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JNad · April 18, 2013, 01:23 PM

You likely have a convertible model. measure the headspace on cylinder number 2 and see if it is only as deep as a 9mm. You could do this by attempting to insert a .357 snap cap or other dummy round. If that didn't go in far, you could then attempt a 9mm dummy round. The second cylinder of a convertible model would look identical outside to the .357 cylinder. However, the chambers are only cut as deep as the mouth of a 9mm cartridge.

If you have a convertible, you can enjoy some near zero recoil and cheaper shooting with 9mm and not worry about loading the front of your .357 chambers with crud from shooting .38 spcl.

April 18, 2013, 01:23 PM	#2
JNad Senior Member Join Date: January 20, 2012 Posts: 105	You likely have a convertible model. measure the headspace on cylinder number 2 and see if it is only as deep as a 9mm. You could do this by attempting to insert a .357 snap cap or other dummy round. If that didn't go in far, you could then attempt a 9mm dummy round. The second cylinder of a convertible model would look identical outside to the .357 cylinder. However, the chambers are only cut as deep as the mouth of a 9mm cartridge. If you have a convertible, you can enjoy some near zero recoil and cheaper shooting with 9mm and not worry about loading the front of your .357 chambers with crud from shooting .38 spcl.