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Medium bore

22 Jan 2016
@ 07:31 pm (GMT)

Jared Thibodaux

Looking to add something different to my hunting rifle collection, seeing as I have never hunted with anything over 30 caliber I was thinking of adding a medium bore to the safe, but I don't want a 338 Win Mag or anything with recoil that might jolt a filling loose. Seeing as I don't need more then 250 yards range where I am currently I was considering a 338 Fed or a 358 Winchester, the 338 has about 20% more frontal area then a 30 caliber making for a noticeable increase, while the 358 has about 40% more making for a considerable increase.
Brass for both of course can be formed from 308 brass which I have in gross excess.
My only concern is terminal performance, of course both have vastly more energy/mass/momentum/caliber then I need for whitetail deer and feral hogs but it is the expansion that I worry about. Seems most .338 bullets are designed for 338 Win Mag speeds and the .358 cal bullets mostly seem designed for either the painfully slow 35 Remington lever guns or the considerably faster 35 Whelen and .358 Norma. By my math I could be dealing with impact speeds as low as 1750fps even at only 250 yards are there any medium bore bullets that can expand aggressively enough for thin skinned game at those speeds or do I really need to step up to a 338-06, 35 Whelen, or 9.3x62 for 250 yard terminal performance?

Replies

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29 Jan 2016
@ 07:53 pm (GMT)

Bob Mavin

Re: Medium bore
Cheapest option would be, buy a 9.3x62. There's a lot of makers that do factory off the shelf 9.3x62.
29 Jan 2016
@ 09:46 pm (GMT)

Jared Thibodaux

Re: Medium bore
True, the CZ is a nice looking rifle with a good reputation, only problem with the 9.3x62 is the very few bullets available for reloading and those that are available are almost all designed for MUCH heavier game then we have around here, I don't need a 286-320gr bonded or solid projectile to drop a deer. Only bullets that look like they might hold promise are the 270gr Hotcore and 286gr Interlock spire point, there are a couple of premium bullets that might expand fast enough at those modest speeds but Accubonds, Partitions and TTSX might still not impart enough of their energy for rapid killing. That problem aside the 9.3x62 seems like a fantastic choice, if they made a 250gr Game King or SST it would seem like the top choice.
29 Jan 2016
@ 10:02 pm (GMT)

Bob Mavin

Re: Medium bore
We use 270gn Speers, they drop Deer like they were stuck by lightning, even out to 260m and that was on a small Fallow
30 Jan 2016
@ 05:30 am (GMT)

Bryan Webster

Re: Medium bore
I am all too familiar with the new gun itch Jared, and I saw early in this ost that you too are hooked as are the many members here.

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