Educate me on bushpigs

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Originally Posted by Friwi

Hey Chris,
What would be the figures with a 125/130 grain bullet? as a lot of guys are using that weight class for the short distances in bush shooting.

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Sierra 125gr, 16" barrel vs 24" barrel with a variety of different powders.

ADI lists max charge as 50gr of 2208, which quickload predicts will go at 2869fps with 16" barrel. QL suggests same load will do 3152 with a 24" barrel

2206H, max charge listed as 49gr, which quickload predicsts will go at 2896fps. QL suggests same load will do 3186 with a 24" barrel
2219 max charge listed as 45gr, QL predicts 2851fps. QL suggests same load will do 3126 with a 24" barrel
2207 max charge = 39.5, QL predicts 2778fps. QL suggests same load will do 3023 with a 24" barrel

So we can conclude that QL predicts that the powder that will produce the most FPS from a long barrel, will also produce the most FPS in a short barrel for a given projectile weight.
I cant comment on if this would translate into real world or not but those are the predictions nonetheless.

I would think that real world FPS would be slightly higher than above as I kept the COAL the same as when I was messing with the 175gr load -- in reality the COAL would be shorter with the 125gr load, which will produce a bit more pressure and a bit more FPS. The general conclusion remains the same though.

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Originally Posted by veitnamcam

You can lead someone to water but......

I will just say.

Why would the cartridge care what length the barrel is.....it wouldn't.

If you are getting velocity "back" by running faster powder it is even more velocity you could have had in the longer barrel with the same load....you have gained nothing more than more pressure.

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Lead me to water then... Its not about the cartridge is it? The cartridge is a constant. Its about the powder in the cartridge...

Pressure, duration and acceleration all have some bearing on velocity, to suggest that there is no variation to relative performance, by vastly different powder specifications in different barrel lengths seems unlikely from a physics perspective. It may be insignificant or minor but none??.... wheres the direct evidence that can show us those results..?

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Originally Posted by Friwi

Hey Chris,
What would be the figures with a 125/130 grain bullet? as a lot of guys are using that weight class for the short distances in bush shooting.

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I was thinking about this and then I read @ChrisW’s numbers (thanks Chris)... I would have thought that those kinds of velocities (~2900fps) would be too messy with frangible bullets, lot of meat damage, big holes, at close range?
@Shearer, what do you see with the Accubonds? Being a tough bullet I expect they fly straight through the animal?


When I was a kid my Grandpa always went the ‘slow and heavy’ route for carbines at close range for woodland deer, so that’s what I’ve always done since with good outcomes, especially on big reds. I was planning on 165-180gr in my .308 18” that I’m getting done soon at DPT.


Any comments on why light for calibre is better other than just being faster?


The 170gr flat nose ProHunters go bloody well on deer out of a short 308 at close-ish range, say sub 150m. The 150gr round nose ProHunters likewise.

Because Bushpigs all require shortening of the barrel can I ask a question here about shortening fluted barrels .
Is there any problems associated with shortening fluted barrels in regards to fitting over barrel suppressors ?

Ken

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Originally Posted by Ground Control

Because Bushpigs all require shortening of the barrel can I ask a question here about shortening fluted barrels .
Is there any problems associated with shortening fluted barrels in regards to fitting over barrel suppressors ?

Ken

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I have a fluted 223 barrel for my 93
It was 23"
I had it shortened to 18" a year or 2 ago. Lost a bit of velocity but kept accuracy.

If the suppressor has an isolator tube it wont make any difference if the suppressor is fitted correctly.

Sent from my SM-G965F using Tapatalk

It's important to just set up your rifle in a way that suits you rather than get a bush pig idea in your head
Find acompromise your happy with and go hunting
+/- 2 inches isn't going to matter

They’re great. When I get home I can send you the NZ Hunter articles. They’ve done a lot of research on the subject.

The only thing that will stop you from having the best bush pig in the world is the availability of cash, mines off at the moment being bedded into a carbon stock... ;-)

Attachment 98760

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Originally Posted by sneeze

Bush pig: Take a perfectly functional good looking rifle, abbreviate the barrel (neuter is a better term) , fit a supressor that will still damage your hearing, then spend a lot of time playing with all sorts of ammo and try but fail to make it function like it did before it was vandalized. Pros: Its fashionable, (though Id call that a con) . Cons: Ugly, loss of performance, ugly, cost, lower resale, and ugly,
Simple answer? Buy a good set of electronic ear protectors ,peltor sporttac or simmilar. Rifle stays like it was intended, performs like it should and you save a heap of money both now and latter when gun boredom sets in.

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I respectfully disagree with you... and agree with you.

That’s why I have a number of rifles ranging in barrel length from 16 to 26!

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Originally Posted by northdude

i just think its a dumb name to call a carbine kind of like reinventing the wheel and giving it a new name

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It was a commercial decision, designed to make a lot of money, and it has! Have you seen their price list?

Good on them too!

I've not read all of the thread so apologies if this doubles up on any content. This is what I use for the bush and is a close to perfect for that as I've ever used. Bergara .308 with the barrel shortened to just over 16" and fitted with a DPT. I usually have it wrapped from supressor to but. Being a single shot it will always be shorter in length then a bolt gun as you don't have the action length. It is quieter then any bolt gun and completely safe to carry with a round in the chamber - just cock the hammer when your ready to go. It groups an overlapping hole at 100m with a 168gr factory load. The only thing I dislike is the spur on the trigger guard for opening the action which I think I'll cut off as the action can be opened by pulling on the front of the guard itself - the spur diggs into your back when carrying slung. I wouldent fire a pop gun these days without a suppressor. I use a 1.5-6 Zeiss or a H1 4MOA Aimpoint. Attachment 98761Attachment 98762

Looks like the farm not the bush @bing :P

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Originally Posted by Gibo

Looks like the farm not the bush @bing :P

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Just Jealous mate :thumbsup:

Hi Gibo, That was one of a small group that came out of the bush to feed on the edge, dropped it in the bush and pulled it out - down hill :)

Im a big fan of shooting animals I can drive the quad or truck to.

nice portable rigs

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Originally Posted by bing

Hi Gibo, That was one of a small group that came out of the bush to feed on the edge, dropped it in the bush and pulled it out - down hill :)

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Just pulling ya leg mate. Nice buck. I do my share of paddock harvesting too ;)