Virtually impervious to weather, nicks, dings or scratches, and up to 30% lighter and 300% stiffer than equivalent weight steel AR barrels, PROOF Research’s carbon fiber-wrapped barrels open up new possibilities in AR performance.
Orders are currently averaging 16 weeks from the manufacturer.
AR-10® Variant Calibers
|Barrel/Gas Tube||Contour/Journal||Muzzle Threads||Standard Twist|
|308 WIN||16″ (Mid)||Heavy / .875||⅝ x 24||1:10|
|308 WIN||18" (Rifle), 20″ (Rifle)||Heavy / .875, Heavy / .875||⅝ x 24||1:10|