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Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet

 
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  #183  
Old 11-30-2012, 11:00 PM
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Re: Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet

Sendero72,

Gunstop has the 168 hybrids classic hunter in both 7mm and 308

Gunstop Reloading Supplies - Berger Bullets Rifle Bullets
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  #184  
Old 12-01-2012, 10:20 AM
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Re: Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet

Ok so after reading all 27 pages worth of this thread...........I get a real big chuckle out of you "Yanks"............some of you guys sound like Kids at Christmas...........hehe "when,when,when,when......" what happened to the the experiance of waiting till Christmas morning to find all the goodies!!! HAHA

No harm ment don't intend to bend any feelers!!! I am associated with a archery company and we run into the same issues with Prototypes and failures long before the final product is released!!!

Look at it from us poor "Canuks" side of the border......................Once y'all are shooting these bullets "if / when" they work and are in the stores..........we will not see them up here for another 6 - 12 months!!!!

I just finished building a new 7-300 Win Mag on a Rem 700 with a Kriger 1-8" barrel...........I had originally ordered a 1-8.5" and then once I heard that Berger was coming out with a new 190+ gr bullet I changed my order to a 1-8" twist............Hell that barrel may not even see the 195's before its gone to the rifle range in the sky!!!

Patience my friends.........Good things come to those that wait!!!! hehe!!

By the way Thanks Berger for all the great bullets youu make.................!!!
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  #185  
Old 12-01-2012, 11:35 AM
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Re: Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet

Just exactly how much advantage will this bullet have over the 180 gr VLD or HYBRID ?
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  #186  
Old 12-01-2012, 12:15 PM
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Re: Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet

Quote:
Originally Posted by Iron Worker View Post
Just exactly how much advantage will this bullet have over the 180 gr VLD or HYBRID ?
It'll be a slower moving, more aerodynamic projectile meaning increased drop (less flat shooting, and only to a certain distance) but it will 'buck' the wind better (at all ranges, despite its slower speed).

At a certain range (maybe 1km, not sure) the heavier bullet will fly 'flatter' than the lighter bullet, but this depends on what MVs you can get for each. At any rate, I'd rather have less windage guessing (undeterministic value) and more elevation drop (deterministic value).

For the guys running the BIG 7mm magnums, this news is music to the ears. For people with the short mags or maybe 7mm RM, still good news, but we're going to have to start accepting 2,500ish fps... Enter Reloader 17
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  #187  
Old 12-01-2012, 12:57 PM
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Re: Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet

Quote:
Originally Posted by Haagen Dazs View Post
It'll be a slower moving, more aerodynamic projectile meaning increased drop (less flat shooting, and only to a certain distance) but it will 'buck' the wind better (at all ranges, despite its slower speed).

At a certain range (maybe 1km, not sure) the heavier bullet will fly 'flatter' than the lighter bullet, but this depends on what MVs you can get for each. At any rate, I'd rather have less windage guessing (undeterministic value) and more elevation drop (deterministic value).

For the guys running the BIG 7mm magnums, this news is music to the ears. For people with the short mags or maybe 7mm RM, still good news, but we're going to have to start accepting 2,500ish fps... Enter Reloader 17
Good post, but I'm thinking 2800-2900fps will be possible with the 7RM and 7WSM, assuming the rifle is built to maximize velocity with that bullet.
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  #188  
Old 12-01-2012, 02:41 PM
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Re: Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet

2900 with a 195 from a 7 Rem mag sounds high to me. I had a 7 Rem mag 30" barrel shooting the 180s Berger VLDs maxing out around 3050 fps.
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  #189  
Old 12-01-2012, 04:50 PM
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Re: Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet

Theoretically:
Conservation of Energy: 180gn VLD @ 2,950fps = 195gn EOL @ 2,834fps.

Practically:
Longer bullets get seated deeper, leaving:
a) Less space for powder
b) Less space for initial gas expansion (higher pressure spike even with less powder)
Essentially, loss of fps due to deeper seating. (maybe 2,750fps with similar pressures signs of 180 @ 2,950?)

Also, the heavier bullet acts as a larger plug in the barrel, which also increases pressures (both the spike and overall). Shouldn't that higher overall pressure result in a bigger push and relatively higher MV? Well I'm not sure about that.


7mm Mag in a long action or 7mm WSM/RSAUM in short action: Seating depth restricted by magazine length. (above applies)

7mm WSM/RSAUM in a long action: Seating depth not restricted by mag length. Assuming same 8.5 (iirc) degree boat tail, overall internal volume should remain almost unchanged, just the COAL would get alot longer. This is why I'm so hard set on a 7WSM long action now


And FWIW:
180gn VLD @ 2,950fps @ 1000 yards in 10mph wind: 256.6" (7.1 mils) down & 57.0" (1.6 mils) left/right.
195gn EOL @ 2,750fps @ 1000 yards in 10mph wind: 277.5" (7.7 mils) down & 50.2" (1.4 mils) left/right.

Theoretically, If you can call a 10mph wind +/- 20%, the 195gn EOL will get you +/- 1.4" closer to the target.
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