JR Carbines cal?

maddawg

maddawg

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Hello Gang

Well my son is looking to purchase a semi-auto hand gun... well I opened up my big mouth and told him I would purchase a JR semi-carbine in the same caliber. He told OK pick a caliber Has anyone done any research on the ballistics and hitting power of the three caliber the JR are available in? what would be best for coyote in our back yard? The bush is tight here so maximum yardage here is seventy five tops...probably more like 45 yards,
 
I don't think the ballistics would be any different between a rifle and a pistol. All three calibers would gain equally from the longer barrel.

I think any of the three would be capable of taking a coyote at up to 100 yards.

Another thing to think about. My carbine is an ammo eater. I can shoot 200 rounds before I even know it. Thats why I picked 9mm.
 
That is a really good question and I am glad you posted it. Was wondering the same thing. I have been holding out for the JR in .45 acp. I reload for it and have lots of components. Just like that calibre.
I have been re-thinking it though as the .45 isn't coming any time soon. The .40 would have a flatter trajectory. Bullets weights come close. While the gun would be mostly for plinking I would want to be able to use it on coyotes and other varmints if the occasion arose. My son and I were wondering if either the .45 or the .40 would be acceptable on deer under 100 yds, more likely 50-75 yds.
So, what Maddawg asked. Which calibre for best all around applications? :confused:
 
Thanks Rugerman, yea I am a bit torn too.

I am not really worried about cost for two reasons , I reload and usually a lot of some high cost rifle, and would notice the difference between any of these calibers. I am worried about ammo availability, and performance, stopping power, I would really love some thoughts and input...
best regards Chris
 
Like I said in my earlier post, I own a 9mm carbine. I have done some researching as my brother wanted to hunt with it.

The consensus on the internet seems to be minimum 357 for deer, no matter what distance. Yes many argue that if shot in the right place, even a .22 will work. Its just not humane. None of those rounds provide enough energy for hunting and were never designed for that.

On smaller animals. No Problem. Coyote, Racoon ect.
 
TheUnprofesional said:
this site shows the effect of longer barrel vs handgun nicely http://ballisticsbytheinch.com/9luger.html
Click to expand...

Yes thank you so much i was certainly surprised to see the 9mm has well a harder hitting power from an 18" barrel . Thanks again this more what I was searching for. I have tons of rifle experience but very little info and experience on pistol. And after seeing these why did they not make that critter in 357 mag..... wow
 
My son sent me a video by the maker of the JR. He shoots a really impressive group I thought with it (in .45 acp). He says you can expect 150 ft/sec increase in velocity. Hmmmm, maybe worth the wait. :D


[youtube]TKnoeGBwpiM[/youtube]
 
i'm kinda liking the way a jr carbine looks (yeppers, guess I'm into fugly:D), I actually like the look.
likely going with a 9mm but the 40 is peaking my interest.
I watched the video on the website, unfortunately, the range isn't given although I'm guessing maybe 25 yards by the looks of it.
Does anyone have any 'real world, actually gone to the range and shot it' reports on any of the three calibers?
what kind of average groups/distances that sort of thing?
I have a bit of a tax refund and think it's time to 'share the love'.

thanx

TB
 
I bought a 9mm yesterday took it out to my pit, using a red dot I was shooting 4" groups at 45 yard under relatively fast fire and free hand. Didn't get to shoot it much because of the light but I am guessing the 4" group is due to the operator and the red dot

I beleieve you can buy calibre changing kits for $2-300 although availability might be a problem vist it the JR Carbine sight to seee alot more info
 
Rugerman said:
My son and I were wondering if either the .45 or the .40 would be acceptable on deer under 100 yds, more likely 50-75 yds.
Click to expand...

Bear in mind that some Provinces mandate a minimum OAL for the unloaded case to allow it to be used for big game.

FWIW I would get one in 9mm..Cheap to feed and ammo is plentiful. Still be a decent 100 yard gopher getter and maybe even do on coyotes up close and personal.
 
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