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FGMM 308 185 Berger Juggernaut load measurements

1shot2kill

Gunny Sergeant
Full Member
Minuteman
Dec 9, 2008
1,323
9
40
north dakota
I ordered 1 box Product# GM308BH185 and took a few measurements and thought i'd post my findings
#1-20 in order
COAL - Case Weight - Ogive to Base
2.790" 412.9 2.137"
2.778 411.4 2.134
2.783 412.0 2.134
2.783 411.5 2.134
2.786 412.1 2.134
2.785 412.6 2.135
2.785 412.6 2.134
2.789 412.2 2.138
2.781 412.0 2.132
2.777 412.5 2.131
2.781 412.8 2.131
2.783 411.7 2.136
2.782 411.8 2.130
2.793 411.4 2.136
2.790 412.0 2.134
2.790 411.2 2.134
2.785 412.0 2.134
2.790 411.7 2.139
2.784 411.5 2.135
2.783 412.0 2.134
High
2.793 412.9 2.139
Low
2.777 411.2 2.130
Average
2.785 412.0 2.134

I pulled 5 rounds to take measurements

Case weight in grains
1. 182.6
2. 182.0
3. 181.8
4. 181.6
5. 182.0
Powder weight. Looks like Alliant 2000-MR IMO
1. 45.3
2. 45.2
3. 45.2
4. 45.2
5. 45.2
Bullet base to Ogive
.69" all 5
Bullet OAL
1. 1.344
2. 1.341
3. 1.339
4. 1.341
5. 1.341

I hope this helps anyone researching this ammo.
Hopefully I will get a chance to shoot it in the next few weeks
 
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In the past, FGMM 168's powder weights could show a spread of 0.4gr high/low. Although a sample of 5 powder weights is somewhat small, perhaps they have tightened up the tolerance?