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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HK416 A5 Stripped Upper Receiver - RAL8000
H&K Heckler & Koch
$1,559.95HK German Un-Assembled - Stripped HK416 A5 Upper Receiver - RAL 8K Brand new factory German RAL 8000 HK416A5 upper receiver. Compatible With: HK416HKP-18787$1,559.95 -
Out Of StockOn Sale
HK416 E1 Buttstock and Buffer Tube Combo - Commercial OTB
H&K Heckler & Koch
Now: $392.95Was: $469.95Heckler and Koch's E1 Buttstock and OTB Buffer Tube Combo - Commercial for HK416 Genuine HK416 E1 commercial buttstock with the new style marine environment "oveHKP-18361Now: $392.95Was: $469.95 -
HK G36 Hammer Spring - Right Side
H&K Heckler & Koch
$8.95HK G36 Right Side Lower Hammer SpringHKP-01857$8.95 -
HK G36, SL8 Cocking Handle
HKP HK Parts
$49.95Cocking Handle For G36 & SL8 Bolt Carriers - USA New USA made charging handle ideal for a 922 replacement part. Made in the USA.HKP-18251$49.95 -
HK G36, SL8 Optic Mount with Emergency Sights
B&T Brugger & Thomet
$296.95B&T Long Mounting Rail NAR for HK G36/G36K, with Emergency Sight Specifications: Color: Black Height max: 41.5 mm Length max: 483.2 mmHKP-16874$296.95 -
Out Of Stock
HK UMP, USC Stock Block B Sling Pin - Push Pin Style
HDPS
$39.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin This sling pin will replace the current production stock Block B hardware and upgrade to the Sling Pin Pull Style version.HKP-16339$39.95 -
Out Of Stock
HK UMP Bolt Carrier - Full Auto - Stripped 9mm
Michaels Machines
$699.95HK UMP 9mm - Full Auto Bolt - Stripped The full auto bolt carrier is for HK UMP rifles. The full-auto bolt carrier will not work in the HK USC conversion rifles. One of the finest aftermarket...HKP-02288$699.95 -
On Sale
Raddlock Key - HK Series
Raddlock
Now: $3.71Was: $9.95HK Series Raddlock Key And Lanyard Raddlock kits convert your firearm to a non-detachable magazine configuration for states with removable magazine restrictions. This is a replacement key for...HKP-02447Now: $3.71Was: $9.95 -
Out Of Stock
HK21 T-Rail Set - Factory Style
Michaels Machines
$275.00Michael's Machines HK 21 (7.62x51/.308) Factory Style T-Rail Set HK21 US-made rails for all HK21 builds. This is similar to the rails above, only prepped/cut for the HK21 feed mechanism.HKP-00823$275.00 -
Out Of Stock
HK MP5 A3 Retractable Buttstock Sling Attachment Bar - Weldable
H&K Heckler & Koch
$9.95HK MP5 A3 Retractable Stock Sling Bar This part offering is a factory German HK part new unpainted and ready to weld to your application. Can also be used for upgrading a non-ambi stock to an ambi...HKP-17427$9.95 -
On Sale
HK MP5 Selector Lever Conversion Set - 4 Position Burst To 0,1
H&K Heckler & Koch
Now: $129.95Was: $179.95HK 4 Position Burst To Semi ONLY Conversion Selector Lever Set - German HK The German HK selector lever set will allow the use to convert the following: 0,1,3,F Trigger packs 0,1,2,F Trigger packsHKP-17996Now: $129.95Was: $179.95 -
On Sale
HK MP5 Magazine Catch - 9mm - Turkish Contract - Raw
Other
Now: $4.12Was: $19.95Turkish Contract Raw Magazine Catch for HK MP5 9mm Turkish contract raw magazine catch for the MP5. This part is ideal for replacement, restoration, or custom fitment work on compatible builds...HKP-99484Now: $4.12Was: $19.95