I attempted a range of loads, and obtained many great groups—but my goal (and hope) was to get a median of five, 3-shot teams under 1". That would seem an affordable requirements for reliable accuracy, and attaining this kind of an average is normally a little bit tougher than obtaining just one good group, ignoring The remainder and contacting it every day.
In more discussions, Scott reported because they’ve also completed substantial investigation around the 300 Norma Mag since they had been prepared to submit their rifle for your SOCOM Highly developed Sniper Rifle deal, and so they identified longer bullet jumps improved performance on that cartridge also.
030” in to the lands, 0.050” off the lands, and 0.one hundred” from the lands. I measured the space towards the lands using Mark Gordon’s super-precise and repeatable process. I figured one or two of People may possibly significantly out-complete 1 or 2 of them, and that might give me way on what range to do additional testing. I started having a seven-shot team of each and every of your a few bullet jumps, but I introduced anything to the range with me to accomplish comply with-up tests over a smaller range of bullet jumps immediately after All those initial groups. Here is what I found:
Last of all, the bullet bounce you settled on. I completely understand how and why you ended up there, but as I've adopted your writings Nearly religiously, (browse, similar to a heretic) I’m sorta puzzled once again, as I believed we/you already established that the best established was concerning.
I even had a can of cleaner in my hand at the least after, but I felt like I used to be shooting well, And that i just didn’t want to danger that it might bring about the trigger to halt features altogether – especially because I didn’t have a backup rifle.
5 fps! I’ve in no way viewed or heard about something that low over these types of a considerable sample sizing. (Notice: When you measure SD working with lower than 10 shots, you need to know: “For compact samples, regular deviation will nearly always underestimate variation.” I hope to write much more on that soon, however you can
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McMillan Firearms is renowned for his or her precision rifles, together with People chambered from the 257 Roberts caliber.
Holes while in the target backer present how how pressures within the flutes inside the G9 bullets are even throwing bits of paper throughout the cardboard. Hornady Significant Responsibility 10mm Auto 175-grain FlexLock
The machined copper bullets are solid, but function flutes Minimize from The purpose. The flutes lessen the floor area at the point and make improvements to penetration but make cavitation and also a wound channel a lot more like an expanding bullet than Those people made by sound Forged bullets.
The .257 Roberts will be the Goldilocks of whitetail cartridges. It’s not a screamer and it’s not a slowpoke.
Ultimately, for kimber rifle matches similar to this I really want SD’s in the single digits. If I’m not acquiring that, I come to feel like I will most likely fall some details due to it, so I’ll seek to do whatsoever I am able to to generate that come about.
Thanks, Jeffrey. I take pleasure in The type words. I try out really hard to give 100% honest, balanced, and goal reviews. Reviews in Journals normally feel more like compensated adverts, and guys on forums just spout their opinions and anecdotal practical experience like its the unquestionable truth handed down from God himself! Once i say some thing like “Most shooters …”, I normally Check out myself As well as in my head, I ask, “Is that really ‘most shooters’ or is it ‘a lot of shooters’ … Or perhaps even just ‘some’ or ‘a couple of’?
The Hunter is often a searching rifle, not a tactical or match rifle. So probably it’s extra fascinating—and a lot more sensible—to check out if it could meet up with the m.o.a. assure with standard looking loads? There’s no will need for suspense. I’ll inform you today it won’t get it done with every thing, and I’ll wager that there isn’t a output rifle out there that should with every load. And of course, even though I’d anticipate fantastic effects with match-grade ammunition, there’s seriously no telling what load may make it possible for a given rifle to shoot its most effective.