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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HK G36 Folding Stock or Brace - HDA3
Haga Defense
$349.95HK G36 Folding Stock or Brace - HDA3 The HDA3 is a modular, USA-made stock or brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...HKP-22357-M$349.95 -
Picatinny Optic Mount Shield - ACRO P2, C2 - S.W.O.R.D.S
Frost Defense
$239.95Aimpoint ACRO P-2, C-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint ACRO P2/C2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the...HKP-22341-M$239.95 -
HK UMP, USC M-LOK Attachment Piece
HKP HK Parts
$29.95HKP HK UMP/USC M-LOK Attachment Piece Upgrade your UMP and USC with the HK Parts M-Lok attachment piece, designed to eliminate the hassle of snagging and shredding your knuckles on Picatinny rails. This exceptional set significantly expands the range of...HKP-22249$29.95 -
On Sale
HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED
H&K Heckler & Koch
Now: $149.95Was: $199.95H&K Heckler & Koch's Conversion Magazine for HK91, G3 - Conversion Kit - 20 Round - BLEMISHED CONDITION MAY VARY. DENTS VISIBLE BUT MAGAZINES ARE STILL FUNCTIONAL. REFER TO PHOTOS TO ASCERTAIN CONDITION. Priced for ONE Conversion Magazine -...HKP-20750-BNow: $149.95Was: $199.95 -
On Sale
HK MP5K Stock with Direct Fit Adapter
Magpul
Now: $149.95Was: $199.95Magpul HK MP5K Stock with Direct Fit Adapter MP5K DT Magpul stock ready to drop in on any in-spec MP5K receiver or clone. We take our AR MP5K Adapter and attach it onto a mil-spec buffer tube. We then drop it on to the new Magpul DT Carbine stock. This...HKP-21412-MNow: $149.95Was: $199.95 -
PTR Flat Tip Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an innovative approach to this classic sighting system. Featuring a conventional flat-tipped post and a striking Tritium dot with a Lumi Green...HKP-21104$87.95 -
HK MP5K Binary Trigger Group - Ambi - BFSIII - 9mm
FA Franklin Armory
$1,899.95Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the...HKP-20933-M$1,899.95 -
HK SP5 Stock or Brace Adapter - AR M4 - QD Slint Attachment Point
HKP HK Parts
$159.95HKP HK SP5 AR, M4 Brace/Stock Adapter - QD Slint Attachment Point Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points and Cerakote finish for the best looking AR stock adapter...HKP-20725$159.95 -
HK416, MR556 Super Modular Handguard - 10.5" - M-LOK - DDC
Geissele
$468.95Geissele 10.5" M-LOK Handguard - DDC for HK416 The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength,...HKP-20225$468.95 -
Out Of Stock
HK G28 Flash Hider - Threaded 15x1 RH
H&K Heckler & Koch
$179.95H&K G28 Flash Hider - Threaded 15x1 RH Contains the factory correct thread pitch and markings. Rare here in the USA. Specifications: Made in Germany. Threaded 15x1 RH Compatible With: HK MR762 models and varaints HK 417 models and variants HK...HKP-18444$179.95 -
HK94 Barrel Shroud - Vertical Grip - Original - Vented
E&L MFG
$139.95HK94 Clone Original Vented Barrel Shroud w/ Grip This is the OEM HK part. The vertical grip is detachable and will not fit heavier barrels such as Vector or MKE barrels. Please Note: This will NOT fit 3 lug barrels.HKP-00020$139.95 -
HK G36K Handguard
GSG9
$120.95GSG9 Handguard with Hand Stop and Heat Shield for HK G36K HK G36K length latest production HK G36K handguard with built in heat shield. Each unit features a built in hand stop with sling attachment points. Built in hard mounting points for adding...HKP-18217$120.95