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10/better Rookie Member
Joined: Nov 20, 2011 Posts: 2 Location: Dryden Ontario,Canada
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Posted: Sun Nov 20, 2011 11:48 am Post subject: swift sirrocco II ammo |
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Wondering if anyone has had any issues with seperation of these bullets,have had nothing but great success with these bullets in my 270 whrby mag ....up until now.shot a cow moose at 350 yards,retreived what was left of the bullet...
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no lead left...just coppe jacket ?
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Suzanne Super Member
Joined: Jun 27, 2009 Posts: 3323 Location: Eugene, Oregon
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Posted: Sun Nov 20, 2011 2:32 pm Post subject: Re: swift sirrocco II ammo |
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Looks more like lead to me from the picture. That's just the jacket? Musta hit some heavy bone or two. Wonder if that was an A frame mixed in the bunch. Any lead in the back?
Suz
_________________ May the moon keep you centered,
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Elvis Super Member
Joined: Jul 27, 2008 Posts: 9259 Location: south island New Zealand
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Posted: Sun Nov 20, 2011 3:17 pm Post subject: Re: swift sirrocco II ammo |
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you retrieved what was left of the bullet... from a dead moose I presume, I cant see you running along side a live one digging out the projectile??? did it die when you shot it or was there a issue???? dead animal = the plurry thing worked!!!! If they have been working for you dont over think this just go with it.
_________________ You shot it You pluck it !
Them who eats the most duck eats the most feathers! |
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Donut Slayer Super Member
Joined: Jun 27, 2007 Posts: 594 Location: Pensacola, Florida
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slimjim Super Member
Joined: May 16, 2009 Posts: 8316 Location: Fort Worth TX
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Posted: Sun Nov 20, 2011 8:11 pm Post subject: Re: swift sirrocco II ammo |
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This is not unusual for a lead-core bullet. They often lose 30 to 40 percent of their weight as they mushroom. I changed over to Barnes TSX, TTSX, and Hornady GMX. These monolithic copper/copper-zinc bullets mushroom and retain their original weight and achieve deeper penetration - even with a bullet that has a lower initial weight. The Hornady 130gr GMX has been very accurate in my .270 Win.
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
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Vince Site Admin
Joined: May 25, 2005 Posts: 15723 Location: Brisbane AUSTRALIA
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Posted: Mon Nov 21, 2011 12:59 am Post subject: Re: swift sirrocco II ammo |
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Welcome aboard 10/Better...grab a beer and pull a stump up to the fire mate.
Gotta agree with the rest...dead is dead mate. If you have had great performance with these bullets in the past, then I can only assume that you have encountered a bullet that has had a small flaw somewhere inside that has allowed the lead to slip. Another reason for the separation may be the jacket "grabbing" / "catching" onto something inside the carcass and the lead having just enough slip and momentum to keep going and separate. Did you recover any of the lead? If so, was a badly beat up or nice and neat?
There are any number of reasons why this has happened, but at the end of the day, the bullet has done it's job and you have a freezer full of meat mate. I wouldn't dwell on it too much unless you find that it is happening more often, then I would be asking questions, or looking for a different bullet. The mono bullets seem to be the "duck's guts" at the moment.
Cheers, Vince
_________________ Cheers, Vince
Illegitimi non carborundum
(Never let the bastards grind you down)
Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God.
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dhc4ever Super Member
Joined: May 26, 2011 Posts: 2944 Location: Ipswich, Queensland Australia
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Posted: Mon Nov 21, 2011 2:07 am Post subject: Re: swift sirrocco II ammo |
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The blurb from swifts web site;
"Scirocco II bonded is the perfect bullet design for today’s fast, flat-shooting, long-range cartridges. Its secant ogive, 15-degree boat tail base and Signature Black Tip™ create a sleek, aerodynamic profile that helps maintain down-range velocities and flat trajectories. The extra heavy tapering jacket wall with an internally bonded lead core provides structural integrity, reliable expansion and penetration with 80%+ weight retention."
I'm not seeing 80% here. It looks to me like it hit bone.
Having said that, you have 1 moose.
Where abouts from the moose did you dig this out of?
_________________ Pete
Dont do anything you wont like explaining to the paramedics.............. |
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10/better Rookie Member
Joined: Nov 20, 2011 Posts: 2 Location: Dryden Ontario,Canada
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Posted: Mon Nov 21, 2011 10:28 am Post subject: Re: swift sirrocco II ammo |
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thanx for all the feedback,don't get me wrong,had issues for number of years with over the counter loads,since going too the sirocco have had 100% success rate.Wuz more curious on if there has been issues....past nightmares of mine.Bullet did go through spine,rib and lodged in opposite front shoulder,so ya definitley did its job.
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Elvis Super Member
Joined: Jul 27, 2008 Posts: 9259 Location: south island New Zealand
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Posted: Mon Nov 21, 2011 1:27 pm Post subject: Re: swift sirrocco II ammo |
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sounds to me like it hit loads of serious resistance thats alot of bone. keep with it I suggest thats a good result from that angle, would a barnes type have done better??? maybe... maybe not. you got your animal, now how does it taste???? just looked at your photo again, that jacket has held together well, how heavy is it??the lead may have gone but thats still a large lump of metal, most jackets Ive retrieved over the years are way smaller than that.
_________________ You shot it You pluck it !
Them who eats the most duck eats the most feathers! |
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English Mike Super Member
Joined: Jan 08, 2007 Posts: 1709 Location: Whitehaven, Cumbria, UK
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Posted: Mon Nov 21, 2011 5:46 pm Post subject: Re: swift sirrocco II ammo |
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Just about anything except a partition or monolithic would have lost a great deal of mass going through what your bullet did.
Any ballistic tipped bullet has a tendency to lose more mass than a SP at high velocities.
It worked though & that's the main thing.
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chambered221 Super Member
Joined: Aug 17, 2007 Posts: 3455 Location: Lost for good !!!
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Posted: Fri Nov 25, 2011 9:15 am Post subject: Re: swift sirrocco II ammo |
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What does the recovered bullet weigh ???
What did it weigh originally ???
From the amount of shank left I'm betting there's some lead still in there.
_________________ Ask as many people needed, sooner or later your question will be answered the way you want it answered !!!
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