HK

HK 51000385 MR556 Upper Receiver Kit 5.56mm for AR15/M16/M4

$2,179.00
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Please Note: Image may not be the actual representation of the item. Please verify the item by reading the complete description before purchasing.

Out of stock

SKU:
SS-WH2-178701
UPC:
642230270220
Condition:
New
Availability:
Warehouse 2
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Please Note: Image may not be the actual representation of the item. Please verify the item by reading the complete description before purchasing.
This kit includes a complete upper receiver/barrel assembly allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HKs piston and pusher rod system. This system utilizes a piston and a pusher rod in place of the gas tube normally found in AR15/M16/M4-style rifles. This closed system virtually eliminates the malfunctions that are common in direct-impingement gas systems since hot carbon fouling and waste gasses are not propelled into the receiver area to operate the action. This is the same key feature critical to the success of the HK416 used by elite military and law enforcement customers. Upper will ship in HK Soft case.

HK 51000385 UPPER RECEIVER KIT MR556A4 11
Mfg Item Num: 51000385
Model Number: MR556
Series: Upper Receiver Kit
Unit of measure: EA
Caliber: 5.56mm

Returns Policy

  • We do not accept returns. All sales are final.
  • Consumers need to know all local and state laws. If purchasing a firearm, ammunition, or magazines you agree that you are 21 years of age.

Delivery Date and Manually Reviewed Orders

  • Orders placed between Monday and Friday typically ship the same day if placed before 12PM EST. If your order requires manual review the shipping date may be delayed
  • Orders that need to be manually verified are flagged by our system. Typically we flag orders for manual verification if the billing and shipping address do not match, we need an ID on file to ship the order, or if the order is from a first time customer for a large amount. We will contact you promptly to verify your order or request an ID. Please feel free to contact us in advance to verify the order. Please submit the Drivers License to us via email: FFL@VIZARDSGUNS.COM. Once you have been verified you will not need to re-verified on your future orders. We thank you for your business and assistance.

Shipping Restrictions

Alaska No ammunition
California Warehouse 2 Only-Must be shipped to an 01 FFL Dealer
No tracer ammunition
No magazines over 10 rounds
Connecticut No magazines over 10 rounds - Must have a Pistol Permit and Driver’s License
Colorado No magazines over 15 rounds
DC No magazines over 10 rounds
Hawaii No Ammunition, no magazines over 10 rounds, no Starter Pistols
Illinois Must have an Illinois Firearms Owner Identification Card and Drivers License, no shipments to Chicago
Maryland No magazines over 10 rounds
Massachusetts We ship ammunition from Warehouse 2 & 4: We will ship to your residence. We need your License To Carry and Driver’s License. No magazines over 10 rounds No Starter Pistols
New Jersey No magazines over 10 rounds. We ship ammunition to your residence
New York No magazines over 10 rounds, all ammunition must be shipped to an FFL Dealer
New York City No magazines over 10 rounds, all ammunition must be shipped to an FFL Dealer

How To Purchase a Firearm Online

Step 1:
Please verify the Firearm is legal in your state. You can do this by checking your state’s particular rules or simply ask a local gun dealer. Each state’s rules vary and some states restrict not only who may purchase and possess a handgun, but what particular models are permitted for such possession within that state.

Step 2:
If the firearm is legal in your state then you can make your purchase online.

Step 3:
Once, you have made your purchase contact your local FFL Dealer and have them Fax (603-974-2641) or email their FFL to Sales@VizardsGunsAndAmmo.com. Please have your Customer Order # (which you will find on the top right hand corner of your invoice after you purchased your firearm) and your Name on the FFL.

Step 4:
Once the FFL has been received from your dealer, your firearm will ship within 5 -7 business days.

Step 5:
Once your firearm ships you will receive an email with the tracking information and you can track your package online.
If you need any assistance please contact us at: 603-974-2639 or sales@VizardsGunsAndAmmo.com.
Thank you for your business.