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 VP9SK Bench Mat - BLEMISHED
HKP HK Parts
Now: $5.96Was: $13.95HKP HK VP9SK Bench Mat - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK...Now: $5.96Was: $13.95 -
On Sale
HKP HK 416 .22 LR Flash Hider
HKP HK Parts
Now: $31.96Was: $39.95HKP HK 416 .22 LR Flash Hider Enhance your 416.22 pistol with a direct-mount flash hider boasting an elegant Birdcage style for an unmistakable custom appearance. Included O-ring ensures a securely locked flash hider, guaranteeing durability and...Now: $31.96Was: $39.95 -
On Sale
HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A3
Nefarious Arms
Now: $535.46Was: $594.95Nefarious Arms HK 416/MR556 10.4" A3 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER. THE MARKING IS NOT VISIBLE ONCE INSTALLED. THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS...Now: $535.46Was: $594.95 -
On Sale
HK MP5 Optic Mount, Aimpoint ACRO - .22 LR
HKP HK Parts
Now: $79.16Was: $98.95HKP - HK MP5 .22LR Optic Mount - ACRO HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean...Now: $79.16Was: $98.95 -
HK MP5, SP5 Binary Trigger Group - SEF Navy - BFSIII - 9mm
FA Franklin Armory
$1,299.95Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured 3 Position – Pictogram – HK Binary trigger group for HK MP5/SP5 and MP5 push pin Binary triggers count as 4 922r compliant components. The...$1,299.95 -
On Sale
HK90 Series Trigger - Refinished
H&K Heckler & Koch
Now: $17.95Was: $19.95Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsNow: $17.95Was: $19.95 -
On Sale
HK MP5 Stock or Brace Adapter
HKP HK Parts
Now: $119.96Was: $149.95HKP MP5 Brace/Stock Adapter Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your valuable firearm...Now: $119.96Was: $149.95 -
On Sale
HKP 2 Point Leather Sling - Brown
HKP HK Parts
Now: $39.96Was: $49.952 Point Leather Sling - Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and hardware for...Now: $39.96Was: $49.95 -
HK416 Handguard - Super Modular Rail - 14.5" - M-LOK
Geissele
$504.00Geissele HK416 Super Modular M-LOK 14.5" Rail The Super Modular Rail HK416 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity and...$504.00 -
Out Of StockOn Sale
HK45 Thread Protector - .578x28 RH - Knurled
HKP HK Parts
Now: $11.96Was: $14.95HKP .45 ACP Thread Protector - Threaded .578x28 RH The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must-have item to protect your threaded barrels, exposed threads...Now: $11.96Was: $14.95 -
On Sale
HK SL8, G36 Front Sight
H&K Heckler & Koch
Now: $17.95Was: $19.95HK German SL8/G36 (G36,G36K,G36C & SL8) Front Sight Post - New This item is the replacement polymer front sight post for the HK sight rails.Now: $17.95Was: $19.95 -
On Sale
HK G36, SL8 Firing Pin
GSG9
Now: $26.05Was: $28.95HK G36, G36K, G36C & SL8 Firing Pin - USA A must have spare part for all G36 models. Made in the USA. Fully machined and nitrided for superior strength. Compatible With: G36 G36K G36C SL8Now: $26.05Was: $28.95