The only thing that seems missing to me would be the Primitive Quality of the bow. And I'd like to see a quote on that quality not applying to the extra dice from Accurate.
Well, the additional Accurate Dices are mostly not considered to be affected by Primitive for they are treated in other ways like non-regular damage dices too. (They cant generate RF for example) But even if these would be capped by Primitive 6, they are still rolled as a D10 and hence are still able to net an average roll of 5,5, changing nothing on the Maths I presented. It would be another case if it was Primitive (5), then even though the average of a D10 is 5,5 it would be effectively reduced to 5.
Alright, the math seems solid. The question is how to better portray the initial concept while still making the regiment combat worthy? I´d thank if you help us with some ideas.
Another thing I think is that the custom Bow advantages are somewhat offset by the fact they have to reload each turn. To effective, you have to Aim first andthen fire, something It cant be done in the same turn your reload the Bow. My point is out of every three rounds you will have to spend one of them reloading the thing, limiting its overall efectiveness
Rapid Reload, a T1 talent, makes Half Action Reloads a Free action. With that talent you can Reload, Aim and Shot every turn.
If you really want to stick to that bow make it not some high-tech gear that could kill astartes but how about them being rather primitive but also some sort of artisan? I would suggest a basic Bow without the primitive quality, if you realy want you can also grant it some Pen2, as if your people would attach small mono-arrow heads to their self-made arrows. If you want to stick to some sort of Composite bow, let every bow be custom made for each soldier, hence being issued with a custom grip as standard, replacing the accurate thing that is OP and has nothing to do on that bow. The custom grip also allows you to shoot more accurate so there you got what you want. A top of that you can think of allowing the Strength Bonus as additional damage. Every bow is custom made, not just a weapon with a custom grip, and it is made to suit its user and the weight he is able to pull from such a bow.
That way you would have a bow that deals as much damage as a Mono Spear, quite decent but not over the top. A nice tool to have but nothing you can relax on, hence forcing your regiment to improvise in certain situations and rely on other weapons or tools like their axes for example. That way they can make use of their strength characteristic on both weapons.
The whole point is that the weapon was never manufactured to be an "Astartes itching bow of doom". It has excellent precision - the Accurate quality - and that's all. Your problem is the OP rules of the Accurate quality and not the actual weapon.
If that weapon has OP rules attached to it, it better have an explanation for it. The bow has not, so I have a problem with the weapon. A Longlas at last offers some sort of explanation though it is also much stronger than it should have been.
Edited by FieserMoep