Orthos Arms Custom AR Pistol – 5.56x45mm
$1,599.20Custom AR pistol build from Orthos Arms. Short-barrel upper with pistol brace (not a stock — NFA pistol configuration, no tax stamp required). MLOK handguard, Holosun 503/510 optic ready, threaded barrel for suppressor. FDE and multicam cerakote finish. Compatible with extended drum magazines. Orthos Arms custom builds are individually fitted, headspaced and test-fired before delivery. Contact us for specific build options and lead times.