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556 SBR's are stupid

The military has a lot more to consider than just the best performance of a weapon in a specific situation.

I've tried to have a simple conversation about this, but you insist on coming after me with the attitude that I think I'm a know it all as part of your defense. That's has nothing to do with a conversation about the merits of an SBR compared to a full length rifle. You've done it repeatedly even though I've pointed it out to you. OK.

I think the most likely reason you are unwilling to have a real conversation about this is because you have probably spent a crap load of money on weapons for the sake of being tacticool and can't stand the idea that it was money wasted.

Early on, someone else said the reason they have SBRs is because that's what they want. That is a great reason and no further justification was needed.
I think the problem is bear that everyone here acknowledges that there are ballistic advantages to longer barrels. Everyone also acknowledges that sbr's have a maneuverability and speed advantage, except you. You seem to believe that these advantages just don't exist.
 
This is the thread on M4C, and he tests lots of different ammo.

But the bold was my point in my earlier post. With today's modern ammo, SBRs can have a very effective range out to 300+ yards. And for GA, hunting or even if the SHTF, that means the AR SBR will be plenty effective and versatile.
Yeah, I missed your first post on this. Like I said, it's worth further investigation. I'm more interested in any terminal ballistics compromise at close range from an SBR. My concern is that if it's loaded with the wrong ammo, the bullet won't properly expand due to minimum needed velocity for that bullet. I've seen this happen with full length rifles using the wrong bullet design for the target.
 
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