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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On Sale
HK MP5 Cocking Handle
AC-Unity
Now: $19.95Was: $24.95AC-Unity HK MP5 Cocking Handle Compatible With: MP5, 94, MP5SD MP5K, SP89, SP5K Zenith 9mm firearms, POF Other MP5 clones or custom HK 9mm buildsHKP-20158Now: $19.95Was: $24.95 -
HK MP5K Trigger Housing - SEF Navy - Clipped and Pinned - 9mm - USED
H&K Heckler & Koch
$99.95H&K Heckler and Koch SEF Navy Style Clipped and Pinned Trigger Housing - USED for HK MP5K 9mm In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition, and each...HKP-19850$99.95 -
HK417, MR762, G28 Buttstock - Adjustable
H&K Heckler & Koch
$347.95 - $425.95H&K HK MR762/417/G28 Adjustable Buttstock The HK G28 adjustable stock upgrade is to be used on the MR762, HK 417 stocks with the G28 buffer tube and G28 castle nut. The G28 stock is fully adjustable for length of pull as well as the cheek...HKP-16721-M$347.95 - $425.95 -
HK Burst Eccentric Bushing
H&K Heckler & Koch
$59.95HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part is one of the most common wear...HKP-02647$59.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Subsonic - Speak No Evil Monkey
Zenith
$43.95Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20916$43.95 -
HK MP5, HK94, SP5 Binary Trigger Group - Ambi - BFSIII - 9mm
FA Franklin Armory
$849.95Franklin Armory BFSIII HK-C1 - Trigger Group For MP5, SP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with Franklin Armory binary trigger pack and a Magpul MOE grip to make this complete MP5-AR style binary trigger...HKP-20642$849.95 -
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 -
HK91, G3 Tactical Rail - 6 Inch
HKP HK Parts
$24.95HKP Tactical Rail - 6 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-00831$24.95 -
HK MP5, SP5K Extractor - 9mm
MKE
$19.95MKE HK MP5/K 9mm Extractor Keep your MP5 or MP5K running strong with this MKE 9mm extractor. Perfect for replacing a worn part or completing a build, it’s made to HK specs for smooth, reliable performance you can count on. Compatible With: HK MP5,...HKP-21919$19.95 -
HK21, HK11 Trunnion
RCM
$274.95RCM HK21 Trunnion When RCM set out to make a replacement trunnion for the venerable HK21, they started the process by putting a factory unit through rigorous destructive metal testing. The end-product: a US-made trunnion blending the proper...HKP-21609$274.95 -
HK MP5K Dual Folding Stock and Adapter
HKP HK Parts / Strike Industries
$319.95Strike Industries Dual Folding Stock with HKP MP5K Adapter The Strike Industries Dual Folding Stock paired with the HKP MP5K picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock configuration...HKP-21428-M$319.95 -
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