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
HK417, MR762, G28 Buttstock - Adjustable
H&K Heckler & Koch
$347.95 - $425.95H&K HK MR762/417/G28 Adjustable Buttstock The HK G28 adjustable stock upgrade is to be used on the MR762, HK 417 stocks with the G28 buffer tube and G28 castle nut. The G28 stock is fully adjustable for length of pull as well as the cheek...HKP-16721-M$347.95 - $425.95 -
HK416, MR556, MR762 Bolt Catch Plunger
H&K Heckler & Koch
$9.95Heckler and Koch HK MR556 and HK416 Bolt Catch Plunger Compatible With: HK416, MR556 HK MR762HKP-02655$9.95 -
HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto
HKP HK Parts
$8.95HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5 New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...HKP-18210$8.95 -
HK MP5, MP5K Bolt Head, Complete - F-Style
H&K Heckler & Koch
$499.95MP5 & HKSP5, MP5K & SP5K F Bolt Head Complete - HK German This part will fit all HK 9mm rifles and MP5 pistols. This is the latest HK production and generation of bolt heads available. These are rare and HK now considers them restricted...HKP-00130$499.95 -
HK SP5K, MP5K Cocking Tube Support Spring - Reverse Stretch
H&K Heckler & Koch
$6.95Heckler and Koch HK SP5K, MP5K Reverse Stretch Cocking Tube Support Spring A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable to the detent to lock...HKP-17873$6.95 -
HK MP5, HK33, G3 Optic Mount - Mid Range
B&T Brugger & Thomet
$129.95B&T MP5, HK33, G3, PTR - Mid Range Mount This scope mount will allow the the use of the HK fixed sights (through an oval opening) and also allowing the optic to sit higher thant the front sight tower for an unobstructed view. This will allow the use...HKP-16882$129.95 -
HK MP5, SP5 Handguard - SD Style Conversion
HKP HK Parts
$279.95HK Parts Handguard Conversion HK MP5SD Convert your standard MP5 to the iconic SD-style look with this HKP MP5SD handguard conversion. Designed for aesthetics only, this drop-in handguard gives your MP5 the suppressed MP5SD appearance without requiring...HKP-22091$279.95 -
HK MP5K, SP5K Pistol Stabilizing Brace - SBA3 - 5 Position Adjustable
SB Tactical
$269.95SBA3 - 5 Position Adjustable Stabilizing Brace - MP5K / SP5K The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances versatility, and features a minimalist design with an...HKP-20277$269.95 -
On Sale
HK MP5 Cocking Handle
AC-Unity
Now: $19.95Was: $24.95AC-Unity HK MP5 Cocking Handle Compatible With: MP5, 94, MP5SD MP5K, SP89, SP5K Zenith 9mm firearms, POF Other MP5 clones or custom HK 9mm buildsHKP-20158Now: $19.95Was: $24.95 -
HK UMP, USC Firing Pin Assembly - Complete
H&K Heckler & Koch
$82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sHKP-00609$82.95 -
HK91, G3 Magazine Clamp
H&K Heckler & Koch
$149.95New HK German Magazine Clamp for all HK .308 Magazines New German HK G3 & HK 91 Magazine Clamp fits all HK G3 & HK 91 & PTR 91 steel or aluminum magazines. Clamps HK magazines together for tactical environments. Please Note: This part is no...HKP-00219$149.95 -
HK MP5, MP5K Soft Gun Case - 29"
H&K Heckler & Koch
$139.95HK Factory 29" MP5/SP5 Soft Tactical Case with HK Logo Compatible With: HK MP5/SP5 HK MP5K/SP5K Similar size firearmsHKP-17428$139.95