Yankee Hill Machine has introduced new 14.5″ barrels featuring a pinned flash hider or muzzle brake, ensuring a legal overall length of 16″. Constructed from 4150 chrome-moly vanadium steel with Melonite coating for durability and reduced friction, the barrels are compatible with 5.56x45mm NATO and .223 Remington ammunition.
Yankee Hill Machine states “Pinned and welded for a legal 16+” overall length. The low profile muzzle device allows the use of any gas block with a .750″ inside diameter. The YHM barrel features a 5.56x45mm NATO chamber for full compatibility with surplus mil-spec ammunition or commercial .223 Remington ammunition. Constructed of 4150 chrome-moly vanadium steel and coated by Melonite 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 features a permanently attached Low Profile Flash Hider (YHM-24-A) that brings the overall length of the barrel to a legal 16″.”
KEY DETAILS:
- Length: 14.5″ Rifled Length (Overall Length with Flash Hider is 16″)
- Weight: 19.28oz.
- Material: 4150 Chrome Moly Vanadium Steel
- Chamber: 5.56x45mm NATO
- M4 Feed Ramps: Yes
- Profile: M4
- Twist Rate: 1 in 7″
- Finish: Melonite QPQ
- Permanently attached Flash Hider
- Gas Port Location: Mid-Length
- Exterior Diameter at Gas Port: 0.750″
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