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.277 Caliber Experiences

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Unread 04-01-2002, 08:30 AM
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Join Date: May 2001
Location: Pennsylvania
Posts: 1,757
Re: .277 Caliber Experiences


Thanks for the information

I knew it had to be a large case to get that much velocity.

I thought maybe Wapti (The original poster) had picked up on that much velocity also because he mentioned a 277 caliber.
One would tend to think of a 270 Winchester cartridge. i believe I mentioned the 270 in my first post also.
NO 270 Winchester is capable of that much velocity even if it used a 100 gr bullet let alone the 135 MK.

I have a question or two.
How many rounds do you have through the barrel to date?
I once had a 30/378 Weatherby with a 37" barrel that gave me 3600 FPS with a 200 Gr MK. That one killed many deer and elk out to 1360 Yards with no problem at all.
I can imagine the flight time at 3800 with that 135 gr out to say 500 or even 1000 yards---Don't blink your eye or you will miss the hit.

I also have a friend who had a 270/300 Win Mag and somehow got a simalar 7mm bullet (he swears it came from the factory that way) bullet in the 270 bullet box. Being only .007" larger he mistakenly (not paying attention) seated it into his case and fired it.
The Remington action held but, you should see it. They had to cut the barrel out of the action to get the bolt out and you should have seen the bolt face and the steel that was missing from it. He was VERY lucky.
Be carefull.
I still don't know how he could have missed the added neck tention when seating the 7mm bullet but, he did.

Thanks again.

[ 04-01-2002: Message edited by: Darryl Cassel ]
Darryl Cassel
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Unread 04-01-2002, 07:40 PM
Silver Member
Join Date: Jul 2001
Location: San Antonio, Texas
Posts: 244
Re: .277 Caliber Experiences

Sorry bout DC

That's what ya call a brainfart, leaving out information that is.

Those velocities are out of the 270/300 ultra mag w/30" barrel.
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