there seems to be some confusion here about the relationships between the various sig models. talking about the Sig Sauer Classic P-series, it goes something like this:
220 - service sized, single stack mag, available in 9mm (original chambering), .45 and .38 Super...there was a European version in .30 Luger too
225/P6 - compact, single stack. the P6 came first as a competititor in the German Police trials; available only in 9mm
226 - the double stack mag version of the 220 sized for the shorter 9mm round. this gun competed in the M9 trials before being introduced for LE sales. the chamberings in .40 and 357Sig did not happen until after the 229 introduced Sigs with milled slides.
228 - the compact version of the 226 available only in 9mm
229 - milled slide version of the 228. originally introduced in with the milled slide to handle the .40 cartridge and later the 357Sig. the 9mm version of the 229 has a different dimensioned slide and mag than the .40 version and is truely a 228 with a milled slide
230/232 - .380 blowback operated pistols
220 - service sized, single stack mag, available in 9mm (original chambering), .45 and .38 Super...there was a European version in .30 Luger too
225/P6 - compact, single stack. the P6 came first as a competititor in the German Police trials; available only in 9mm
226 - the double stack mag version of the 220 sized for the shorter 9mm round. this gun competed in the M9 trials before being introduced for LE sales. the chamberings in .40 and 357Sig did not happen until after the 229 introduced Sigs with milled slides.
228 - the compact version of the 226 available only in 9mm
229 - milled slide version of the 228. originally introduced in with the milled slide to handle the .40 cartridge and later the 357Sig. the 9mm version of the 229 has a different dimensioned slide and mag than the .40 version and is truely a 228 with a milled slide
230/232 - .380 blowback operated pistols




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