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 MP5K, SP89, SP5K Handguard with Handstop
HKP HK Parts
$29.95MP5K, SP89, SP5K, Reverse Stretch Forearm With Hand Stop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus, this item counts as a US made part toward 922r compliance. Each forearm has the latest enhancements and upgrades...HKP-16466-M$29.95 -
GSG-5, GSG-16 Magazine - 22 Round - .22LR
GSG German Sports Guns
$29.95GSG German Sports Guns 22 Round .22LR Magazine for GSG-5 and GSG-16 The GSG magazine is a standard factory replacement magazine. The magazine is made from high-quality polymer and features a matte finish. Compatible...HKP-00794$29.95 -
HK91, G3, PTR Bolt Carrier Locking Lever
H&K Heckler & Koch
$9.95Locking Lever - HK German G3 - New Old stock No longer made or offered by HK. This is the factory HK German manufactured bolt carrier locking lever. New never installed. These are the LAST new units that HK made. There will be no more once we are sold...HKP-19485$9.95 -
Out Of Stock
HK416, MR556, G36 Gas Piston - Complete
H&K Heckler & Koch
$50.95H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston New HK German gas piston assembly with three locking piston rings installed. This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: HK...HKP-00047$50.95 -
HK MP5, HK94 Folding Stock - UMP Style
B&T Brugger & Thomet
$279.95B&T MP5 & HK94 UMP Style Folding Stock New Swiss/German HK Made B&T Folding Stock for the MP5/ SP5 full size. These are hard to find and the real deal. 100% Swiss & German HK made. This is a military-grade stock. B&T Switzerland has...HKP-16928$279.95 -
Barrel Bore Cleaning Brush - 9mm, .357 SIG
H&K Heckler & Koch
$1.95HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting...HKP-02760$1.95 -
HK416, MR556, HK417, MR762, G28 Pistol Grip - A5 Style - Gen 2 - RAL8000
H&K Heckler & Koch
$44.95Heckler and Koch A5 Grip V2 - RAL 8000 HK416, MR556, HK417, MR762 G28 A5 Compatible With: HK416, HK416 A5, HK MR556 HK417, HK417 A2, HK MR762 HK M27 HK G28 AR-15, M4, & M16 Platforms Please Note: Color representation is based on Heckler &...HKP-18467$44.95 -
HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT
H&K Heckler & Koch
$99.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT German-made Heckler & Koch grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type...HKP-01824$99.95 -
HK MP5K, HK90 Series Sear Complete - Steel - Used Surplus
H&K Heckler & Koch
$12.95Heckler & Koch's Sear Catch Release - Complete for HKP 90, MP5K Trigger Packs - German - Used - Steel German HK Sear/Catch complete with installed detent, spring and roll pin. Used surplus in VG-EXC shape and in perfect working order and complete...HKP-18304$12.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Molykote®
Other
$36.95Molykote® Anti-Friction Coated Turkish Contract 30 Round MP5 9mm Magazine Molykote is a specialty coating formulated to reduce friction and wear between mating surfaces. It not only works well, but this robust finish also looks good too. Available...HKP-22479$36.95 -
HK91, G3, PSG1, HK11 Drum Magazine - 50 Round
HKP HK Parts
$359.95HKP 50 Round Drum HK91, G3, PSG1/MSG90, HK11 - 7.62x51/.308 Modeled after the discontinued HK G8 50 round drum, the HK Parts drum steps in where the original left off. Each drum is crafted in the US from billet aluminum with aluminum and steel...HKP-21615$359.95 -
HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3
H&K Heckler & Koch
$19.95HKP Gas Piston Ring Replacement Combo Set- 3 Rings The gas rings are prone to periodic breakage and wear and tear and require them to be replaced periodically. These are some of the most common breakage parts we see that need to be replaced on these...HKP-00048$19.95