Correct. The Faxon Firearms Smith & Wesson M&P Fullsize Flame Fluted/Threaded 9mm Barrel is not compatible with 5" barrel slides. It is designed to fit any M&P full-size slide that uses a 4.25" factory barrel including the Performance Center - Ported model.
This barrel is designed to fit full size M&P 1.0 and 2.0 pistols with a 4.25" factory barrel. This is the barrel length as measured from the rear of the chamber hood to the muzzle.
Some fitting may be needed for some production runs of our M&P barrels with newer Optic Ready M&P 2.0 pistols. Current production barrels should be a drop in fit to any M&P pistol.
No, this barrel is designed to fit M&P pattern pistols and will not fit an SD9 pistol.
Yes, these barrels are designed to fit the 4.25" full size M&P pistols.
The Faxon Firearms Smith & Wesson M&P Fullsize Flame Fluted/Threaded 9mm Barrel will not work in a M&P9C. These barrels will only work with the full size model of the M&P9. The barrels at the link below will work with the M&P9 Compact model.
https://www.opticsplanet.com/faxon-firearms-smith-wesson-m-p-2-0-compact-flame-fluted-threaded-9mm-barrel.html
This barrel will fit any M&P full-size slide that uses a 4.25" factory barrel including the Performance Center - Ported model. This barrel will not fit the 5" barrel slides (M&P9L).
These barrels are designed to fit only full size Smith & Wesson M&P 1.0/2.0 9mm barrel.
Faxon states these barrels are 9mm SAAMI Chambers. They do not state capabilities to fire +P or +P+ ammunition.
Yes, these will replace a 4.25" M&P 1.0/2.0 9mm barrel.