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87gr V-Max vs 135grSierra HPBT

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Unread 01-30-2005, 12:59 PM
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Join Date: Apr 2004
Location: Reno Nevada
Posts: 1,747
87gr V-Max vs 135grSierra HPBT

Two Cartriges which will serve me the best. Going to Northen Ca Dessert To hunt predators.6x284 shooting 87gr V-Max at 3500FPS OR 270WSM 135gr Sierra HPBT 3,250FPS.Both rifles capable of 1/2"groups at 200yds in fact both sighted dead on for 200 yds in 50 degree weather.Will be hunting in 20 to 40 degree weather high dessert.I wonder what changes in trejectorey will I have to contend with???? [img]/ubbthreads/images/graemlins/confused.gif[/img] <font color="red"> </font> I wonder what changes in trajectorey will I have to contend with
How does it profit a man if he gains the whole world but loses his soul?
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Unread 01-30-2005, 04:09 PM
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Re: 87gr V-Max vs 135grSierra HPBT

That would depend on the relitave ballistic coef. of each bullet and the velocity of each. [img]/ubbthreads/images/graemlins/confused.gif[/img]
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Unread 01-31-2005, 01:35 PM
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Join Date: Nov 2004
Location: Shiro, TX
Posts: 102
Re: 87gr V-Max vs 135grSierra HPBT

I would go with the 87gr. Vmax. It sports a BC of .400 and at a velocity of 3500fps its hard to beat. I doubt that any 270 bullet could beat it in trajectory and wind bucking ability at those velocities. I use the 87 gr vmax in a 243 ack with a 30" tube at about the same velocities you list. I can assure you it will be devastating.
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Unread 02-02-2005, 03:14 PM
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Join Date: Sep 2004
Location: Nevada
Posts: 836
Re: 87gr V-Max vs 135grSierra HPBT

The 270 140 or 150 spbt when shot out the tube at 3200 fps will be exceeding the 87 grains 3500 starting speed by the time they get to 250 yards.

I just never mess with HP's anymore. With fast enough bullets the results are the same with the higher BC sp's

If you just want to tear the dogs apart at under 250 yards the 110 grain loaded to 3500 out of a 270 are just devistating and the 100 grains loaded to 3600 fps vaporize up to 10 pound animals.

The sierra 110 grain .277 has a BC of 318 probably near the same as your 6mm 87 gr So shot at equal speed you do the math. Bigger diameter and 20 some % heavier.
.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.
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