Tgi Knox build from factory All matching parts trunnion, bolt, lower etc. Notched rear tangent iron sight. Never fired it but it comes with a boogie hook aka binary switch. Sir gold blast diverter. Century international arms Brace Also is pre drilled for a side mount/ sight mount. Have 4 mags 2 original Bulgarian mags. 2,000$ or trade for other high end Ak or Sig Rattler Glocks Colts