Velocity of PRVI 7,63 Mauser & DWM 403

[alvin]

Date: 11/26/2009
Temperature: 44°F
Device: ProChrono Digital PAL Chronograph (claimed 1% accuracy)
Distance: 20 feet from muzzle
Weapon: 1914 7,63 Mauser 140m/m barrel

Ammo 1 -- PRVI 7,63 Mauser "Blue Box", 10 rounds, unit in feet/sec

http://www.aimsurplus.com/acatalog/7.63_Mauser.html

(p1) 1308
(p2) 1346 (high)
(p3) 1336
(p4) 1330
(p5) 1308
(p6) 1337
(p7) 1333
(p8) 1313
(p9) 1297 (low)
(p10) 1320

Average: 1322 ft/s

Ammo 2 -- DWM K 403, not sure about the year, probably made in 1930s.

http://www.checkpointcharlies.com/sh...productid=2157

(d1) 1444
(d2) 1409 (low)
(d3) 1427
(d4) 1446
(d5) 1438
(d6) 1439
(d7) 1439
(d8) 1474 (high)
(d9) 1460
(d10) 1461

Average: 1443 ft/s

====

Another one tested was Winchester "White Box" 9m/m 115gr FMJ, a popular ammo used by many collectors in Parabellum and Red 9 pistols. Fired from a Browning Double Mode (BDM) 9m/m pistol. Also fired 10 rounds:

(w1) 1079 (low)
(w2) 1137
(w3) 1152
(w4) 1113
(w5) 1121
(w6) 1168 (high)
(w7) 1120
(w8) 1127
(w9) 1108
(w10) 1108

Average: 1123 ft/s