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 to MP5K Housing Conversion Service
USA
$149.95MP5 to MP5K Housing Conversion Service At HK Parts we are now offering our own HK trigger housing conversion service. No one does a better job with quicker turn around then we do. This conversion is the best option for those that want to install hard to...HKP-20473$149.95 -
$14.95 -
Out Of Stock
Folding Stock - SS-8 with 1913 Folding Mech
JMAC Customs
$284.99JMAC Customs SS-8 Folding Stock w/1913 Folding Mech Skeleton stock 8" with 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG...HKP-20146$284.99 -
HK417, MR762, G28 E1 Charging Handle - Extended - Ambidextrous
H&K Heckler & Koch
$209.95H&K HK MR762/417/G28 E1 Extended Ambidextrous Charging Handle HK German MR762/HK 417 extended charging handle. The unique release latch can be swapped from left to right sides to make each setup ambi friendly and modular. HK's own design boasts an...HKP-16599$209.95 -
HK416 Front Sight Roll Pin - Folding 33mm
H&K Heckler & Koch
$4.95HK 416 Roll Pin For 33mm Front Folding Sight This version is the enhanced (longer) roll pin for a more secure fitment.HKP-14144$4.95 -
HK G36, SL8 Firing Pin Retaining Pin
H&K Heckler & Koch
$10.95H&K G36/SL8 (5.56/.223) Firing Pin Retaining Pin Compatible With: HK G36 HK SL8HKP-02469$10.95 -
HK UMP, USC Flash Hider - Birdcage - Threaded 16x1 LH
HDPS
$137.95HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH Designed for threaded barrels with a 16x1 LH thread, this flash suppressor is modeled after the HK UMP flash suppressor for flanged barrels. It’s perfect for those who...HKP-02579$137.95 -
HK UMP, USC, G36, SL8 Notched Disk - Safe, Semi
H&K Heckler & Koch
$14.95HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) Only Compatible With: 0,1 or S,F only: HK UMP HK USC HK G36 HK SL8HKP-16361$14.95 -
Out Of Stock
HK Factory Buttstock - Central Section - HK Green
H&K Heckler & Koch
$34.95H&K Central Buttstock Section - HK Green This stock section is no longer being manufactured as the G3 and HK91 are out of production. PLEASE NOTE: These units have handling marks and the price has been set accordingly.HKP-16987$34.95 -
HK MP5, HK90 Series Extended Selector Lever - Left Side ESSL - Ambi Burst Trigger packs
H&K Heckler & Koch
$94.95Heckler and Koch Extended Selector Lever - Burst 3 Position Brand new, genuine German HK extended ambi left side safety selector with axis for all ambidextrous burst lowers. This is a LEFT side EXTENDED Safety Selector Lever ESSL for ambidextrous...HKP-16973$94.95 -
HK91, G3 Front Sight Tower - SURPLUS
H&K Heckler & Koch
$16.95H&K G3/91 Front Sight Tower - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used genuine H&K steel front sight tower for the G3 & HK91. Provides the front sight post assembly for target acquisition and secures the...HKP-22158$16.95 -
HK416A5, MR556 Barrel - 5.56 / .223 - 11"
H&K Heckler & Koch
$424.95Heckler and Koch 11" Barrel for HK416A5, MR556 A4, MR556 A5 Factory German 11" HK416A5, MR556 barrel. Cold hammer-forged and built to HK’s standard for durability, accuracy, and service life. The 1:7 twist rate stabilizes a wide range of 5.56 NATO...HKP-21932$424.95