The Midwest Industries MI Combat Rail Lightweight Series Handguard will not work with the M&P Sport 2 with a FSB unless you get a low profile gas block. However, the handguard at the link below will work.
https://www.opticsplanet.com/vism-ar15-keymod-drop-in-handguard-13-l-carbine-extended-handguard-length.html
our handguards are designed to work with milspec uppers. it will only work if the noveske upper in question is externally milspec where our handguard interfaces with the upper reciever
they come in different lengths. the crlw12 is 12.625" the crlw10 is 10.5" etc. depending on which version you get and yes it will fit the saint ar15
No, you will need a handgaurd for the AR-10 platform.
A low profile gas block will work, the inside diameter of this handgaurd is 1.3in.
Yes, this should be compatible.
Yes, it should work well.
No, the picture is accurate and the handguard does not have a picatinny rail across the full length of the top.
Yes this hand guard is compatible.