My $0.02 worth. For that price I would buy the 40. The price of an SL conversion barrel is only slightly more than the amount you will save and you will have a multi caliber weapon for only slightly more than the 9. Then you can buy the most available one when another ammo shortage occurs. I...
New to the forum and relatively new to M&P's. Wanted to know if it is possible to retrofit an M&P 40 without a thumb safety with one and if possible what is required to do so.