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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HK MP5 Lower Parts Kit - A3 - 4 Position - Ambidextrous
H&K Heckler & Koch
$4,399.95HK German MP5 9mm Used Parts Kit CompleteHKP-01301$4,399.95 -
Out Of Stock
HK416, MR556 Upper Conversion Kit - Threaded 1/2x28, - 5.56x45 / .223
HKP HK Parts
$699.95H&K MR556 & HK416 (5.56x45/.223) Upper Conversion Kit - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 14.5" upper for an HK416 or MR556. This conversion kit adds an...HKP-17877$699.95 -
Out Of Stock
HK417, MR556, MR762 Trigger Guard - A5 Style - RAL8000
HKP HK Parts
$39.95HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K Compatible With: MR556 & 416 MR762 & 417HKP-17832$39.95 -
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