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TxGun · November 2, 2008, 10:23 PM

Not sure, but I think all Model 37s were 2 3/4" chambers. The nearly identical Model 87 has 3" chambers. I said think, because I don't know for sure that there were no 3" 37s. The BPS was introduced in 1977, long after 3" chambers became common.

November 2, 2008, 10:23 PM	#2
TxGun Senior Member Join Date: April 14, 2008 Location: Family ranch - Central TX. Posts: 467	Not sure, but I think all Model 37s were 2 3/4" chambers. The nearly identical Model 87 has 3" chambers. I said think, because I don't know for sure that there were no 3" 37s. The BPS was introduced in 1977, long after 3" chambers became common. Last edited by TxGun; November 2, 2008 at 11:26 PM.