Each Faxon barrel goes through a battery of tests at each operation until finished and final inspected. All barrels are individually checked for headspace by precision custom hardened gauges.
The Gunner profile is a blend of two popular profiles, Government from the extension to the gas block, to a .750″ gas block journal, then a Pencil profile out front. This barrel has a pistol-length gas system for optimal reliability with both subsonic and supersonic ammunition.
The 5R rifling used has 5 lands and grooves which puts lands opposite of grooves. Further, the transition from the top of the land to the groove is sloped. This reduces projectile deformation as it passes through the bore during the firing sequence. By placing the lands opposite of the grooves, the bullets are no longer squeezed on opposite sides ensuring the projectile stays uniform instead of squeezing material into the grooves. More uniform projectile means better accuracy. By sloping the transition to the groove, the barrels become much easier to clean. In a conventionally rifled platform, these corners become depositories for lead and superheated materials left after shooting. Cleaning supplies have a hard time reaching these corners as they are incredibly small. By sloping it, cleaning supplies are easily able to get to the deposits.
Additionally, this barrel is NP3-lined for it’s high corrosion resistance, improved lubricity, for ease of cleaning, and increased barrel life.
Specs:
• 1:8 twist
• gunner profile
• 416-R stainless
• 5R button rifling
• pistol length gas system
• 0.750″ low-profile gas block
• M4 barrel extension
• QPQ Nitride finish
• NP3 lining
• 5/8×24 muzzle threading
• 11-degree target crown
• A2 Flash Hider (unpinned)
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