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#1485920 - 01/16/10 10:05 AM Big Bore Air guns...Which one?
Dultimatpredator Offline
Die Hard Member II

Registered: 07/06/07
Posts: 1606
Loc: Wisconsin
I have been leaning towards a Sam Yang Big bore 45 cal air rifle and remember from older posts that the older style "light" version was a better rifle for consistancy? I like the looks of the newer version and 50 Cal Dragon Slayer as well. I will mainly us the rifle for coyote and fox hunting where quieting sounds are a must. I see the barrel is threaded so a supressor could be added. Anyone quiet down one of these and to what success? Being an air rifle I am going to check into if their are any laws of supressing it. I am courious of how loud these rifles are with and without a supressor. I am told they are compairable to a 22 caliber rifle?

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#1485923 - 01/16/10 10:07 AM Re: Big Bore Air guns...Which one? [Re: Dultimatpredator]
Dultimatpredator Offline
Die Hard Member II

Registered: 07/06/07
Posts: 1606
Loc: Wisconsin
I remember reading about power tuning them to gain velocity as well. Who dose it, and for what price and what type of gain can I expect?

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#1486095 - 01/16/10 01:27 PM Re: Big Bore Air guns...Which one? [Re: Dultimatpredator]
Evil_Lurker Offline
PM senior

Registered: 07/30/05
Posts: 6721
Loc: Oregon
I've got a Sam Yang Big bore 45 cal.
I'd say the noise is comperable to a .410 shotgun. Yeah, the barrel is threaded. (I built a thread protector for mine).

I got the dual-tube model, it holds twice the air volume as the single tube does. I get right at 200 FPE out of it with round ball and 165 gr. cast lead bullets. It gets about 5 or 6 shots at the same velocity before the pressure drops off.

I've got it camo taped for hunting, but you can get the idea.



If you're looking to buy one, PM me and we might work something out. My rifle is pristine under the tape and low-round count.

Quote:
I remember reading about power tuning them to gain velocity as well. Who dose it, and for what price and what type of gain can I expect?


This guy did my friend's Sam Yang. It gets around 250 fpe with his tune.

BGMF Air Guns


Edited by Evil_Lurker (01/16/10 01:30 PM)
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Let's keep this a nice site where we help the ignorant.

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#1486177 - 01/16/10 03:14 PM Re: Big Bore Air guns...Which one? [Re: Evil_Lurker]
who me Offline
Seasoned Member

Registered: 08/30/09
Posts: 293
Loc: south west Idaho
Damm, I thought an air rifle was around .25 cal at the largest. I thought I was at the top of the pile when I bought a beeman R1. That was back in about 1987, I paid 325.00 and it has been one of my most used rifles. Many of rock chucks have fallen to this air rifle. Looks like Sam Yang has taken air gunning to the next level.

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#1486528 - 01/16/10 10:21 PM Re: Big Bore Air guns...Which one? [Re: who me]
kevlars Offline
Die Hard Member II

Registered: 01/20/05
Posts: 1774
Loc: NW Illinois
Originally Posted By: who me
Damm, I thought an air rifle was around .25 cal at the largest. I thought I was at the top of the pile when I bought a beeman R1. That was back in about 1987, I paid 325.00 and it has been one of my most used rifles. Many of rock chucks have fallen to this air rifle. Looks like Sam Yang has taken air gunning to the next level.


I have an R1 as well, in 20 cal. I love it! Had it since about 1993. I have been wanting one of the big bores as well.

kevlars
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God bless our troops...ESPECIALLY, our snipers!

"Real Trucks don't have spark plugs!!"

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#1486630 - 01/16/10 11:54 PM Re: Big Bore Air guns...Which one? [Re: kevlars]
who me Offline
Seasoned Member

Registered: 08/30/09
Posts: 293
Loc: south west Idaho
Kevlars, I bought the 177 and if I was to do it again I would buy the 20 cal. It would have extended my range and less wind drift. I guess I'll have to do a search and see what a Sam Yang is, and what they cost.

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#1486637 - 01/17/10 12:04 AM Re: Big Bore Air guns...Which one? [Re: who me]
kevlars Offline
Die Hard Member II

Registered: 01/20/05
Posts: 1774
Loc: NW Illinois
Yeah, my dealer talked me into the 20 cal. I am glad he did! It shoots great, and hits hard. Less drop than a 22 or 25, and still great velocity. I used to shoot the he!! out of pigeons and rats with it! Now, it just gets to take out the occasional squirrel or rabbit, or to teach a stray cat a lesson! I am glad I spent the money on the best way back then, I don't regret it now. Now they are over $500, closer to $600, I believe!

kevlars
_________________________
God bless our troops...ESPECIALLY, our snipers!

"Real Trucks don't have spark plugs!!"

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#1486678 - 01/17/10 12:48 AM Re: Big Bore Air guns...Which one? [Re: who me]
Evil_Lurker Offline
PM senior

Registered: 07/30/05
Posts: 6721
Loc: Oregon

Quote:
I guess I'll have to do a search and see what a Sam Yang is, and what they cost.



