Compare Quick view Apex Ultimate Safety Plunger For Glk Apex Tactical Specialties Log in for pricing The Apex Ultimate Safety Plunger for Glock is designed for use in the Gen 3 and Gen 4 Glock 9mm" .40 S&W, .357 Sig caliber pistols and will smooth out the trigger take-up when compared to the... Log in for pricing Compare Quick view Qty in Cart: 0 Price: Log in for pricing Subtotal: