Replacement tubes complete with a tube spring plug follower and retainer pin assembled and ready for your customers rifle. These are top quality tubes U.S. made to original factory specifications. Tubes are made from the same material brass or steel as originally supplied. *Must also replace original inside magazine tube with new W4962A Inside Maga zine Tube when using the W4762AS Outside Magazine Tube. Mfg: Wisner SPECS: Length and diameter vary with specific gun. Sav Stev Sprgfld old model fits guns originally equipped with cartridge guide spring.