FN Herstal Firearms banner

1 - 2 of 2 Posts

·
Registered
Joined
·
5 Posts
Discussion Starter #1
4 grains of Herco, 52 grain Hornady match BTHP
FiveSeven Pistol velocity

1224
1249
1293
1243
1288
av 1259
sd 30

Fired cases ejected 21 ft at 2 oclock vs factory 15 ft at 3 oclock
cases were identical to fired factory cases
no signs of pressure from the primers
didnt check accuracy, but looked OK
 
1 - 2 of 2 Posts
Top