Action Modifications Action modifications are for military actions and magnums only. There are a limited number of modifications for comercial actions offered. Alterations to change a reciever from a standard cartridge to a magnum cartridge is limited to military bolt action recievers only. With some exceptions. * Call for exceptions. We do not alter commercial recievers.° • True up receiver° • Alter for standard   magnum calibers • Lap locking lugs° • Drill and tap for scope • Bolt handle mods • Timney low scope safety • Timney adjustable trigger • True up bolt face ° Only these two alterations are available for commercial actions