The.460 Rowland and. 40 Super caliber conversions are the route we have recently chosen in our household. We carry one Gen4 G30.
Glock 30Sf with a EFK 40 Super Conversion Barrel and Spring; have all original Glock 30SF barrel,spring, and box with it as well. Also, comes.
Glock 30 40 Super Ammo Test - 4.5" EFK Wolf Conversion Barrel with Lone Wolf Compensator / Brake. Glock 20 40 Super 9x25 Dillon just shootin