Glock Recoil Spring Assembly (14) dual .45 Auto/10mm for Models G20 & G21 (Gen5 Only) (mkd 0-4-1)

Polymer, factory replacement part.This is the original factory part that comes as standard equipment on your Mini-Glock.For a more durable, recoil reducing and muzzle flip control, consider trying one of our stainless steel, or tungsten guide rods, with a variety of spring weights to choose from.