Hi Kenny. Thanks for reaching out to us at LuckyGunner.com. I don't know that we have had any reviews on the Arsenal that has been fired in a AR style rifle. As you probably well aware, many AR style rifles do NOT like steel cased Berdan primed ammo. They are typically built very tight and have lighter hammer springs than rifles specifically designed to fire this type of ammo. I would advise a couple of boxes of 20 rounds to test before you jump into a case lot.
That way, you can test your rifle with the ammo. Let me know if I can assist further. Have a great day. Ross