with this drop down buffer tube is it easier to aim to with a paintball mask. of course it will be slightly longer than the stock configuration.
you can use a PVC tube to make the tube stronger. and you can ad a extra bolt to it.
link to Tippmann TMC drop down buffer tube
:4260593
there is also a
Drop down tippmann 98 buttstock adapter avalable
:4260635
TMC to X7 buttstock adapter
:4262849
TMC to A5 butts