This guide details the assembly of an AR-15 rifle featuring a T.REX ARMS Criterion Barrel Kit. It covers the installation of the barrel, gas system, handguard, and various high-end accessories including an LPVO optic, weapon light, laser illuminator, and suppressor. The process emphasizes proper component integration and the critical step of permanently attaching the muzzle device for legal barrel length compliance.
This video provides an unboxing and overview of the Rosco 13.7" Purebred barrel in .223 Wylde. The presenter highlights its suitability for building compact rifles, particularly for those looking to avoid SBR tax stamps by pinning muzzle devices to achieve a legal over-16-inch barrel length. The Purebred series is noted as Rosco's higher-end, match-grade offering, with an expected accuracy of around 1 MOA.
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