I am having a Lyman sight installed on my .357 carbine and want to remove the original sight. Is this the right size blank to use? I will be having my gunsmith do the work.
http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=383424
http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=383424