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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HK417, MR762 Charging Handle Latch Spring
H&K Heckler & Koch
$9.95H&K HK MR762/417 Charging Handle Latch Spring This is the charging handle release latch spring. Compatible With: HK MR762 HK 417HKP-16600$9.95 -
Out Of Stock
HK416, MR556 Rear Sight Drum for 10" Barrels
HKP HK Parts
$29.95HKP HK MR556/416 Rear Sight Drum 10" Barrel Length Made in the USA.HKP-17774$29.95 -
HK G36 Picatinny Evaluation Adapter
H&K Heckler & Koch
$59.95HK G36 Picatinny Evaluation Adapter Picatinny Evaluation Adapter for Carry Handle and Sight Rail. Includes all mounting hardware. Compatible With: G36 G36K G36C ModelsHKP-18779$59.95 -
Out Of Stock
HK UMP, USC Extractor - 9mm
USA
$39.95New US-Made USC & UMP 9mm Extractor: This is the perfect spare part for your UMP or USC 9mm conversion. Please Note: HK considers this a high wear and replacement item. Once it's removed from the carrier, the spring tension...HKP-02625$39.95 -
HK UMP, G36 Lower Slide - Burst 0,1,2 - 9mm. .40 S&W, .45 ACP, 5.56 / .223
H&K Heckler & Koch
$14.95HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only Compatible With: HK UMP HK G36HKP-01887$14.95 -
Out Of Stock
HK21E, HK23E 4 Position Trigger Housing
H&K Heckler & Koch
$0.00H&K 21E/23E (7.62x51/.308 & 5.56/.223) 4 Position Trigger Housing This 4 position trigger housing is designed for factory HK21E and HK23E firearms. It is an excellent spare to have on hand for your HK belt-fed firearm, providing reliable...HKP-00248$0.00 -
HK21, HK23, HK11 Tripod Adapter Weldment
HKP HK Parts
$25.95HK21, HK23, HK11 Tripod Adapter Weldment Raw steel tripod adapter, ready to weld to the bottom of an HK21 shroud. This factory spec adapter is compatible with factory HK tripods. Compatible With: HK21 (German and FMP...HKP-00232$25.95 -
Out Of Stock
HK21E, HK23E Buttstock, Complete
H&K Heckler & Koch
$0.00HK German HK21E, 23E Stock Complete The latest manufacture and no longer in production or offered by HK Germany.HKP-00575$0.00 -
HK11, HK21, HK23 Bipod - Surplus
H&K Heckler & Koch
$447.95Heckler and Koch Bipod for HK11, HK21, HK23 German HK bipod for the HK21 series light machine gun system. This is the original, older-style HK21 bipod sourced from military surplus. These units are no longer in production and available only in limited...HKP-00565$447.95 -
HK21E, HK11E, PSG1, MSG90 Firing Pin
H&K Heckler & Koch
$119.95HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK. We have a limited number available and once they are gone, they are gone for good. Compatible With: HK...HKP-01758$119.95 -
Out Of Stock
HK91, G3, PSG1, MSG90 T-Rail Reinforcement Set for Receiver
Michaels Machines
$299.95HK Receiver Reinforcement T-Rail Set For Left and Right Sides T-rails are used to strengthen HK receivers or for custom builds. These are the finest T-rails available on the market. Made from enhanced steel and perfect for that custom HK project...HKP-00236$299.95 -
Out Of Stock
HK91, G3 Magazine Loader
H&K Heckler & Koch
$0.00HK Factory Loader for HK 91/G3 Magazines Compatible With: HK 91 magazines HK G3 magazines PTR-91 Magazines HK PSG1 magazines HK MSG-90 magazines HK 90 series 308 magazinesHKP-00221$0.00