[Travis McGee]

I found this great series of photos. It looks like for 5.56, "speed kills." Cut that barrel down to 10-14 inches, and you just about ruin the round's potential. But send it out of a 20+" tube, and watch out! Just look:

[archy]

I found this great series of photos. It looks like for 5.56, "speed kills." Cut that barrel down to 10-14 inches, and you just about ruin the round's potential. But send it out of a 20+" tube, and watch out!

Even better: from a 26-inch barrelled boltgun, and with a telescopic sight that allows very precise placement. But it was also possible to shoot a corrugated cardboard box up close, leaving a neat little .22 hole in front. And in back, it looked like a .410 shotgun pattern had hit....