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
HK91, G3 Complete Bolt Head - Enfield HK Contract - Used
H&K Heckler & Koch
Now: $129.95Was: $179.95HK G3 & HK 91 & PTR Bolt Head Complete - British Enfield - Exc/Like New Made On HK tooling & prints in the Enfield factory in Britain in 1988. Each bolt head is complete with the bolt head parts installed & 100% functional. Removed from...HKP-18423Now: $129.95Was: $179.95 -
HK MP5 3 Position 0,1,F Navy Housing
HKP HK Parts
$169.95 - $244.953 Position 0,1, F Navy Ambidextrous Grip Housing - US MADE US-made Navy ambidextrous grip housing, ideal for any factory German ambidextrous trigger pack or US-made trigger pack. This offering counts as one US-made compliant part. Not compatible with...HKP-18196-M$169.95 - $244.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 15 Round - 9mm
Mora Arms
$29.95Mora Arms HK MP5, MP5K Magazine - 15 Round 15-round curved steel magazine for MP5 platforms. Compatible With: MP5, SP5 MP5K, SP5K SP89, HK94 Custom HK 9mm builds & clonesHKP-22352$29.95 -
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 MP5 Flash Hider - .22LR
HKP HK Parts
$49.95HKP HK MP5 .22LR Flash Hider Transform your HK MP5 .22 pistol by adding a direct thread-on flash hider that perfectly replicates the iconic look of the MP5 9mm 3-lug flash hider. Internal O-ring to ensure a secure engament that wont allow the flash...HKP-21648$49.95 -
On Sale
HK G36, HK33 Flash Hider - KeyMount, KeyMicro - Threaded 15x1
JMAC Customs
Now: $87.98Was: $109.95JMAC HK G36/HK33 (5.56/.223) Flash Hider KeyMount (KeyMicro) - Threaded 15x1 In order to use this device with a suppressor it must be installed by a professional to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with...HKP-21255Now: $87.98Was: $109.95 -
HKP 2 Point Leather Sling - Black
HKP HK Parts
$49.95HKP 2 Point Leather Sling - Black These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and hardware...HKP-20152$49.95 -
HK UMP, USC Cocking Lever Spring
H&K Heckler & Koch
$8.95HK UMP & USC Cocking Lever Spring A great spare part to have on hand.HKP-01886$8.95 -
On Sale
HK91, G3 Tactical Rail - 3 Inch
HKP HK Parts
Now: $9.95Was: $14.95HKP Tactical Rail - 3 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-00894Now: $9.95Was: $14.95 -
Out Of Stock
HK Semi Auto Shelf, Hanger Block For Receiver
HKP HK Parts
$13.95HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...HKP-17572$13.95 -
AR-15 Stabilizing Brace - 5 Position Adjustable - SBA3
SB Tactical
$134.95SBA3 - 5 Position Adjustable Stabilizing Brace - AR15 Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is a 5-position adjustable, dramatically enhances versatility, and features a minimalist design with...HKP-18646$134.95 -
HK MP5K, SP89 Receiver Flat with Weldment Set
HKP HK Parts
$239.95HKP - MP5K, SP89 Receiver Flat With Weldment Set New MP5K receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...HKP-20882$239.95