Description
- Chambered in 5.56 Shoots 5.56 & .223
- 1/7 twist
- 7.5″ length
- 0.750 gas block
- Phosphate Coated
- 4150 Steel
- Magnetic particle tested and air-gauged for quality assurance.
- Melonite nitride treated barrel life is increased to 45,000
- 75 to 82 HRC Hardness
Melonite is a process that is sodium nitride that ultra hardens the barrel and makes the barrel impervious to rust and wear making this barrel last much longer than a conventional barrel and has better life expectancy than chrome lined but with much improved accuracy. Great for full auto builds.
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