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 UMP, USC Firing Pin Spring
H&K Heckler & Koch
$9.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts. Compatible with: All HK UMP & USC FirearmsHKP-00262$9.95 -
HK G3 Repair Manual
HKP HK Parts
$15.95HK G3, 91, PTR Repair Manual This manual contains parts 3 and 4 of the G3 Rifle Manual for the G3, which is the full auto version of the HK91. Part 3 is for troop repair and part 4 contains field repairs. This manual is NOT a heavy-duty...HKP-15212$15.95 -
Out Of Stock
HK416, MR556 Magazine - 30 Round - Maritime- TiN
H&K Heckler & Koch
$149.95HK 416 & MR556 30 Round Maritime Magazine - TiN Coated Get your hands on some TiN coated factory Heckler & Koch magazines. Each magazine starts out as a fresh 30 round mag before being professionally dsiassembled, TiN coated, and...HKP-21468$149.95 -
HK416, MR556, G36, SL8, B&T APC223 Flash Hider - Suppressor Compatible - Threaded 1/2x28
B&T Brugger & Thomet
$139.99B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal Elevate the performance of your HK 416 or MR556 with this premium flash hider. Designed for compatibility with a range of suppressors, this flash hider features a...HKP-21394$139.99 -
HK MP5 Folding Brace - Skeletonized - Swiss
B&T Brugger & Thomet / SB Tactical
$299.95B&T MP5, SP5 Folding Brace - Swiss/USA - Skeletonized 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...HKP-21052$299.95 -
HK MP5 Rear Sight Set - Dented
H&K Heckler & Koch
$49.99Rear Sight with Hardware - Used Dented - MP5 German HK MP5 rear sight assembly with a dented 4 position drum. Condition will vary. Includes: HK rear sight Detent Spring windage screw Sight screw Washer Locking washer Compatible With: MP5 MAC-5 clones...HKP-19247$49.99 -
HK416, MR556 FFRS Retaining Spring
H&K Heckler & Koch
$9.99H&K HK MR556/HK416 FFRS Retaining Spring The retainer spring retains the handguard locking pin on the Free Floating Rail System (FFRS). These can become damaged with the removal of the handguard screws. Once the spring is damaged, they have to be...HKP-02617$9.99 -
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 -
HK416, MR556, HK417, MR762 Rear Sight - Flip Up - 2mm
H&K Heckler & Koch
$274.95H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm This sight attaches to any standard Picatinny rail. No hardware is needed as this is a self-contained quick-attach rear sight assembly. This unique HK-designed sight features a quick and easy push...HKP-08951$274.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack
KCI
$349.95KCI 30 Round MP5 9mm Magazine - 10 Pack Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All steel...HKP-22058$349.95 -
Side Folding Bar for Tailhook Brace
MI Midwest Industries
$129.95MI Pistol Brace Compatible Side Folder For use with Gear Head Works Tailhook Pistol Brace Features: Made in the USA Heavy duty side folding mechanism constructed from 4140 steel Full length locking lug for maximum strength. Solid positive...HKP-19959$129.95 -
On Sale
HK P30SK Stand Off Device
HKP HK Parts
Now: $68.95Was: $109.95HKP HK P30SK Stand Off Device The P30SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger). The ulimate component for close quarters interdiction. ...HKP-19191Now: $68.95Was: $109.95