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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Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Subsonic Pew Pew
Zenith
$43.95Zenith 30 Round HK MP5 Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20829$43.95 -
MLOK Handstop Set - Bikini BHS
Strike Industries
$13.95Bikini Hand Stop (2-pack) Strike Industries The Strike Industries Bikini Hand Stop (BHS) gives the shooter increased ergonomics and control of the weapon. The hand stop is made from durable and lightweight polymer compatible with M-LOK rails. The BHS is...HKP-20057$13.95 -
HK UMP Birdcage Flash Hider - .40 S&W, .45 ACP
B&T Brugger & Thomet
$99.95B&T Brugger and Thomet Birdcage Flash Hider in .40 S&W and .45 ACP for HK UMP B&T muzzle brake and flash hider birdcage style with quick detach lever for HK UMP .40 S&W & .45 ACP. Swiss made B&T quick detach flash hider for...HKP-16890$99.95 -
HK USC, UMP .45 Flash Hider - 3 Lug
B&T Brugger & Thomet
$165.00B&T HK USC/UMP .45 Flash Hider - 3-Lug B&T Switzerland has supplied these to law enforcement and military units around the world. Rock solid, mil-spec quality from an H&K OEM manufacturer. This flash hider slips over the end of the 3-lug...HKP-18346$165.00 -
HK416, MR556, HK417, MR762 Front Folding Sight - 28mm
H&K Heckler & Koch
$209.95Heckler and Koch's 28mm Front Folding Sight for HK416, MR556, HK417, MR762 This sight attaches directly to the front gas block of the HK416, HK MR556, or HK417, MR762. This sight is to be used with the proper (caliber and barrel length specific)...HKP-00026$209.95 -
HK91, G3 Lower, Complete - SEF Full Auto - Green - Surplus
H&K Heckler & Koch
$349.95HK Heckler and Koch Complete Full Auto Steel Green Lower SEF from Surplus Stock for HK91, G3 Each lower includes a complete full-auto trigger pack, selector lever, green grip, metal SEF grip frame, and grip screw with washer. All parts are installed and...HKP-16215$349.95 -
HK91, G3 Tactical Handguard
PTR
$149.95New 2nd Generation- HK Black Matte Finish PTR, HK91, G3 Forearm Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides,...HKP-00368$149.95 -
HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black
HKP HK Parts
$279.95New HK91, G3, PTR-91 U.S Made (PTR-91 Manufactured) Fixed Stock with Enhanced Buffer Installed Made from all German & U.S. made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one U.S. compliant...HKP-18937$279.95 -
HK91, G3 Folding Stock
Choate
$147.95HK91, G3, & PTR - Folding Stock The HK Choate side folding stock is complete with a sling swivel and a new German HK backplate, ready to drop on your favorite HK rifle. No gunsmith is needed as this is an easy-to-do drop in stock. Pull the two stock...HKP-01950$147.95 -
HK MP5K Telescopic Stock - SEF - 5 Position - PDWC
HKP HK Parts
$499.95HKP MP5K 9mm 5 Position Telscopic Stock - PDWC The stock rails collapse along the top ridge of the grip frame for the lowest profile stock ever produced for the MP5 family of firearms. Made in the USA. Includes: 5-position stainless steel nitrided...HKP-17825$499.95 -
HK91, G3 Tactical Rail - 4"
HKP HK Parts
$12.95HKP Tactical Rail - 4 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-02528$12.95 -
M-LOK QD Sling Mount
Magpul
$27.95Magpul M-LOK QD Sling Mount The M-LOK Quick Detach Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum, the low-profile M-LOK QD Sling Mount features beveled...HKP-17268$27.95