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
HK416, MR556 Quad Rail - Short - KeyMod
HKP HK Parts
Now: $127.47Was: $199.95MR556/416 KeyMod Quad Rail - ShortHKP-17985Now: $127.47Was: $199.95 -
Out Of Stock
HK416, MR556 H-Key Complete Short Handguard - FDE
H&K Heckler & Koch
$0.00H&K HK MR556/416 H-Key Complete Short Handguard - FDE Slim line handguard with H-Key mounting slots, short. Compatible With:HKP-18696$0.00 -
Out Of Stock
HK416, MR556 H-Key Complete Short Handguard
H&K Heckler & Koch
$0.00H&K HK MR556/416 H-Key Complete Short Handguard Slim line handguard with H-Key mounting slots, short. Compatible With: All 11", 14.5", 16.5"HKP-18611$0.00 -
Out Of Stock
HK416, MR556 Upper Conversion Kit - 9" - HK416C Style
HKP HK Parts
$899.95MR556 and HK416 Upper Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit...HKP-18674$899.95 -
HK MR556, MR762 Buttstock Release Lever
H&K Heckler & Koch
$9.95H&K HK MR556/MR762 Buttstock Release Lever Compatible With: HK MR556 HK MR762HKP-16621$9.95 -
Out Of Stock
HK416, MR556 Barrel Conversion Kit - 9" - HK416C Style
HKP HK Parts
$0.00MR556 & HK416 Barrel Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit...HKP-18401$0.00 -
Out Of Stock
HK416, MR556, MR762 Buffer Staking Tool
H&K Heckler & Koch
$0.00HK 416, MR556 & MR762, HK 417 - Buffer Staking Tool - German HK Rare HK factory HK staking tool for the castle nut to be staked. These took over 3 years to get and offered for cost while supplies...HKP-16945$0.00 -
Out Of Stock
HK416 Bolt Head, Incomplete
H&K Heckler & Koch
$0.00Heckler and Koch Incomplete Bolt Head for HK416 New HK German HK416 Bolt Head Complete- IncompleteHKP-00046$0.00 -
Out Of Stock
HK416 Bolt Group, Complete
H&K Heckler & Koch
$0.00Heckler and Koch's Bolt Group Complete - German for HK416 New HK German HK416 Bolt group. Rare component as the HK bolt groups are now considered EUC items and are not for sale from HK Germany. ...HKP-00043$0.00 -
Out Of Stock
HK416, MR556 Magazine - 30 Round
H&K Heckler & Koch
$0.00Heckler and Koch 30 round 5.56 mm Polymer Magazine for HK416, HK MR556A1, and AR15 Fits HK MR556A1, HK416, AR15 and all high quality AR/M4/M16 type firearms. Heckler & Koch reliability and...HKP-15805$0.00 -
Out Of Stock
HK G36 Carrying Handle, Incomplete - 1.5X Single Optic
H&K Heckler & Koch
$0.00H&K HK G36 Complete 1.5X Single Optic Carrying Handle The 1.5X single optics are quite rare. Mounting hardware sold separately.HKP-16742$0.00 -
Out Of Stock
HK G36C Handguard
H&K Heckler & Koch
$0.00G36C Slim line handguard with Hkey mounting slots HK German G36C forearm with HKey mounting slots. Made in Germany.HKP-18546$0.00