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Old 09-19-2004, 21:14   #15
G-20er
MIL-DOT MASTER
 
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Join Date: Aug 2004
Location: California
Posts: 117
Did more testing with LongShot this past weekend using slightly more crimp to match factory crimp specifications. I was very surprised at the increase in velocity.

G-20 with standard length barrel
Starline Brass
200gr. XTP Bullets
CCI 350 Primers
OAL 1.250
OAT was 65 degrees F.


8.2 grains of LongShot:

GROUP #11
1) 1191.0 -27.2
2) 1234.0 15.8
3) 1213.0 -5.2
4) 1223.0 4.8
5) 1254.0 35.8
6) 1197.0 -21.2
7) 1208.0 -10.2
8) 1233.0 14.8
9) 1231.0 12.8
10) 1199.0 -19.2
High: 1254.0
Low: 1191.0
E.S.: 63.0
Ave.: 1218.2
S.D.: 20.0
95%: 16.0
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