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Originally Posted by barney_rubble
I'd have to challenge your knowledge as to the terminal performance of the 5.7mm; anyone who compares it to a .22 simply is not fully conversant with its potential. There seems to be a general malaise regarding small calibre projectile, yet the designers at Herstal have understood the requirement completely.
I'm nonplussed that you believe its wound track resembles an 'ice-pick' when it clearly is a three dimensional haemorraghic nightmare; far superior to the girlie .45!
The P90 was born from the US driven concept that only Infantry require a full size rifle with the usual acoutriments; support elements require something more compact and portable (they are really saying they need a modern derivative of the submachine gun). P90 fits that 'Personal Defence Weapon' criteria completely and, one could argue, is the 'type example'.
This calling requires technical knowledge as well as robust language. Have a chew on that if you would care to.
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Challenge away. My knowledge is based on personal experience and research. You profile is too vague to determine if and when you ever served. Did you get your info from a gun mag?
The ballistic testing I have seen indicates that the bullet remains intact and yaws base forward after a few inches of tissue and continues on a single small track. The .45ACP FMJ round disrupts a far wider permanent wound cavity than the 5.7, the .45 hollow points do even better.
In my opinion, the P90 might be an adequate weapon for pilots in lieu of the MP5 PDW, especially if it came in a more effective caliber or with a better bullet. I do not see it working as a replacement for the M-4 for most support soldiers. It also has very little real estate for mounting any additional hardware, like a light, laser, etc.
What "calling" would you be referring to? If you came here to stir up trouble and to troll for arguments, you might be biting off more than you would care to chew. This is an SF board, owned and operated by SF. If we offend you, move out and draw fire.
TR