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 Extractor Spring Buffer
HKP HK Parts
Now: $4.31Was: $5.39HKP HK MR556/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 & HK416 FirearmsNow: $4.31Was: $5.39 -
On Sale
HK UMP Barrel - .45 ACP - 3 Lug Adapter
OMEGA
Now: $404.95Was: $449.95Omega HK UMP .45 ACP Barrel - 3-Lug This is the newest barrel for the UMP to hit the market that will come with a removable 3-lug adapter. The 3-lug adapter will be the same spec as the MP5 3 lug, making your UMP more versatile when it comes down to...Now: $404.95Was: $449.95 -
On Sale
HK G36K Handguard
H&K Heckler & Koch
Now: $125.95Was: $139.95HK G36K Forearm With Hand Stop & Heat Shield- German HK New HK German latest production HK G36K forearm that has the hand stop and heat shield installed. Also a popular forearm choice for those doing the SL8 to G36 conversions. Has the mounting...Now: $125.95Was: $139.95 -
On Sale
Kinetic Development Group HK USC Conversion to ACR Stock Upgrade - FDE
Now: $413.95Was: $459.95HK USC-UMP ACR Stock Adapter & ACR Stock Combo - Brown A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and...Now: $413.95Was: $459.95 -
On Sale
HK MP5 Handguard With LED Weapon Light - Used
B&T Brugger & Thomet
Now: $359.95Was: $399.95B&T HK MP5 Handguard With LED Weapon Light - Used B&T model TL99CREE LED lit handguard for HK MP5, 94 models. Each unit handguard is built with the integrated tactical LED light & 3 position switch. Specifications: High intensity torch...Now: $359.95Was: $399.95 -
On Sale
HK SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
Now: $80.95Was: $89.95H&K SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. It will have some nicks but overall this house is in good working condition. For use with SEF style trigger packs. This will not work with...Now: $80.95Was: $89.95 -
On Sale
MP5 Surefire 628 Handguard - USED
Surefire
Now: $38.95Was: $79.95Surefire 628 Complete Forearm - As Is Surefire 628 MP5 Forearm for lights. Condition: Used Cracked Surefire 628 forearm single momentary (see photos). All have been tested and fully functional. Cracks on the forearm will vary from push pin hole crack to...Now: $38.95Was: $79.95 -
On Sale
HK USP Mag Pouch - Single
Comp-Tac
Now: $35.96Was: $39.95Comp-Tac HK USP Single Mag Pouch The Comp-Tac single magazine pouch is an outside the waistband holder to carry a spare magazine for competition, concealed carry or general use. The Comp-Tac single magazine pouch provides a rigid material that is custom...Now: $35.96Was: $39.95 -
On Sale
HK416, MR556, HK417, MR762, G28 Pistol Grip - PSG1 Sniper Style - RAL8000
H&K Heckler & Koch
Now: $116.95Was: $129.95H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - RAL 8000 HK German PSG1 style sniper factory. Each grip will fit all AR-15/M-16 lower receivers as well. Superior fit & feel to any other grip on the market. HK has hit a home run with their...Now: $116.95Was: $129.95 -
On Sale
HK G36, SL8 Extractor
USA
Now: $39.95Was: $67.95G36 & HK SL8 Extractor For Bolt Head Compatible With: All G36 variants SL8-1, SL8-6Now: $39.95Was: $67.95 -
On Sale
HK G36, MP7 Bolt O-Ring - Firing Pin - US
USA
Now: $5.36Was: $5.95HK G36 & MP7 Firing Pin Bolt O-ring. This is also the O-ring for the retaining pin for the MP7- US. Compatible With: HK G36 HK MP7Now: $5.36Was: $5.95 -
Out Of StockOn Sale
HK G36K (5.56/.223) Quad Rail Handguard
B&T Brugger & Thomet
Now: $296.95Was: $329.95Swiss Made B&T Quad-Rail (4 Sided Picatinny Rail) Handguard For HK G36K Aluminum version with rail cover and sling swivel. The B&T offering is the finest railed hand guard available for the HK G36K or SL8 conversions to G36K spec.B&T...Now: $296.95Was: $329.95