barrel profile/suppressor use

[HRoark]

Speaking specifically towards 14.5" and 16" barrels, is there and drawback to using a lightweight profile vs an M4 profile when shooting supressed? Is there a greater POI shift with the lightweight, or anything else to worry about because of the weight added by the suppressor?

I'm thinking it won't be an issue, but I figured it couldn't hurt to ask the experts before I spend the money on an upper.

Thanks

[J Krammes]

Hanging a pound of anything off the end of a barrel will change POI. The thinner the barrel the more you will get (less rigid). Shorter barrels will have less. Then you have to take into account the quality of the suppressor and mounting system.

Jeremy