16597$99.95 -
HK USC, USC Bolt Carrier - Semi Auto - 9mm
Michaels Machines
$699.95HK UMP/USC (9mm) Semi Auto Bolt Carrier The semi-auto bolt group is needed for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles. Specifications:HKP-02283$699.95 -
HK USC Locking Lever Axle - .45 ACP
H&K Heckler & Koch
$29.95HK USC Lower Locking Lever Axle A great item to have on hand as spares. New German HK. Compatible With: All USC lowersHKP-16376$29.95 -
HK UMP Barrel - 9mm - Threaded with 3 Lug
Michaels Machines
$549.95HK UMP 9mm Barrel - Threaded - 3-Lug Specifications: 3Lug Threaded Compatible WiHKP-02278$549.95 -
HK91, G3 Match Trigger Group - Sniper
H&K Heckler & Koch
$749.95HK German SEMI .308 Trigger Group Complete For G3, 91 & PTR Models The HKP match trigger group starts life as a standard 12lb stock trigger pack before being carefully converted by the legendary...HKP-17031$749.95 -
HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH
RCM
$164.95RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and...HKP-02392$164.95