PROOF Research pre-fit carbon fiber & steel barrels for the Defiance Ruckus are to be installed in a simple operation requiring few specialized tools. The pre-fit barrels are chambered and threaded for a simple install that require only a few specialized tools. Simply torque your barrel on, double check headspace with proper gauges and head to the range! Unprecedented accuracy and performance - it does not get much better than our Defiance Ruckus steel pre-fit barrels. * PROOF drop-in barrels are designed to fit Ruckus actions with the 'Recessed' bolt nose option only and will not be compatible with actions that have cone, flat, or control round feed bolts.
PROOF Research
