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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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 -
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 -
HK MP5 Replacement Buffer For Folding Stock Or End Cap
Choate
$3.95Choate MP5 Replacement Buffer For Folding Stock Or End Cap Compatible With: Choate MP5 and MP5K Stocks or End Caps (NOT compatible with MP5 .22 LR)HKP-00116$3.95 -
HK MP5, SP5 Folding Brace
B&T Brugger & Thomet / SB Tactical
$279.95B&T MP5/SP5 Folding Brace - Swiss/US Factory Swiss B&T MP5, SP5 Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling swivel slightly used...HKP-19353$279.95 -
HK GSG-5 Rear Sight
H&K Heckler & Koch
$18.95H&K GSG-5 Rear Sight This item will fit all GSG-5 models, including the PK and P models. This item is an all-steel HK-made part designed for combat and the toughest of environments. Each HK factory sight comes as shown and is...HKP-02401$18.95 -
HK33, HK53, HK93, HK91, G3 Complete Buttstock Buffer Assembly
H&K Heckler & Koch
$24.95HK33, HK53, HK93, HK91, G3 Complete Stock Buffer Assembly - All Mounting Hardware Each unit comes with all of the mounting hardware for installing the G3 buffer to your backplate assembly. Also fits the HK93, 33, and 53 fixed stocks as well (use the same...HKP-00362$24.95 -
HK91, G3 Rear Sight - Surplus
H&K Heckler & Koch
$14.95HK German G3, 91, PTR Rear Sight Assembly Good - Very Good HK German factory sight. We offer the finest used German HK sights at the BEST price in the country. Each German HK used sight was hand selected & picked from to be the finest examples of all...HKP-18092$14.95 -
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 -
HK MP5 Magazine Pouch - Single - 9mm
Comp-Tac
$44.95Comp-Tac HK MP5 9mm Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your HK MP5. The PLM mount allows for being securely hooked on a variety of...HKP-20099$44.95 -
HK21 Cocking Handle - Extended Style
HKP HK Parts
$69.95HK Extended Cocking Handle - HK21 Rubberized extended cocking handles for the older style HK21 firearms. This extended cocking handle makes a HUGE difference when trying to charge the HK21 firearm, as it has increased spring pressure and can be a pain to...HKP-00363$69.95 -
HK USC (.45 ACP) 10 Round Magazine
H&K Heckler & Koch
$74.95HK German Factory 10 Round USC .45 Magazine This is the only magazine that HK offers for HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible with all HK USC Carbines.HKP-00811$74.95 -
HK91, G3 Cocking Handle Support
H&K Heckler & Koch
$24.95New HK German 91, G3, & PTR Cocking Handle Support A genuine German Heckler & Koch all-steel part. Compatible With: HK91 HK G3 PTR-91 PTR-32 HK .308 Custom builds & clonesHKP-01442$24.95