HK416 / MR556 Series
Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.
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Out Of StockOn Sale
HK 416, R556 Castle Nut - A5 Style - Extended
HKP HK Parts
Now: $31.96Was: $39.95HK 416, MR556 A5 Style Extended Length Castle Nut Unlike the factory German A5 castle, our A5 extended buffer tube castle nut is compatible with both mil-spec & commercial buffer tubes. Crafted from ordnance grade steel and nitrided for a...Now: $31.96Was: $39.95 -
On Sale
HK416, MR556 Magazine - 10 Round
H&K Heckler & Koch
Now: $67.45Was: $74.95HK416 & MR556 Factory - 10 Round Steel Maritime Coated Magazine Compatible with AR-15 & M16 firearms. All steel & stainless construction, maritime coated & made to last a lifetime. Compatible With: HK MR556 HK 416 HK...Now: $67.45Was: $74.95 -
Out Of StockOn Sale
HK Vertical Foregrip - RAL8000
H&K Heckler & Koch
Now: $58.46Was: $64.95H&K Vertical Foregrip - RAL 8K Each Vertical Grip features the factory HK markings & HK's unique locking system. Rotating the knob at the base of the grip to engage/disengage the Picatinny locking piece allows the user to install/remove the...Now: $58.46Was: $64.95 -
On Sale
HK416, MR556, HK417, MR762 Pistol Grip with Storage - RAL8000
H&K Heckler & Koch
Now: $80.95Was: $89.95H&K 416/417 & MR556/762 Battle Grip With Storage Compartment - RAL 8000 New HK German factory battle grip with storage compartment access located in the bottom of the grip. Superior fit & feel to any other grip on the market. This is a great...Now: $80.95Was: $89.95 -
On Sale
HK Contract 3 Point Sling - Black
H&K Heckler & Koch
Now: $40.46Was: $44.95HK Contract 3 Point Sling - Black German military surplus 3 point HK sling in like new condition. These slings are completely operational and a great value for the money.Now: $40.46Was: $44.95 -
HK416, MR556 Buffer Tube - Mil-Spec
HKP HK Parts
$29.95Mil-Spec US-Made Buffer Tube Compatible With: HK416 HK MR556 All AR-15 style platforms Features: Made from T7 7075 aircraft grade aluminum 6-position Made in the USA Each features a highly polished inside tube Black mil-spec triple hard coat teflon...$29.95 -
On Sale
HK Cleaning Brush - Receiver and Magazine - All Models
H&K Heckler & Koch
Now: $22.45Was: $24.95HK Receiver & Magazine Cleaning Brush For All HK's Fits all standard 8-32 US thread cleaning rods. Made and designed for cleaning the HK magazines as well as the upper and lower receivers and mag wells. Works with HK and non-HK applications alike.Now: $22.45Was: $24.95 -
On Sale
M-LOK Rail Section - 3 Slots
Magpul
Now: $17.05Was: $18.95Magpul M-LOK 3 Slots Rail Section Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...Now: $17.05Was: $18.95 -
On Sale
HK416, MR556, HK417, MR762, G28 Pistol Grip with Storage - RAL8000
H&K Heckler & Koch
Now: $42.26Was: $46.95H&K HK MR556/MR762/416/417/G28 Battle Grip With Storage - RAL 8000 New HK German V7 factory battle grip with storage compartment in the bottom of the grip. Superior fit & feel to any other grip on the market. HK has hit a home run with...Now: $42.26Was: $46.95 -
On Sale
HK416, MR556, MR762 Trigger Guard Pin
H&K Heckler & Koch
Now: $8.96Was: $9.95HK MR556 & HK 416 Trigger Guard Retaining Pin Compatible With: HK 416 HK MR556Now: $8.96Was: $9.95 -
On Sale
HK416, MR556 HK417, MR762 Spring- Firing Pin
H&K Heckler & Koch
Now: $13.46Was: $14.95H&K MR556/MR762/416/417 Firing Pin Spring This part is great to have on hand as this item is a high wear and replacement part and one of the most common breakage parts on the HK 416/MR556 rifles. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK...Now: $13.46Was: $14.95 -
On Sale
HK Contract 3 Point Sling - OD Green
H&K Heckler & Koch
Now: $35.74Was: $52.95HK Contract 3 Point Sling - OD Green HK contract 3 point sling NIW. This is the best valued HK 3 point sling available for the HK 90 series of firearms. HK Green in color.Now: $35.74Was: $52.95