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Can anybody tell me the difference between the 62 and 65 grain Gamekings?

And before somebody tells me there are 3 grains difference I had already done the math to figure that out.

Sierra says the 62 is a semi spitzer but the pic shows it as being of spitzer design.

Last edited by 10gaugemag; 08/08/20.

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The only difference I see is 3 grains. Maybe they "solved" a problem that didn't exist? The minute differences in BC tell me that the bullets have the same shape. Maybe the 62 has a thinner jacket or softer core. Time to email Sierra!!


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The Campfire wisdom seems to be that the 62 gr. semi-spitzer is shorter and will stabilize in a slower twist barrel. The description on the 65 gr GK says it requires a 10 twist or faster to stabilize.

Sierra 62 gr. GK





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Originally Posted by NVhntr
The Campfire wisdom seems to be that the 62 gr. semi-spitzer is shorter and will stabilize in a slower twist barrel. The description on the 65 gr GK says it requires a 10 twist or faster to stabilize.

Sierra 62 gr. GK




Really doesn't say much, got sidetracked to the 63 grain SMP.

Sent em an email, see what they say.


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https://www.24hourcampfire.com/ubbt...9/re-sierra-62gr-gk-in-1-14#Post14984509

Sierra 62gr GK in 1-14" [Re: chamois] #14989104 06/22/20
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Sierra said “no”.

A 1:10” is required.



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If you feel compelled to stay away from the 65 grainer for any reason the Sierra 63 gr. SMP is an outstanding bullet ( the only Sierra bullet I'll use on anything bigger than varmints) It is indeed the "short/fat" and will stabilize in a 1 in 14.


Heard good things about the 65 GK but have never used one, so no help there.


This #275 pig fell to a 63 gr SMP..




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Pure speculation here, but 62gr is the weight of the M855 5.56 projectile, it would make some marketing sense to make a hunting bullet of that weight just because that is what AR shooters are used to.


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Saw on one of the web sites this morning.. that they were having the 65 grain Game Kings on sale for $22.95..

don't recall which web site tho... was on Powder Valley, MidWay and Graf & Sons..


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As for accuracy, I've found the 65 GK to be as accurate as the 69 MK, at least to 200 yards in a couple of 1 in 7" twist Colt ARs and a 1 in 9" CZ bolt-action. The 63 CMP shoots very well in slow or fast twist barrels. I'd like to try the 62 grain.

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Originally Posted by ingwe
If you feel compelled to stay away from the 65 grainer for any reason the Sierra 63 gr. SMP is an outstanding bullet ( the only Sierra bullet I'll use on anything bigger than varmints) It is indeed the "short/fat" and will stabilize in a 1 in 14.


Heard good things about the 65 GK but have never used one, so no help there.


This #275 pig fell to a 63 gr SMP..




[Linked Image from i.imgur.com]

Its classified as a varmint bullet but I'm guessing, based on your results, it behaves differently?


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Originally Posted by OSU_Sig
Originally Posted by ingwe
If you feel compelled to stay away from the 65 grainer for any reason the Sierra 63 gr. SMP is an outstanding bullet ( the only Sierra bullet I'll use on anything bigger than varmints) It is indeed the "short/fat" and will stabilize in a 1 in 14.


Heard good things about the 65 GK but have never used one, so no help there.


This #275 pig fell to a 63 gr SMP..




[Linked Image from i.imgur.com]

Its classified as a varmint bullet but I'm guessing, based on your results, it behaves differently?



Yeah, Dober turned me on to it years ago. I believe he killed his best bear with it out of a .22-250 a 7+ footer

It behaves like a good deer bullet, and is very accurate.


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Originally Posted by ingwe
Originally Posted by OSU_Sig
Originally Posted by ingwe
If you feel compelled to stay away from the 65 grainer for any reason the Sierra 63 gr. SMP is an outstanding bullet ( the only Sierra bullet I'll use on anything bigger than varmints) It is indeed the "short/fat" and will stabilize in a 1 in 14.


Heard good things about the 65 GK but have never used one, so no help there.


This #275 pig fell to a 63 gr SMP..




[Linked Image from i.imgur.com]

Its classified as a varmint bullet but I'm guessing, based on your results, it behaves differently?



Yeah, Dober turned me on to it years ago. I believe he killed his best bear with it out of a .22-250 a 7+ footer

It behaves like a good deer bullet, and is very accurate.


a 70 grain Speer SMP is even more of a good idea...


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Originally Posted by Seafire

a 70 grain Speer SMP is even more of a good idea...




I am one of the few naysayers you'll find on the 70 gr Speer. Back in the day before premium bullets for .22s I gave them a try on three deer. Was very disappointed with the results and never went back. Others, including a good friend, did a lot more killing with them, and swore by them


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Thanks, I'll get some on order.


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My question to Sierra was other than 3 grains what are the differences between th 62 and 65 grain Gameking, here was the reply.

[Linked Image from i.postimg.cc]

Last edited by 10gaugemag; 08/10/20.

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LOL so they take a 1-10 minimum twist.



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Originally Posted by ingwe
Originally Posted by Seafire

a 70 grain Speer SMP is even more of a good idea...




I am one of the few naysayers you'll find on the 70 gr Speer. Back in the day before premium bullets for .22s I gave them a try on three deer. Was very disappointed with the results and never went back. Others, including a good friend, did a lot more killing with them, and swore by them


Myself Tom...I've has some dramatic kills with them...With H 380, I was running them at about 2900 fps...


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Originally Posted by Seafire
Originally Posted by ingwe
Originally Posted by Seafire

a 70 grain Speer SMP is even more of a good idea...




I am one of the few naysayers you'll find on the 70 gr Speer. Back in the day before premium bullets for .22s I gave them a try on three deer. Was very disappointed with the results and never went back. Others, including a good friend, did a lot more killing with them, and swore by them


Myself Tom...I've has some dramatic kills with them...With H 380, I was running them at about 2900 fps...

Saw a few critters killed w those when I was a young feller. When we were about 10 my bud killed his first deer with them from a 222.

Seen them used in 222, 223 and 22-250. They worked, nothing special just dead deer.


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Neither bullet being discussed is available from Midway or Natchez Shooters.


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Originally Posted by OSU_Sig
Neither bullet being discussed is available from Midway or Natchez Shooters.


Yes they are. 62’s in stock. 65’s available for BO. at Midway. Grafs, Bass Pro and Optics Planet have em.

[Linked Image from i.postimg.cc]



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