The Makarov Forum
I have both a CZ(vz)52 and TT33 in 7.62x25 Tokarev. The groove diameters are.309 and .312 respectively. Hornady makes their XTP in .309 and that shoots great in the vz52. The typical 7.62x25 factory bullets are too small for the TT33 and the accuracy is lackluster at best. with small diameter...