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Old October 16, 2013, 09:06 PM   #1
bshefa
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.308 out of a 16 inch barrel for pigs

I posted this earlier asking about the efficacy of this combo on pigs out to 300 yards. Let me ask this another way: Would a 150gr 308 bullet out of a 16 inch barrel essentially have the same ballistics as a 150gr 30-30? Could you extrapolate from there the effective range to kill pig sized target?

Thanks
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Old October 16, 2013, 09:30 PM   #2
Beretta686
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I can't tell you if it will match a 30-30 at 300 yards, but a .308 will still have plenty of knockdown power for a pig at that range if you do your part and place it correctly.

The effective range is going to be what you can hit as .308 packs a wallop. For the average marksman hitting a pig at 300 meters would be a rather spectacular shot. Unless you're a really good shot, I wouldn't worry about max effective range.
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Old October 16, 2013, 09:32 PM   #3
reynolds357
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It will do just fine. I can kill pigs at 300 yards with a 7-30 Waters Pistol.
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Old October 16, 2013, 09:39 PM   #4
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.308

The 308 drops after 100 yards. I would consider a bullet in the 30 cal family for the range Im shooting at. Ive killed hogs with a SKS but at a 25 yard range. A well placed shot within the calibers effective range is important.
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Old October 16, 2013, 09:46 PM   #5
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The short answer is that it depends. While the exact velocity would vary with the load you use, you can expect to get 2450-2550fps out of a 150gr bullet out of that barrel length. This would give you a slightly higher velocity than the .30-30. However, with the .308 Winchester your bullets will usually have a much higher ballistic coefficient (~.400) than those fired from a .30-30 (~.220). This, combined with their slightly higher velocity, will result in a generic 150gr .308 bullet shooting slightly flatter and hitting a little harder than a generic 150gr .30-30 bullet.

Using a these rough figures in a ballistic computer shows that the .308 bullet will have over 1000 FPE all the way out to 400 yards. With a 250 yard zero, the bullet will hit 4.59" high at 150 yards and 5.39" low at 300 yards, which is adequate, but not great for hunting purposes. For comparison, a generic .30-30 load would drop below 1000 FPE between 150-200 yards and be over 15" low at 300 yards with a 200 yard zero.

Bottom line: the .308 will work better than a .30-30 out past 200 yards and still hit plenty hard enough to get the job done even when fired out of a 16" barrel.
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Old October 16, 2013, 10:28 PM   #6
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If you can make solid shots out to 300 yards with your .308 the cartridge will do its job. It comes back to the shooter to do his. Ammo selection is also worth thinking about. Before I hunt with a rifle I get comfortable shooting at paper or steel.
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Old October 16, 2013, 10:34 PM   #7
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It will work no doubt, but I would much rather have a 30-30 then a 16" 308. I like at leased a 20" barrel on a 308 with 22" being about ideal.
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Old October 17, 2013, 12:08 AM   #8
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Ah ha. Forgot about the difference in BC.

Thanks for the input!
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Old October 17, 2013, 12:27 AM   #9
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Just as an aside, The purpose of this rifle when shooting at hogs is not "hunting", it is eradication. We have a pest problem here. A 16 inch rifle is much more handy out the window of a truck than a longer rifle.
20 rounds in the magazine doesn't hurt either when there are big groups.

I've been doing this for a long time, and feel pretty confident in shots at significant range. I've got several 300+ laser range finder confirmed DRT shots on hogs with my 20 inch AR10, however it is quite difficult to shoot out the driver window because of length (2.5 inch muzzle break) and weight. I've made it work,but am always looking for something new I was just concerned about the trajectory and amount of power loss in this combo.

Will definitely shoot it extensively so I feel comfortable with its limitations.
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Old October 17, 2013, 12:31 AM   #10
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sure

A 16" .308 will be grim death on hogs, to any distance you can place your shots well. It will also be more gun than a similarly tubed .30-30 as it has more powder capacity.

