This is what 2A Armament says:

 

Building on our experience with lightweight firearms, 2A Armament set out to design a custom contoured 18" lightweight (31.5 oz) .308 barrel.  This barrel will ship as standard with our Xanthos rifle but is also available for individual purchase.

Features:

    4150 Barrel steel with QPQ Nitride
    .308 Caliber WIN MATCH
    Length 18"
    Rifle-length gas system .081 gas port
    1:10 twist, 5R rifling
    5/8-24 muzzle thread (.625 thread length)
    .750" diameter x 1.0” long gas block journal
    11 deg target crown
    LR-308 (DPMS Compatible) extension
    Weight - 1 lb 15.5 oz

18 2A Lightweight .308 Barrel

SKU: 2A-C308L18PB-1
$289.00 Regular Price
$274.55Sale Price

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