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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Out Of Stock
HK G36C Handguard
H&K Heckler & Koch
$0.00G36C Slim line handguard with Hkey mounting slots HK German G36C forearm with HKey mounting slots. Made in Germany.HKP-18546$0.00 -
Out Of Stock
HK G36K Rod and Spring - Gas Piston
GSG9
$59.95HK G36K Gas Piston Rod/Spring Assembly - USA New spring assembly that is a must have for spare parts or to use on that HK Sl8-G36 conversion. This is the proper length gas piston to be used for a 12.5" G36K style length gas block and barrel assembly...HKP-18249$59.95 -
Out Of Stock
HK416, MR556 Flash Hider - Threaded 15x1 RH
H&K Heckler & Koch
$0.00Heckler and Koch's Factory Correct Flash Hider - Threaded 15x1 RH Fits all HK barrels. 15x1 The right-hand thread is the thread pitch. Perfect for the SL8 and G36 type conversions. Specifications: Threaded 15x1 RH Compatible With: HK416 HK MR556 HK...HKP-00952$0.00 -
Out Of Stock
HK G36 (5.56/.223) 4 Position Burst Navy Style Lower Housing
H&K Heckler & Koch
$0.00H&K G36 (5.56/.223) 4 Position Burst Navy Style Lower Housing This lower housing, featuring the Navy style housing, is offered without internals. Previously, G36 lowers were only available as complete trigger groups, including both the lower grip and...HKP-02231$0.00 -
Out Of Stock
HK G36/SL8 (5.56/.223) Single Optic Carrying Handle - Used
H&K Heckler & Koch
$0.00HK German G36, SL8 Single Optic Carrying Handle In Used Shape.HKP-00806$0.00 -
Out Of Stock
HK USC Magazine Release - Extended - .45 ACP
HKP HK Parts
$24.95HK USC Alloy Mag Release - Extended Billeted alloy USC magazine release. This is a very common repair & replacement part as they are fairly easy to break on the USC lower. With this new metal mag release you get more surface area as well as a much...HKP-17918$24.95 -
Out Of Stock
HK UMP, USC Extractor - .40 S&W
$39.95New US-Made USC Or UMP .40 Extractor This part is a repair and replacement item, as these are prone to breakage, and it's a part that's hard to find and a great item to have on hand. Please Note: HK considers this a high wear and replacement...HKP-02624$39.95 -
Out Of Stock
HK UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1,2,F)
H&K Heckler & Koch
$0.00Stripped UMP Pistol Grip - 4 Position (0,1,2,D) PictogramHKP-17817$0.00 -
Out Of Stock
HK UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1,F)
H&K Heckler & Koch
$0.00UMP Pistol Grip Stripped & Incomplete - 3 Position (0,1,F) Pictogram New German HK UMP 3 position lower.HKP-17816$0.00 -
Out Of Stock
HK UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1)
H&K Heckler & Koch
$0.00UMP Pistol Grip Stripped & Incomplete - 2 Position (0,1) Pictogram New HK German manufacture, rare and hard to find. If you have an HK USC you can use this housing with the USC lower internals for a complete USC to UMP lower assembly that you can use...HKP-17815$0.00 -
Out Of Stock
HK UMP (.40 S&W/.45 ACP/9mm) Demilled Rear Receiver Section
H&K Heckler & Koch
$0.00HK UMP Demilled Receiver Section This is a demilled factory HK UMP rear receiver section that is perfect for the new Tom Bostic USC-UMP conversions. This section is the perfect length in order to do the USC/UMP conversion. Last one available.HKP-01659$0.00 -
Out Of Stock
HK UMP (9mm) Parts Kit
H&K Heckler & Koch
$0.00HK UMP 9mm Parts Kit - Like New Condition Click this link to complete your build with an S5 Tactical receiver. Black Ops Defense offers the full gamut of USC/UMP conversion services for factory-correct, full-German builds. Includes: Front...HKP-02425$0.00