[dd5339]

"140 grains at 3000+fps, frag round after impact."

What round are you talking about? 223, 243 or something different?

Semper Fi

[ninenot]

If I'm not mistaken, that's the spec on the .223 (military) round fired by the M-16 and the civilian version AR-15. Speeds may vary slightly depending on barrel length. The rifle-length (20") was around 3100 to 3200 FPS. The carbine (16") fires around 2800 FPS.

The discussion began because I identified the .223 as a round "good enough for the DC sniper" after someone else professed a love for the .30-class bullet (.308, 30-06, 7.62x59) used earlier by the USA and still NATO standard. My observation was to the effect that the .223 seems to kill quite well, properly aimed.