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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HK91, G3 Buttstock, Grip, Handguard Set - Jungle Green - Surplus
H&K Heckler & Koch
$26.95Original German Army Used Surplus G3, 91, PTR Tropical/Jungle Green Stock Set Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC. A...HKP-16331$26.95 -
PTR Universal Windage Adjustment Knob For Rear Sight
PTR
$9.95HK 90 Series Hand Windage Adjustment Knob For Rear Sights Steel windage screw that allows you to adjust the windage for the rear sights with a quick and easy adjustment without the use of a screwdriver as found on the factory rear sight screws. Perfect...HKP-01444$9.95 -
Out Of Stock
HK33, HK53, HK93, HK91, G3 Central Stock Section With Butt Pad
PTR
$99.95U.S. HK 91, G3, PTR Central Stock Section Black With Butt Pad Compliant parts are hard to find and are important for keeping your HK G3, HK 91, HK33, and 93 build 922r compliant. Compatible With: HK G3, 91, PTR CETME HK 93, 33, 53 Other...HKP-00379$99.95 -
HK33, HK93, HK91, G3 Triple Frame Front Sight Tower - Sight Blade
H&K Heckler & Koch
$14.95HK German Front Sight Tower Triple Frame- Used Surplus Used G3 triple frame in Good shape. Just needs a good refinishing. Comes complete with sight blade and roll pin installed. Used surplus pulled from HK German demilled G3's Comaptible With: HK 91 HK...HKP-16734$14.95 -
HK MP5, MP5K Magazine Locking Plate - 9mm
H&K Heckler & Koch
$16.95HK MP5 & MP5K Magazine Locking Plate - German New steel HK German manufactured MP5, MP5K curved magazine locking plate for the magazine. Compatible With: 40-round magazine 9mm 30-round magazine 9mm 20-round magazine 9mm 15-round magazine...HKP-01490$16.95 -
HK Spring - Bent Elbow with Roller - Semi - Trigger, Sear Pack
H&K Heckler & Koch
$29.95H&K Heckler and Koch Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller Each spring is a great replacement for the converted packs that have bent elbow springs or for those that used the original F/A elbow springs that were bent to shape and are...HKP-00070$29.95 -
Out Of Stock
HK MP5SD Barrel - 9mm - 5.75" - Threaded 18x1 RH
B&T Brugger & Thomet
$449.95B&T HK MP5SD 9mm Barrel - Threaded 18x1 RH New from B&T Switzerland, this cold hammer forged (CHF), ported, and nitrided barrel is designed to meet factory HK specifications exclusively for MP5SD models. With a long-standing relationship with...HKP-17957$449.95 -
HK91, G3, HK33, HK93 Bayonet Adapter - Complete - Turkish Contract
Other
$38.95Turkish Contract Complete Bayonet Adapter for HK91, HK G3, HK33, HK93 Complete Turkish contract 90 Series-style steel bayonet adapter supplied with the required mounting hardware. Designed for proper fit on HK33, HK93, HK91, and G3 pattern rifles...HKP-22517$38.95 -
On Sale
HK33, HK53, HK93 Backplate - Painted - BLEMISHED
H&K Heckler & Koch
Now: $39.95Was: $59.95H&K 93/53/33 (5.56/.223) Backplate - Painted - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German backplate with the recoil assembly cup...HKP-16254-BNow: $39.95Was: $59.95 -
HK21 FMP Parts Kit, 7.62x51
H&K Heckler & Koch
$1,938.95H&K HK21 FMP Parts Kit, 7.62x51 Seize your opportunity to secure a piece of history! These HK21 parts kits were manufactured by the Portuguese government under license from HK using HK's tooling, dies, and prints. Each HK21 kit has been...HKP-21393$1,938.95 -
HK416, HK417, MR556, MR762 Takedown Pin - Rear - A1 Style
H&K Heckler & Koch
$79.95H&K HK MR556/MR762/416/417 Rear Lower Receiver Locking Pin This is the rear takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and improve...HKP-02672$79.95 -
HK91, G3 Complete F/A Trigger Pack (SEF) - Used
H&K Heckler & Koch
$299.95H&K G3/91 (7.62x51/.308) SEF Complete F/A Trigger Pack - USED A Heckler & Koch genuine part. The best price anywhere for a complete surplus German trigger pack. This offering is a full auto HK SEF .308 trigger pack complete with all internals...HKP-00522$299.95