FMJ for ported barrels - MP-Pistol Forum

FMJ for ported barrels

This is a discussion on FMJ for ported barrels within the MP Ammunition forums, part of the Smith & Wesson MP Forum category; I picked up some ammo the other day for my PC Shield .40 and noticed a warning on the back of the box stating not ...


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Old October 16th, 2016, 10:26 AM   #1
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FMJ for ported barrels

I picked up some ammo the other day for my PC Shield .40 and noticed a warning on the back of the box stating not for use in a ported or compensated barrel. They were Blazer Brass FMJ. A bit of research revealed the likely cause was the thin plating used on the projectile that could shear in the ports. My question is this: what ammo would you recommend for general practice/range use for a ported barrel? I have a ton of American Eagle but it appears that they are plated lead and not truly gilded/jacketed. WWB and Aquila are readily available but are they true FMJ? Thoughts would be appreciated. Thanks!
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Old October 16th, 2016, 11:15 AM   #2
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That question is being discussed in another part of the forum:
New M&P CORE 9L Ported - Ammo Issues...????
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Old October 16th, 2016, 05:01 PM   #3
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Yes, plated boolits do shear a very small amount while going past the port hole(s), but certainly not by very much. There is nothing to worry about, with exception to cheap chinese knock-off guns/barrels with porting. I`ve seen garbage ported guns that had terrible burr`s left inside the barrel after porting. All i shoot is plated boolits, and they DO work perfectly fine in ALL my own ported guns. Just make sure you wear eye protection at all times...goes without sayin.
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