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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HK 416, R556 Castle Nut - A5 Style - Extended
HKP HK Parts
$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...$39.95 -
HK416, MR556 Magazine - 10 Round
H&K Heckler & Koch
$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...$74.95 -
HK Vertical Foregrip - RAL8000
H&K Heckler & Koch
$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...$64.95 -
HK416, MR556, HK417, MR762 Pistol Grip with Storage - RAL8000
H&K Heckler & Koch
$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...$89.95 -
HK Contract 3 Point Sling - Black
H&K Heckler & Koch
$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.$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 -
HK Receiver & Magazine Cleaning Brush For All HK's
H&K Heckler & Koch
$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.$24.95 -
M-LOK 3 Slots Rail Section
Magpul
$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...$18.95 -
HK416, MR556, HK417, MR762, G28 Pistol Grip with Storage - RAL8000
H&K Heckler & Koch
$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...$46.95 -
HK416, MR556, MR762 Trigger Guard Pin
H&K Heckler & Koch
$9.95HK MR556 & HK 416 Trigger Guard Retaining Pin Compatible With: HK 416 HK MR556$9.95 -
HK416, MR556 Piston Rod - Complete Assembly
H&K Heckler & Koch
$109.95Heckler and Koch Complete Piston Rod Assembly for your HK416, HK MR556, HK417, HK MR762 A great replacement or spare to keep on hand. Compatible With: HK 416, HK MR556 HK 417, HK MR762 Please Note: Does not fit barrels less than 10 inches.$109.95 -
On Sale
HK Contract 3 Point Sling - OD Green
H&K Heckler & Koch
Now: $39.71Was: $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: $39.71Was: $52.95