Wolverine Thread Insert, 14.1X1 LH AKM

Booster Assembly For Your Primal, Ghost-M, Wolf-9SD, Or Wolfman.

This Is The Most Common Thread Pitch For Eastern European Pattern AK's And The Majority Of US Made / Parts Kit Barrels. Common Examples: WASR-10, Century RAS-47, Century C39, Yugoslavian AK's (OPAP / NPAP), Polish Kit Builds, East German Kit Builds, Romanian Kit Builds, Russian Kit Builds (7.62×39), Bulgarian (Milled)