Thread: Girl-Friendly Home Defense

Originally Posted by Anonymous D

I got a 10.5 for self defence, but like you said, I knew what I was getting into. I know that the effective range is probably somewhere around 75-100 yards. And its all about ammo selection with this thing. I am still on the hunt for this ammo, but once I find it Ill stock up. Its the Hornady 5.56 77 gr I was talking about. The fact that its a 5.56 and not a .223 adds a little to the effective range. And the 10.5 in gun is made for a home defense gun. I doubt Ill ever have to take a shot over 100 yards in my house, and if I do, well then I have a huge ass house. I have my 16 in AR for longer distances.

I was actually talking about fragmentation range; what I meant is that with a 10.5" barrel, M193/M855 rounds won't even have enough velocity to reliably fragment at the muzzle. So by that standard of "effectiveness", with those rounds, the 10.5" barreled AR has an "effective" range of zero yards. But if you are using hollowpoints then it's a non-issue. Just be sure that your hollowpoint of choice expands reliably at whatever muzzle velocity it gets from that barrel (should be around 2300 fps for Mk.262-style 77 grainers from a 10.5").