Originally Posted by
Wondering Beard
Just to make sure I understand:
when using irons only with an FSB and a non free float handguard, if pressure is put on the barrel the front sight itself will move and still get aligned by the shooter through the rear sight, thus no or little shift.
CORRECT
When using an optic on a non free float handguard, the barrel may be moved due to pressure but the optic, set on the receiver, won't be, resulting in shift.
INCORRECT. THIS WILL CAUSE A SHIFT.
Adding or changing a front BUIS, or just changing accessories on a free floated handguard will change the pressure on the handguard possibly causing it to move while the barrel won't and thus we get a shift.
WITH A FREE FLOAT HANDGUARD, IF YOU HAVE AN OPTIC ON THE UPPER RECEIVER, YOU CAN FLEX THE HANDGUARD AND IT WON'T MATTER. WITH A FREE FLOAT HANDGUARD AND IRON SIGHTS ON THE BARREL, YOU CAN FLEX THE HANDGUARD AND IT WON'T AFFECT THE POI. WITH A FREE FLOAT HANDGUARD AND THE FRONT BUIS MOUNTED ON TOP OF THE FF HANDGUARD, IF YOU FLEX THE HANDGUARD,YOU WILL CHANGE THE POI.
Did I get it right?
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