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, G3, HK33 Hensoldt Aiming Projector - RARE
H&K Heckler & Koch
Now: $3,591.71Was: $7,999.95H&K Hensoldt 90 Series Aiming Projector Ultra rare Heckler & Koch Hensoldt Aiming Point Projector. Includes the original wooden case with all accessories, including IR lens, lens cleaning brush,...HKP-19119Now: $3,591.71Was: $7,999.95 -
HK MP5 Trigger Group - Navy 2 Position - Semi Only - .40 S&W - Clipped and Pinned
H&K Heckler & Koch
$769.95HK Heckler and Koch .40 S&W 2 Position Navy Semi Clipped and Pinned Trigger Group for HK MP5HKP-01752$769.95 -
Out Of Stock
HK USC, UMP Front Sight
USA
$11.95Front Sight - HK USC, UMP - USA Easy to swap out. Knock out the roll pin, remove, replace, and then re-insert the roll pin. Common wear or breakage part. Compatible With: All models of USCHKP-19124$11.95 -
Out Of Stock
HK G36, SL8 Lower Axle Pin
H&K Heckler & Koch
$0.00G36 & HK SL8 Lower Axle Pin The G36/SL8 (all models) uses the same size axle pin for all of the lower components (3 total). Except for the bolt holding open the device axle. Must insert from the...HKP-00291$0.00 -
Out Of Stock
HK SL8 Buttstock Spacer - Gray
H&K Heckler & Koch
$0.00HK SL8 Stock Spacer HK German SL8 stock spacer. These stackable spacers will allow the user to gain extra length of pull for the desired length on the SL8 factory stock. Spacer fits all SL8 rifles...HKP-18054$0.00 -
HK G36K Piston Rod - Incomplete
H&K Heckler & Koch
$69.95Heckler and Koch Incomplete Piston Rod for HK G36K Constructed from a black finished steel, this incomplete factory original part from HK is made in Germany and designed for HK G36K rifle models...HKP-16345$69.95 -
Out Of Stock
HK G36K Handguard - Slimline Style
H&K Heckler & Koch
$0.00G36K Slim line handguard with Hkey mounting slots HK German G36K forearm with HKey mounting slots. Made in Germany.HKP-18483$0.00 -
Out Of Stock
HK G36K, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
H&K Heckler & Koch
$0.00HK Heckler and Koch's Factory 4 Prong Flash Hider - 15x1 RH HK flash hider will fit any HK 5.56/.223 rifle barrel threaded 15x1 RH.HKP-00282$0.00 -
Out Of Stock
HK G36 Bolt Group - Complete
H&K Heckler & Koch
$0.00HK G36 Bolt Group New Factory German HK. HK G36 HK G36K HK G36CThis will not work with a HK SL8.HKP-00635$0.00 -
Out Of Stock
HK MP5, SP5, HK33, HK93, HK91, G3 Housing - Ambi - Unmarked - 9mm, 5.56 / .223, 7.62 / .308
H&K Heckler & Koch
$0.00H&K MP5/SP5, 93/33, G3/91 (9mm, 5.56/.223, 7.62/.308) Unmarked Ambidextrous Housing - Universal This unmarked universal ambidextrous lower housing is designed for use with ambidextrous trigger packs,...HKP-19854$0.00 -
On Sale
AK Binary Trigger - Curved - BFSIII
FA Franklin Armory
Now: $364.49Was: $534.95Franklin Armory BFSIII AK-C1 Standard Caliber - 7.62x39 The Binary Firing System GEN 3 (BFSIII) is a 3-position trigger. In position 3 it fires one round on pull and one round on release, making...HKP-19833Now: $364.49Was: $534.95 -
Out Of Stock
HK G36, SL8 Bolt Locking Lever - Complete - USED
H&K Heckler & Koch
$9.95H&K HK G36, SL8 Complete Locking Lever: USED The locking lever is installed within the trigger housing, ensuring reliable and secure bolt lockup. Used in good condition.HKP-19771$9.95