The pack was developed for version 1.1.1f of the mod.
Installation: Unpack the "blockade-pack-1.0" folder from the archive into the "ModularWarfare" folder.
If you are talking about optical sights on snipers, then they will not work on current new versions. The description says to use version 1.1.1f of the mod, then you will not have problems with optics.
But if the problem is different, please describe it specifically.
But if the problem is different, please describe it specifically.