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, HK94 Slimline Handguard
H&K Heckler & Koch
$69.95H&K HK MP5 & HK 94 Slimline Forearm Used German military slimline forearm refinished and cerakote in a black finish. Modified to fit the MP5 & SP5. These are rare items only offered here at HK Parts. Each item is in good to...HKP-20274-M$69.95 -
HK416, MR556, HK417, MR762, G28 Pistol Grip - V2
H&K Heckler & Koch
$75.99H&K HK MR556/MR762/416/417/G28 V2 Battle Grip With Contoured Back Strap HK-manufactured AR15-style pistol grip will fit all AR-15/M-16 lower receivers as well. It is a great upgrade for any AR15, M16/416 style firearm. Provides...HKP-01912$75.99 -
HK G36, SL8 Locking Push Pin for Handguards, Lowers, Magwells
GSG9
$18.95HK G36, SL8 Push Pin For Forearm, Magwell, & Lower Each push pin/locking pin retains the forearm, magwell, & lower to the upper receiver. Each G36 style firearm uses a total of 3X of these push pins. Compatible With: G36 G36K G36C G36...HKP-18221$18.95 -
HK UMP Magazine Block - .45 ACP - 25 to 10 Round Conversion
HKP HK Parts
$9.95HKP HK UMP .45 ACP Magazine Block UMP mag block plug to limit the magazine capacity to 10 rounds for states with capacity restrictions. This is designed to use on the HK UMP .45 25 round magazine. Very easy to install & use. Compatible With: HK UMP ...HKP-18171$9.95 -
HK416, HK417, MR556, MR762 German E1 Convex Butt Pad
H&K Heckler & Koch
$64.95HK MR556, HK416 & MR762, HK417 German E1 Convex Butt Pad The HK Convex buttpad can be used to swap out on the factory E2 or concave-style buttpads for those who desire this option. This way, you can use the concave or convex-style buttpads...HKP-01915$64.95 -
Out Of Stock
HK91, HK21, HK93 Fixed Stock Heavy Rubber Buttpad - MM
Michaels Machines
$79.95MM Fixed Stock Heavy Rubber Buttpad Reduce the felt recoil transferred to your shoulder with the Michael's Machines heavy rubber buttstock pad. Perfect replacement for old, hard original buttstock pads. US made and backed by a lifetime...HKP-00914$79.95 -
Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green
Michaels Machines
$199.95Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green US Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad in OD Green. Just add your buffer & backplate and you are good to go. Great...HKP-19041$199.95 -
HK MP5 Surefire Lighted Handguard - 328LMF
Surefire
$649.95Surefire - 328LMF - Lighted Handguard The SureFire 328LMF-B replaces the original handguard of your HK MP5, HK53, or HK94. Compact 3-volt (1-battery) system features a virtually indestructible LED emitter focused by a TIR lens, which produces a brilliant...HKP-17632$649.95 -
Out Of Stock
HK416, HK417, MR556, MR762 Rail Cover Set
H&K Heckler & Koch
$69.95H&K HK MR556/MR762/416/417 Rail Cover Set Brand new Heckler & Koch Picatinny rail covers made of high impact HK polymer. Each rail is equipped with a quick release tab & marked with the HK logo. Specifications: Length: 8...HKP-17704$69.95 -
HK G3 Standard Stock Buttpad - Like New
H&K Heckler & Koch
$11.95H&K Standard Stock Buttpad - Like New This HK German-manufactured stock buttpad in dark OD green is the ultimate replacement for your worn-out or broken buttpad on your G3 A2 fixed stock. Handpicked to ensure the highest quality part possible...HKP-21479-M$11.95 -
HK German Leather Sling - Used-Very Good
H&K Heckler & Koch
$59.95Original Surplus German HK Leather 2 point sling - Used- Very Good Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in good shape overall. Made with leather straps and steel hardware and HK sling hook. Last of the...HKP-20345$59.95 -
HK MP5, SP5K Cocking Support Detent
H&K Heckler & Koch
$9.95Cocking Tube Support Detent For The MP5, 94, MP5K, SP89, & SP5KHKP-01103$9.95