The Firing Line Forums - View Single Post - Best .40 Factory Round for SD (165gr JHP vs 180gr JHP)

LoneStarWings · February 1, 2009, 12:45 AM

Also, my weapon is a S&W M&P with a 4.25" barrel. I've heard that with barrels over 4" you get better results with the 180gr rounds, don't know if that's true or not.

February 1, 2009, 12:45 AM	#2
LoneStarWings Senior Member Join Date: January 15, 2009 Location: TX Posts: 213	Also, my weapon is a S&W M&P with a 4.25" barrel. I've heard that with barrels over 4" you get better results with the 180gr rounds, don't know if that's true or not.