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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M-LOK Foregrip - Skeleton
JMAC Customs
$89.95JMAC Universal M-LOK Skeleton Forward Grip Can be used as a forward grip or a handstop! Features: Reversible and Lightweight M-LOK Compatible (Requires 2 slots) Fits in and across M-LOK Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat...HKP-21240$89.95 -
HK MP5 Pistol Stabilizing Brace- SBA3 - 5 Position Adjustable
SB Tactical
$269.95SBA3 - 5 Position Adjustable Stabilizing Brace - MP5 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 integral,...HKP-20276$269.95 -
HK G36, SL8, UMP, USC Hammer
GSG9
$124.95G36 & HK UMP Hammer For Lower Or Trigger Group- US Made These hammers are a direct fit on the USC and SL8 platform.HKP-19852$124.95 -
HK416, MR556 Enhanced Field Cleaning Kit
H&K Heckler & Koch
$169.95HK HK416/ MR556 (all variants & models) field cleaning kit- Enhanced Cleaning kit made both the HK 416, MR556 series of rifles and MG's. Includes: Saf-T-Clad Cleaning Rod HK Carbon Scraping Tool Accessory Adapter Section #8-32 Patch Holder Chamber...HKP-17061$169.95 -
Out Of Stock
HK416, MR556 10.5" Super Modular Rail System
Geissele
$472.00Geissele HK416, MR556 10.5" Modular Rail 9.7 " Extended free float rail for use with all HK 416 & MR 556 barrels. Please note: On the HK416 models the sling attachment point on the gas block will need to be removed to allow the handguard to slide on...HKP-16459$472.00 -
HK416, MR556 Ejector Retaining Pin
H&K Heckler & Koch
$6.95H&K HK MR556/416 Ejector Retaining Pin This factory HK German part is the pin that holds the ejector in place on the bolt head. Great to have as a spare part. Compatible With: HK MR556 HK 416HKP-00053$6.95 -
HK UMP, USC Bolt Catch Pin
H&K Heckler & Koch
$5.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch PinHKP-16517$5.95 -
On Sale
HK33, HK53, HK93 Stock or Brace Adapter - AR-15 Style
HKP HK Parts
Now: $174.95Was: $199.95HKP HK 93/53/33 (5.56/.223) AR-15 Style Brace/Stock Adapter PTR Manufactured AR15 to HK 93,33,53 series stock adopter assembly. Each adopter unit will allow the use of AR15 stocks on your HK 93,33,53, C93/C53 or HK94, MP5 firearm. Each assembly includes...HKP-16255Now: $174.95Was: $199.95 -
HK33, HK53, HK93 50 Round Drum Magazine
X Products
$349.9550 Round Drum HK 93, 33, 53 & Clones, Custom Builds - X93, 33, 53 X Products 50 round drum for the HK93, 33, 53 family of firearms. Will fit all in-spec firearms made to German HK magwell specs. Each drum in this limited run was crafted from...HKP-17812$349.95 -
MP5K Complete Weldment Set
$59.95MP5K Complete Weldment Set Each set of weldments is all of the weldments required for an MP5K flat. Includes: Rear sight base Sight tab Case deflector Semi auto shelf Side reinforcement tabs 2 X rear stock bushingsHKP-16231$59.95 -
HK MP5, HK91, G3, HK33 Cocking Tube Detent End Cap
H&K Heckler & Koch
$4.95HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.HKP-18050$4.95 -
On Sale
HK G36, HK33 Compensator - 15x1 RH - KeyMount (KeyMicro)
JMAC Customs
Now: $59.95Was: $99.95JMAC G36/HK33 (5.56/.223) Recoil Reduction Device - 2 Port Compensator 15-1 Threads - KeyMount (KeyMicro) Can be permanently attached to a 14.5" barrel to achieve 16" OAL. Compatible With: HK G36C (NOT compatible with first gen. HK G36C & Tommy...HKP-21254Now: $59.95Was: $99.95