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nyetter · October 7, 2002, 08:22 PM

My understanding is that data for a heavier bullet will be safe for a bullet that is the same but lighter. VV lists data for 3N37 in the .40 with 170gr bullets on their site,
http://www.vihtavuori.fi/vihtavuori/pistol/40sxw.htm
5.8gr 1037fps
6.8gr 1148 fps

If it was me, this is where I would start.

October 7, 2002, 08:22 PM	#3
nyetter Senior Member Join Date: June 7, 2001 Location: Denver, CO Posts: 342	My understanding is that data for a heavier bullet will be safe for a bullet that is the same but lighter. VV lists data for 3N37 in the .40 with 170gr bullets on their site, http://www.vihtavuori.fi/vihtavuori/pistol/40sxw.htm 5.8gr 1037fps 6.8gr 1148 fps If it was me, this is where I would start.