Out of stock online
Harrington & Richardson Retro 604 "Air Force" Complete Upper Receiver, 1/12 Twist, Gray
Out of stock online

Harrington & Richardson Retro 604 "Air Force" Complete Upper Receiver, 1/12 Twist, Gray

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Details
SKU HR51655160058
Brand Harrington & Richardson
Model Number HR51655160058
UPC HR51655160058
Caliber 5.56x45mm
Customers must read Compliance Information before purchasing.

Product Details

Details

Caliber: 5.56 NATO 
Barrel Length: 20”
Barrel Profile: Pencil 
Barrel Steel: 4150 Chrome Moly Vanadium
Barrel Finish: Parkerized  
Chrome Lining: Yes
Muzzle Thread Pattern: 1/2" x 28
Twist Rate: 1/12
Barrel Extension: Rifle
Gas System Length: Rifle
Diameter at Gas Block: .625"
Gas Block Type: Rifle Height Front Sight Base   
Muzzle Device: A1 style
Receiver Material: Forged 7075-T6 
Upper Receiver Type: Slick Side M16A1 w/o feed ramps
Handguard Type: M16A1 Triangular, with heat shields
Bolt Material: Carpenter 158 Steel
Bolt Carrier Profile: Full Auto
Overall Length: 30 inches
Weight (as configured): 5 lbs

Features

These exclusive retro uppers are a throwback to the late 60's era 604s that features a grey anodized slick sided upper receiver with a 20" parkerized 5.56 NATO barrel. The rifle length gas system and C158 BCG are paired to ensure smooth cycling and maximum durability. The later model 604 rifles also featured a mil-spec "birdcage" style A2 muzzle brake rather than the 3 prong brakes used on the previous versions. These complete uppers are hand fitted and assembled right here in the United States of America.        

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.
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