New Sierra 6.5 MK

More expensive to feed, but worth it.
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cslcAl
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New Sierra 6.5 MK

Post by cslcAl » Mon Oct 23, 2017 12:47 pm

Here ya go.

Sierra has introduced a new 6.5mm 150gr. MatchKing. This should be a real ram slammer. Super lo drag design with a BC of .713.
Product # 1755.
56AB702F-074E-411E-A0B6-5E845A0E6428.jpeg
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150 on the left with 142 on the right.

Al Foust
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Re: New Sierra 6.5 MK

Post by Varn » Mon Oct 23, 2017 2:35 pm

Have you tried any out of a 1-8 twist at 260 velocities? Sierra's web site states 1 in 7.5. Thanks for the info Al

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Re: New Sierra 6.5 MK

Post by cslcAl » Mon Oct 23, 2017 4:28 pm

Varn, I just received some today. I may take a day off my busy hunting schedule tomorrow and try them out. I have seen reports of them shooting ok in a 1-8 twist.

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Re: New Sierra 6.5 MK

Post by Taps » Tue Oct 24, 2017 2:09 pm

G'day Al
Sierra used to make a 155gr MK. I shot them in a 6.5 / 257 Roberts Ackley Improved. Never had a ram stand with those but I used to drive them out at around 2900 f/s. That rifle would shoot under 2" @ 500m. Other blokes down here tried them in .260Rem with varying degrees of success.
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Re: New Sierra 6.5 MK

Post by Another Dang 9 » Wed Oct 25, 2017 8:36 am

Hi Al, has Sierra come out with load data for the bullet yet?
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Re: New Sierra 6.5 MK

Post by cslcAl » Wed Oct 25, 2017 4:30 pm

Tom,

Check on their website.

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Re: New Sierra 6.5 MK

Post by Another Dang 9 » Wed Oct 25, 2017 5:20 pm

Will do thanks Al.
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Re: New Sierra 6.5 MK

Post by Another Dang 9 » Thu Oct 26, 2017 7:23 pm

Al, I called Sierra and they only have load data for the 6.5 Creedmoor. They said they will have load data for the other 6.5s in due time...
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Re: New Sierra 6.5 MK

Post by Varn » Tue Nov 14, 2017 1:16 pm

Al,
Did you get a chance to try these out yet?

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Re: New Sierra 6.5 MK

Post by cslcAl » Wed Nov 15, 2017 6:10 am

Mark,
I haven’t had time to give them an honest test. I’ve been busy hunting and I got a new toy from Mark Pharr I’ve been spending time with.

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