Quantity in Stock: Right To Bear 16" Medium Profile Barrel .300 BLK (Pistol Length)
This .300 Blackout chambered 16 inch medium profile barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.
Quench Polish Quench (QPQ) is a specialized type of nitrocarburizing case hardening that increases corrosion resistance. It is sometimes known by the brand name of Tufftride, Tenifer Black Nitride or Melonite. QPQ is a huge improvement over Chrome Lined barrels. Unlike chrome lining, where the chrome is built up on the surface, QPQ converts the surface without the risk of dimensional build up. The technique is used when two or more of the following properties are required in a work piece:
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Barrel
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Specifications
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|---|---|
| Caliber | 300 BLK |
| Length | 16" |
| Material | 4150 Chrome Moly Vanadium |
| Profile | Medium |
| Finish | QPQ Corrosion Resistant |
| Gas System Length | Pistol |
| Gas Block Journal | .750" |
| Dimpled? | No |
| Twist Rate | 1:7 |
| Muzzle Thread | 5/8x24 TPI |
| Weight | 29.6oz |
| Barrel Extension | M4 Feed Ramps |
| Target Crown | 11 Degree |
