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Its all good Jared. Always good to have someone with a strong opinion on stuff to argue with. You are welcome to your view, I will stick with mine, which is based on a little more than just social...

A bit different to what Jared?

Look I see what you're saying, but I just don't buy the underlying design premise that a high BC, hard, controlled expansion style bullet is a great idea, that...

I'm sure they do drop them with exit wounds like that. As a meat hunter I want a bullet to do all the damage internally and preferably not somewhere in the neighbouring district. The GameChanger...

I spoke to Steve's wholesale last week Mooseman... they aren't in the current shipment so earliest would be late June. Annoying!

@300AAC On your Instagram those are some pretty massive exit wound holes on those smaller deer, eh.

That's excellent. So it does appear true, what the Sierra technician said, some 1:10" barrels will, some won't.

This is one of the best results I've seen on the web for the 90gr 6mm bullet.
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That's good to hear Dreamer. Have you had the chance to test accuracy at longer range? Like 300m? 400m? Its possible that a marginally stable bullet (which this is) could start to miss behave quite...

shift14 thanks for that I joined Instagram just to take a look... far out they blow massive holes in fallow deer for sure, way too much bullet for those little critters. Way too much damage. I...

An update on some recent discussion with Sierra about the 90gr 6mm GameChanger. I have a good friend in the UK who has just spent a small fortune trying to get these to work in his Tikka, and he...

Here's a comparison of the new 90gr 6mm GameChanger (left) and the 100gr 6mm ProHunter (right). I have tried to scale the photos so the relative lengths are pretty accurate.

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The...

I think you're pretty spot on Mooseman. Over the years I've taken several fallow and yearling reds with the 243 and the relatively soft 100gr Prohunter between 350 and 400 yards, all from the exact...

Its interesting @Mooseman, I'm seeing a little bit of reluctance in the last couple of statements in the text to give them a wholehearted thumbs up?

Most of our game animals here are pretty thin...

My cuz in Colorado said the .30 cal 165gr worked "okay but not great" or words to that effect in their deer season late last year. Also bush stalking, mule deer, which is a pretty good proxy for...

Yeah, so do I. The Sierra techs say they definitely will, which is bold but probably because they've tested a shit load of them. The stability calcs look good. Important to use the JBM one or another...

I was thinking today I might give the 6mm GameChanger a go in my .243 Win as they would probably be the best compromise between BC and weight for a 1:10” twist barrel and would certainly fly better...

And from the Sierra Blog, here are the bullet lengths, which are helpful for stability checks.

6mm 90 = 1.161″
6.5mm 130 = 1.373′
.277 140 = 1.377″
7mm 165 = 1.495″
.308 165 = 1.409″

From...

https://www.youtube.com/watch?v=3UnmfK_w9yI&t=2099s

33:25 is where you see the recovered bullets and their expansion.

That’s not the case mate. I read a lot about these new Sierras a few weeks and concluded that they are designed to be a much tougher bullet than the GameKing. Then I emailed Philip Mahin at Sierra...