Hornady bullets 38 cal.357 180gr xtp 100ct FEATURES: -Caliber/Type38 Cal.XTPA(R) -Diameter .357" -Weight180 gr. -Ballistic Coefficient .230-Sectional Density .202-Precise serrations divide the XTPA(R) into symmetrical sections.-Total uniformity of core density ensures balanced expansion as well as in-flight stability.-Expansion is controlled by varying jacket thickness down the length of the XTPA(R).-On revolver bullets, the cannelure helps achieve accurate, consistent, crimping.