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 Weldment Set - .40 S&W / 10mm
HKP HK Parts
$189.95HKP MP5 40/10 Bolt Hold Open Weldment Set Complete Not offered or available anywhere else. This is the correct weldment set for the MP5 40/10 BHO components.HKP-17648$189.95 -
Out Of Stock
HK MP5 Field Cleaning Kit - .40 S&W / 10mm
HKP HK Parts / Heckler & Koch
$79.95H&K MP5 40/10 Field Cleaning Kit This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder Chamber Face...HKP-00340$79.95 -
HK MP5, HK33, HK53, HK93 Grip Frame Housing - 2 Position S,F,Pictogram - Clipped, Pinned - 9mm, 5.56 / .223
PTR
$99.95PTR HK MP5 & 93/53/33 (9mm & 5.56/.223) 2 Position (S,F Pictogram) Grip Frame Housing - Clipped & Pinned This is made by PTR-91 to exact HK specs. These housings come clipped and ready for the semi-auto shelf. This HK aftermarket trigger...HKP-00840$99.95 -
HK91, G3, PTR Magazine - 20 Round - Alloy - Like New
Rheinmetall
$19.95Rheinmetall HK G3, HK91, and PTR91 20 Round Magazine - Like New G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. Compatible With: HK G3 HK91 PTR91 In-spec. clones and custom buildsHKP-22495$19.95 -
HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1
HKP HK Parts
$0.00HKP HK MP5K Apparel and Patch Collection - Version 1 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...HKP-22454-M$0.00 -
HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls
AS Designs
$689.95HK416, MR556 A4 3-Position ARC-Fire with Geissele*** Trigger and Ambidextrous Controls AS Designs' ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset triggers. The trigger is reset immediately after each shot, resulting in...HKP-22435$689.95 -
On Sale
HK G3 Buttpad with Catch Spring - Standard Stock - Black - Used - BLEMISHED
H&K Heckler & Koch
Now: $0.97Was: $2.95HK G3 Standard Stock Buttpad - Black - Used - BLEMISHED SOLD INDIVIDUALLY - CRACKED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This German-made buttpad is an excellent replacement for your...HKP-21865-BL-BNow: $0.97Was: $2.95 -
HK91, G3 Barrel Flute Cleaning Brush - 7.62x51 / .308
HKP HK Parts
$19.95HKP HK Cleaning Brush - Barrel Flute - .30 Cal - 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a G3/91-style firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly and render your HK...HKP-22317$19.95 -
Out Of Stock
HK416, MR556 Magazine Catch - Ambi
H&K Heckler & Koch
$92.95H&K HK MR556, HK416 Mag Catch - Ambi Factory HK ambidextrous magazine catch/release. Compatible With: HK416 A5 HK MR556 A4 NOT compatible with earlier variants with single-side controlsHKP-22289$92.95 -
Picatinny, MLOK Optic Mount - Protac 2.0
Streamlight
$169.99Streamlight HK MR556/HK416 Protac 2.0 Rail Mount The Streamlight ProTac 2.0 Rail Mount HP is a high-performance rail-mounted tactical light designed for long-gun applications. Producing 2,000 lumens and 100,000 candela, it delivers intense, far-reaching...HKP-21939$169.99 -
HK UMP Cocking Handle - Assembly
OMEGA
$34.95Omega USC/UMP Cocking Handle Assembly Omega UMP cocking handle assembly is a great complete replacement for broken or worn out cocking handle assemblies. Everything you need for a complete replacement. US made by Omega. UMP cocking handle assembly...HKP-21271$34.95 -
HK416, HK MR223 M-LOK Handguard for (11") - Coyote Tan
B&T Brugger & Thomet
$279.95B&T M-LOK Handguard for HK416/MR223 (11") - Coyote Tan B&T's one-piece 10-inch MLOK handguard for the Heckler & Koch HK416 and civilian equivalent MR223 is an amazing improvement for the combat value of these rifles. A direct replacement for...HKP-20400$279.95