[nerdwithagun]

Many of the military spec 5.56mm WILL frag if it is one of the several cantalured rounds at at least around 26-2800 ft/sec. Fragmentation can work very well again if it is fast enough an how it fragments. Many self defense ammo is advertised to fragment in a fleshy target. I am talking about solid lead and copper here, not pre-fragmented stuff which is sometimes advertised for self defense. Hornady TAP offers .223 “urban” which is a cantalured copper and lead round which they advertise fragmenting in in gel and a “NTX” which is prefragmented and lead free, total fragmentation in the body.

[gaijin]

they need THIS in Oakland..!!!

http://www.youtube.com/watch?v=OYsQDq9_wvk&NR=1

[ctdonath2]

To your earlier question, the problem here is that with a 6.5” barrel you won’t come anywhere near the velocity needed for fragmentation. Huge fireball, lots of noise, lousy stability and no fragmentation.

You’d be much better off with something like the new 300 BLK ammo, designed to work well in an 8” barrel (and suppressor-friendly to boot, given the good odds of firing indoors) and still using most of the AR15 platform & design (if you’re so keen on it).

Identify the application & requirements, THEN build something to match. This Gilboa APR is just a retread of “hey, let’s see how far we can chop down an AR15”.

[Sea Parrot]

“Many of the military spec 5.56mm WILL frag if it is one of the several cantalured rounds at at least around 26-2800 ft/sec.”

really, I am sure the enforcers of the Geneva Convention would be very interested in that little factoid.