Here's a QL calc, with the 40gr VMax and Power Pistol. 2000 fps looks possible from a 5" bbl.

Code
Cartridge          : 5.7 x 28 FN
Bullet             : .224, 40, Hornady V-MAX BT 22241
Cartridge O.A.L. L6: 1.594 inch or 40.49 mm
Barrel Length      : 5.0 inch or 127.0 mm
Powder             : Alliant POWER PISTOL

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.538% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-15.4   74     5.50   1755     274   34511  12604     94.9    0.417
-13.8   76     5.60   1783     282   35841  12877     95.5    0.409
-12.3   77     5.70   1811     291   37209  13146     96.0    0.402
-10.8   78     5.80   1838     300   38616  13411     96.5    0.394
-09.2   80     5.90   1865     309   40063  13672     96.9    0.387
-07.7   81     6.00   1892     318   41550  13929     97.4    0.379
-06.2   82     6.10   1919     327   43079  14180     97.7    0.373  ! Near Maximum !
-04.6   84     6.20   1946     336   44651  14426     98.1    0.366  ! Near Maximum !
-03.1   85     6.30   1973     346   46267  14668     98.4    0.359  ! Near Maximum !
-01.5   86     6.40   2000     355   47928  14903     98.7    0.353  ! Near Maximum !
+00.0   88     6.50   2026     365   49635  15133     99.0    0.347  !DANGEROUS LOAD-DO NOT USE!
+01.5   89     6.60   2053     374   51389  15356     99.2    0.341  !DANGEROUS LOAD-DO NOT USE!
+03.1   90     6.70   2079     384   53193  15573     99.4    0.335  !DANGEROUS LOAD-DO NOT USE!
+04.6   92     6.80   2105     394   55046  15785     99.6    0.329  !DANGEROUS LOAD-DO NOT USE!
+06.2   93     6.90   2131     403   56951  15989     99.7    0.323  !DANGEROUS LOAD-DO NOT USE!
+07.7   94     7.00   2157     413   58909  16186     99.9    0.318  !DANGEROUS LOAD-DO NOT USE!