I bet somebody has some chrono results on a 16" .308.
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Old October 17, 2013, 01:26 AM   #11
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In a 16" tube I bet you are in the 2600fps range with 150gr.
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Old October 17, 2013, 05:38 AM   #12
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These guys were still getting 2630 fps from an 18" barrel with 168's

http://www.tacticaloperations.com/SWATbarrel/

2600-2700 fps from a 16" barrel and 150's should certanly be possible. That is a lot better than you can get from a 30-30. My 20" guns chrono about 2225, the 16" 30-30 about 2175.
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Old October 17, 2013, 07:40 AM   #13
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.308 out of a 16 inch barrel for pigs

Quote:
Originally Posted by xf9218 View Post
The 308 drops after 100 yards. I would consider a bullet in the 30 cal family for the range Im shooting at. Ive killed hogs with a SKS but at a 25 yard range. A well placed shot within the calibers effective range is important.
A .308 actually drops immediately upon leaving the barrel, as does every single other round.

OP, I would have no hesitations to using a .308 out past 300 yards for hogs; even with a 16" barrel. Go get 'em.
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Old October 17, 2013, 08:53 AM   #14
Beretta686
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Quote:
Just as an aside, The purpose of this rifle when shooting at hogs is not "hunting", it is eradication. We have a pest problem here. A 16 inch rifle is much more handy out the window of a truck than a longer rifle.
If you're just looking to eradicate them, who cares what the round is doing or if it makes a clean kill you can easily find?

Though I certainly don't like unnecessary suffering, I like pigs tearing up my property less, so I'll shoot them with whatever I have, even if it's a .22LR. I've dumped whole AK mags at groups of pigs hoping they'd walk into one of the rounds.

If you're shooting that far out you may want to consider a suppressor, as at that range they don't know what's going on and you can get more than one shot off before they start scrambling. Plus it won't blow your ear drums out like a muzzle break would. I refuse to shoot my SCAR without ear plugs on.
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Old October 17, 2013, 10:01 PM   #15
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An AR-15 is an excellent choice for eradication.
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Old October 19, 2013, 11:44 AM   #16
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Noise is a problem. Before I knew better I shot quite a bit without protection. Now I have ringing ears. To keep this from getting worse, I keep a pair of Pro Ears in my truck. I will not shoot without them.

A suppressor sounds awesome but seems like quite a hassle to get. Maybe one day I'll have the time to work that out.

I agree about not really caring on hogs. I have emptied mags out of a 10/22 more than a few times knowing the animals will likely die. But when they drop right there, I do like to see what I've killed and get pics. Nobody says eradication can't be fun!

Last edited by bshefa; October 19, 2013 at 04:35 PM.
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Old October 19, 2013, 11:46 AM   #17
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By the way the new rifle is a FNAR with a 16 inch barrel. Took it out and shot it yesterday and it is scary accurate for a semiauto. Cheap core lokts were making cloverleaf groups consistently. Didn't really move POI when it heated up either. This is going to be fun.
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Old October 20, 2013, 12:53 AM   #18
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bshefa...I think that is an excellent way to go.... 308 cal has always been a favorite of mine.... I have a Remington 760 Carbine..18 in barrel and a M&P AR10.... Remington Corelokts 150's are what I use.... I recently did a build for my wife....Her hog gun....Remington 7400....Lightweight syn youth stock added....Barrel cut to 16.5 inches and crowned.... Nikon 2x7 scope.... I recently sighted in at 100 yrds.... I left it at the last 2 shots.... I have 2 buds who did this same build with very good results....
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Old October 21, 2013, 05:51 PM   #19
bshefa
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That looks pretty handy. I really like what you have done with that rifle. I have a standard 7400 in 3006 that has killed quite a few hogs. They work well. Mine strings high when it gets hot but if you know it you can adjust for it.
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Old October 21, 2013, 07:02 PM   #20
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What county U hunt in?
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Old October 21, 2013, 07:15 PM   #21
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Keg, is that a seed sack you used for a target?
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Old October 22, 2013, 09:31 PM   #22
bshefa
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Falls and Hamilton
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Old October 23, 2013, 01:05 AM   #23
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I'm getting 2600fps with factory loaded 150gr nosler ballistic tip from a dpms recon 308. I have always compared it to a 300savage in terms of effectiveness. It certainly is a much better performer than a 30-30.
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Old October 25, 2013, 08:42 AM   #24
Keg
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Quote:
Keg, is that a seed sack you used for a target?
I seem to have an endless supply of deer corn sacks....LOL
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Old October 25, 2013, 01:57 PM   #25
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And so you have an endless supply of targets!

The guy who put targets on deer corn bags was a genius.

Back to the original thread, I have taken 36 hogs this year, all with a .308 with a shorter barrel a bit over 16" IIRC. They have ranged in size from about 40 lbs to 280 lbs and distances out to 170 yards.
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