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 Locking Piece - 45 Degree
H&K Heckler & Koch
$29.95Heckler and Koch New Old Stock German HK Locking Piece for G3, 91, and PTR This is the factory-correct 45-degree locking piece for HK 91/G3 and PTR .308 full-length firearms. All steel construction is new in sealed wrapping.HKP-00499$29.95 -
HK G36, G36C, G36K 30 Round Magazine
HKP HK Parts
$38.95HK G36 30 Round Magazine HK Parts 30-round magazine designed to fit all G36, G36K, and G36C variants, and SL8's with the G36 magwell conversion. These magazines are top-quality and proudly made in the U.S. Compatible With: G36, G36K, G36C SL8...HKP-22525-M$38.95 -
On Sale
HK MP5, MP5K Hammer Spring - 9mm - US
MKE
Now: $3.89Was: $5.89MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring. Worn hammer springs can cause light primer strikes and misfires. A great part to load up on for years of trouble free shooting. Crafted per HK specifications by MKE...HKP-22224Now: $3.89Was: $5.89 -
HK33 Wide Handguard Black - Surplus
H&K Heckler & Koch
$99.95HK 33 Wide Handguard Black - Surplus Surplus condition, with minor scratches and wear on the polymer exterior in very good shape overall. 11.5 inches long. The aluminum heat shielding is still intact, riveted to the inside of the handguard. Compatible...HKP-20132$99.95 -
Out Of Stock
HK416 Selector Lever Kit - Full Auto - Ambidextrous - 3-Position
H&K Heckler & Koch
$139.95HK416 Full Auto Ambi Selectors Kit - German HK Each set comes complete with everything you will need to upgrade your HK 416 to an ambi selector lever set up. Factory correct German HK and all steel construction. Includes: 2 X selector levers 2 X roll...HKP-17552$139.95 -
HK UMP, USC Magazine Loader - .45 ACP
H&K Heckler & Koch
$49.95HK German Factory .45 Magazine Loader for HK USC and HK UMP Fits all HK German UMP .45 25-round magazines as well as the USC 10-round factory magazines. A great addition for your range time and to avoid those sore thumbs. Compatible With: UMP (Germany...HKP-00606$49.95 -
HK416, MR556 Ejection Port Spring
H&K Heckler & Koch
$9.95H&K HK MR556/416 Ejection Port Spring Compatible With: HK MR556 HK 416HKP-02616$9.95 -
HK91, G3 Rear Sight Assembly - Used-Excellent
H&K Heckler & Koch
$18.95HK German G3, 91, PTR Rear Sight Assembly - Used Excellent Condition HK German factory sight with rear sigh detent and detent spring installed. These sights are the finest hand-picked, sorted sights available at a fraction of the cost of a new $85 set...HKP-02229$18.95 -
Out Of Stock
HK SP5K Mag Release Upgrade Kit - 9mm - Drop In Paddle
HKP HK Parts
$74.95HKP HK Parts Anti-Rattle Roller Tipped "Paddle" Magazine Release Install Kit for HK SP5K No modifications! No refinishing! Complete drop-in kit included. New USA made busing for a drop-in install kit for the HK SP5K. This kit will allow any end-user to...HKP-18192$74.95 -
Out Of Stock
Barrel Flute Cleaning Brush - 9mm
H&K Heckler & Koch
$34.95Heckler and Koch Barrel Flute Cleaning Brush for 9mm This HK-manufactured brush is a must-have for the proper care of your HK 9mm rifle/pistol, as the flutes need to be clean and free of carbon for proper function. A great cleaning tool to have on hand...HKP-00138$34.95 -
HK MP5, HK33, HK93 A2 Fixed Buttstock - Wood
H&K Heckler & Koch
$399.95HK Heckler and Koch Fixed Wood Stock for HK MP5, HK94, HK93, HK33 Never before has there been a commercially available wooden stock for the HK 93 & MP5 series of firearms. The wood stock is a factory surplus walnut stock integrated with the factory...HKP-16328$399.95 -
HK416, MR556 Mil-Spec Enhanced Buffer Tube
H&K Heckler & Koch
$254.95HK 416 & MR556 OTB (over the beach) Buffer Tube/Receiver Extension Each mil-spec buffer tube has built-in drainage holes in the rear of the tube and also on the bottom to maximize efficiency. Each buffer tube has ball-bearing rollers to tighten the...HKP-02716$254.95