Upgrade your Tikka T3 or T3x rifle with Mountain Tactical's Gen2 4 round Billet Magazine. These mags are a perfect alternative to original plastic magazine that came with the rifle, and utilize reliable feeding geometry to flawlessly cycle cartridges. The feature a aircraft grade aluminum body and a follower constructed from Delrin, a thermo-polymer material with self-lubricating properties and is resistant to chemical and solvent corrosion. The high quality spring is made from 17-7 stainless steel to ensure a long service life.