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20'' Yankee Hill 5.56 1x7 Melonite, Non Threaded, Diamond Fluted Barrel

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MSRP Price: $241.50
Our Price: $214.60
You Save: $26.90 (11 %)
We currently have 3 available.
Item Number: BARYHM77F
Manufacturer: Yankee Hill Machine/ MAP Pricing Required
Manufacturer Part No: YHM-77-F

This YHM barrel features a 5.56x45mm NATO chamber for full compatibility with surplus mil-spec ammunition or commercial 223 Remington ammunition. Constructed of 4140 chrome moly steel, the barrel is Melonited for ultimate surface protection. The melonite coating provides a thinner surface than chrome-lining, so bore friction is reduced for better accuracy. In addition, melonite is harder than chrome-lining providing a longer wear life.

This barrel is an excellent choice for a general purpose AR rifle build especially in states that do not allow a threaded barrel. It is perfectly suited for use at the range, in a 3-Gun match, or in the field pursuing game.


  • Surface: Diamond Fluted
  • Length: 20"
  • Weight: 2.70 lbs.
  • Material: 4140 Chrome Moly Steel
  • Chamber: 5.56x45mm NATO
  • Twist Rate: 1 in 7"
  • Chrome Lined: No
  • Finish: Melonite QPQ
  • M4 Feed Ramps: Yes
  • Muzzle Thread Pattern: No Thread
  • Gas Port Location: Rifle
  • Exterior Diameter at Gas Port: 0.750"

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