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VASCAR2 · 11-02-2010, 04:38 PM

I have a friend who has a PS 90 (civilian version) and it handles very well but I would rather own one that has the short (less than 16") barrel like the military/LE PDW (personal defense weapon) P 90 model. My son in law has an AR -57 which fires the same 5.7 X 28 MM cartridge and uses the same top mounted magazine on an AR-15 upper/lower. The ejection is through the lowers mag well and he uses an empty gutless 20 round mag for a brass catcher. With a collapsible stock this is just about as handy as the PS 90 with 16" barrel. I like the FN 57 pistol in this caliber but haven't actually shot one even though my buddy who owns the PS 90 carbine also owns the pistol. I know the cartridge has very light recoil and shoots flat but I'm a little leery of the ballistics which are a little better than the 22 mag with civilian ammo. I know the shooter in Ft Hood used a pistol in the 5.7 X 28 MM cartridge and the mags hold 20 rounds IIRC. I think in an AR size package I'd just as soon have 5.56/223 or larger caliber like 6.8 or 6.5G. I see the purpose for the PDW but unless I was on airport security where I wanted something smaller and lighter than the typical sub machine gun to back up my pistol it might be OK.

11-02-2010, 04:38 PM	#367
VASCAR2 Drives: 94 Camaro, 10 1LT IBM Camaro Join Date: Aug 2009 Location: Illinos Posts: 232	I have a friend who has a PS 90 (civilian version) and it handles very well but I would rather own one that has the short (less than 16") barrel like the military/LE PDW (personal defense weapon) P 90 model. My son in law has an AR -57 which fires the same 5.7 X 28 MM cartridge and uses the same top mounted magazine on an AR-15 upper/lower. The ejection is through the lowers mag well and he uses an empty gutless 20 round mag for a brass catcher. With a collapsible stock this is just about as handy as the PS 90 with 16" barrel. I like the FN 57 pistol in this caliber but haven't actually shot one even though my buddy who owns the PS 90 carbine also owns the pistol. I know the cartridge has very light recoil and shoots flat but I'm a little leery of the ballistics which are a little better than the 22 mag with civilian ammo. I know the shooter in Ft Hood used a pistol in the 5.7 X 28 MM cartridge and the mags hold 20 rounds IIRC. I think in an AR size package I'd just as soon have 5.56/223 or larger caliber like 6.8 or 6.5G. I see the purpose for the PDW but unless I was on airport security where I wanted something smaller and lighter than the typical sub machine gun to back up my pistol it might be OK.