I would really like to understand

[Eko]

18. Seems simple enough.

as the capacity to accept a detachable ammunition feeding device; and - allows you to use more ammo quicker, making it more deadly.
--“(ii) has any 1 of the following:
---“(I) A pistol grip.- makes it easier to control, even with one hand.
---“(II) A forward grip.- Easier to control.
---“(III) A folding, telescoping, or detachable stock, or a stock that is otherwise foldable or adjustable in a manner that operates to reduce the length, size, or any other dimension, or otherwise enhances the concealability, of the weapon. - just read the last 6 words, enhances coincealability.
---“(IV) A grenade launcher.- allows you to shoot a grenade, derp.
---“(V) A barrel shroud. Keeps you from grabbing a hot barrel as you might need to do in CQB.
---“(VI) A threaded barrel.- Allows you to add a silence to help evade detection.

Next.
Eko.