Short barreled rifle, destructive device what are the other three?
Machinegun, Short Barreled Shotgun, Any Other Weapon.
AOW's include pistols with front grips, pen guns, cane guns, stuff like that.
Edited: scroll down through this and check out the NFA section. https://www.indianagunowners.com/fo...scussion/16185-ingunowners_faqs_sticky-2.html
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