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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On Sale
HK416, MR556 Flash Hider - A5 4-Prong Style - Threaded 1/2x28
HKP HK Parts
Now: $15.96Was: $39.95HKP (5.56x.223) A5 4 Prong Flash Hider - Threaded 1/2x28 Made from ordnance grade steel, heat treated, and nitrided for longevity. Machined correctly to reduce tuning fork noise. Counts as one US made compliant part. Available exclusively at HK Parts...Now: $15.96Was: $39.95 -
On Sale
HK91, G3 Stock - PRS Gen 3
Magpul
Now: $386.95Was: $429.95Magpul HK G3 / HK 91 PRS Gen 3 Stock - Available in Multiple Color Options The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment. With solid adjustments...Now: $386.95Was: $429.95 -
On Sale
HK UMP, USC Curved Trigger
HKP HK Parts
Now: $79.96Was: $99.95HKP HK UMP & USC - Curved Trigger With our new curved trigger, you will improve the aesthetics of your firearm. Our curved trigger has spaced-out serrations at the face of the trigger for a far superior grip. Each trigger counts as one US-made...Now: $79.96Was: $99.95 -
Out Of StockOn Sale
AR-15 Firing Pin - Enhanced
Tactical Precision MFG
Now: $11.96Was: $24.99TPM AR-15 Enhanced Firing Pin These AR-15 firing pins are precision machined using CNC Swiss turning centers. The titanium AR-15 firing pin is made from Grade 6 titanium which has an ultimate tensile strength of 140,000 psi. titanium is 40% lighter than...Now: $11.96Was: $24.99 -
On Sale
HK MP5, MP5K Rear Sight Base - MIM and Machined
H&K Heckler & Koch
Now: $13.46Was: $14.95MP5, MP5K Rear Sight Base - Weldment New HK MP5, MP5K 17-4 Stainless H900 rear sight base. The most correct MP5, MP5K rear sight base available. The only factory correct sight base with the factory HK German side axis grooves. If you want your build to...Now: $13.46Was: $14.95 -
Out Of StockOn Sale
HK G36C Barrel Front End Kit - 5.56 / .223 - 8.9" - Threaded 15x1
HKP HK Parts
Now: $711.96Was: $889.95G36C Barrel Front End Barrel Kit - 223/556 New production HK G36C style barrel conversion kit and front end kit. Each kit will include the necessary parts to build a G38/SL8 variant into the G36KC barrel length variant as pictured. All you need is this...Now: $711.96Was: $889.95 -
On Sale
HK G36, SL8 Retaining Pin And O-Ring
H&K Heckler & Koch
Now: $10.75Was: $11.95Retaining Pin For Firing Pin Complete With O-Ring Compatible With: HK G36 HK SL8Now: $10.75Was: $11.95 -
Out Of StockOn Sale
HK53, HK51 Vented Handguard - Vertical
H&K Heckler & Koch
Now: $134.95Was: $149.95HK German HK53, HK51 Vented Hand Guard - Vertical Style This HK German part is the proper length for use on the HK 53 or HK51 length receivers. The handguard is vented on all 3 sides to promote barrel cooling and provide additional grip. Compatible...Now: $134.95Was: $149.95 -
On Sale
HK33, HK53, HK93 Stock or Brace Adapter - AR-15 Style
HKP HK Parts
Now: $139.96Was: $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...Now: $139.96Was: $199.95 -
On Sale
HKP 9mm Titanium Muzzle Brake - 3-Lug
HKP HK Parts
Now: $83.96Was: $104.95Titanium Muzzle Brake for 3- Lug Barrels - 9mm - US - MP5, MP5K Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This muzzle brake doesn't require the of threads as it attached to the 3 lug tip. Also a great addition for any...Now: $83.96Was: $104.95 -
On Sale
HK MP5, HK94 Tactical Folding Stock
Choate
Now: $202.45Was: $224.95Choate MP5 & HK94 Tactical Folding Stock Each stock is adjustable from 10" to 12" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or mission requirements. This will enable...Now: $202.45Was: $224.95 -
Out Of Stock
HK MP5, MP5K Case Deflector
H&K Heckler & Koch
$0.00HK German case deflector for receiver flat or receiver for all MP5, HK94, MP5K & SP89 builds. The case deflector is riveted or welded in place on the ejection port of the 9mm receiver/flat to aid in the extraction of the 9mm round. HK MP5, 94 HK...$0.00