Sam Yang 909

That's the model they market now. Mine is the older 2-tube that has more air capacity and a larger transfer port. I get more energy than they show in their data, and with a custom tune, it can deliver even more. The 2-tube doesn't show that shot-to-shot velocity drop you see with the single tube, until the pressure falls off (about 5 shots). You don't see vertical stringing as much.

Mine's 100% stock, other than the fill port I added, and I built a Picatinny rail for it.

Here's how mine shot 248 gr. cast bullets across the chrony, for comparison:

FPS 606.4 612.7 619.4 616.3 616.4 605.5 594.9
FPE 202.4 206.6 211.2 209.1 209.1 201.8 194.8
Start: 3000 psi End: 2200 psi

It shoots 142 gr. round ball at 750 FPS and 180 FPE.
_________________________
Let's keep this a nice site where we help the ignorant.

IdBob: You will be missed, my friend.

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#1486703 - 01/17/10 01:02 AM Re: Big Bore Air guns...Which one? [Re: Evil_Lurker]
stealthman Offline
Die Hard Member III

Registered: 09/14/09
Posts: 2257
Loc: Enjoying The Outdoors
.

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#1486731 - 01/17/10 01:32 AM Re: Big Bore Air guns...Which one? [Re: stealthman]
Evil_Lurker Offline
PM senior

Registered: 07/30/05
Posts: 6721
Loc: Oregon
I just got mine last fall, but my hunting partner has killed an exotic goat, a decent sized pig and one coyote with his (same rifle). When we hunt together, I take the AR in case they hang up outside range of the air rifle, so I don't have much "trigger time" with mine. It's very accurate, though, no reason you couldn't drop a lot of fur with it, if you can get them inside about 60 yards.

Here's a link to a slideshow with some examples, taken with different big-bore airguns. I don't think I'm going bear hunting with mine, but somebody did. crazy

Airgun slideshow

(Click on "Pre-Charged Pneumatics)


Edited by Evil_Lurker (01/17/10 01:42 AM)
_________________________
Let's keep this a nice site where we help the ignorant.

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#1486732 - 01/17/10 01:34 AM Re: Big Bore Air guns...Which one? [Re: Evil_Lurker]
pieeyed Offline
Seasoned Member

Registered: 01/22/09
Posts: 259
Loc: WA
I have a Career 707 in .20. Had a .22 also. Different sound for each. The Sumatra Sam Yang is a close copy of the Shin Sung Career. These are deadly accurate rifles. Extremely fun.
They come in .177 .20 .22 .25 9mm .50 and a shotgun that I know of. There are a few reputable shops that work on these. there are others with different caliber list. The Koreans have made some impressive airguns.
Quackenbush has done a lot for big bores.
http://www.shinsungrifle.com/html/eng/main.htm
http://www.airgunsbbguns.com/career_707_shinsung_air_rifle_pcp_s/99.htm


Air guns and large ones have been around longer than most think like 1580, Lewis and Clark carried one. I think they impressed the Indians with it.

Explorers Lewis and Clark carried a butt reservoir air rifle, apparently of .31" caliber. This is an especially fine specimen of that type, made by a famed London gunmaker, T.J. Mortimer in the 1800's. It has two interchangeable barrels, a rifled one of .40 caliber for big game and a 36 gauge smoothbore for wildfowl. Attaching the butt reservoir to a separate hand pump and pumping in about two hundred strokes of air charges the gun. Such a charge may be good for about 20 shots. From the Beeman Airgun Museum.

http://www.beeman.com/history.htm

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#1486746 - 01/17/10 01:59 AM Re: Big Bore Air guns...Which one? [Re: pieeyed]
stealthman Offline
Die Hard Member III

Registered: 09/14/09
Posts: 2257
Loc: Enjoying The Outdoors
.

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#1486755 - 01/17/10 02:14 AM Re: Big Bore Air guns...Which one? [Re: stealthman]
Evil_Lurker Offline
PM senior

Registered: 07/30/05
Posts: 6721
Loc: Oregon
This thing buries a 250 grain bullet out of sight in a tree stump and shot a round ball clear through my buddie's coyote. thumbup
I'm not too sure I'd want it to diesel, since there's already 3000 psi in the barrel. You've got to be careful not to use any petroleum products at that kind of pressure. grin

I'll see if I can post a couple of target pics tomorrow, it shoots nice groups at 50 yards with the EOTech.
_________________________
Let's keep this a nice site where we help the ignorant.

IdBob: You will be missed, my friend.

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#1487016 - 01/17/10 11:35 AM Re: Big Bore Air guns...Which one? [Re: Evil_Lurker]
who me Offline
Seasoned Member

Registered: 08/30/09
Posts: 293
Loc: south west Idaho
When I first got my beeman R1 I Couldn't wait to get out in the field with it. Meet an older man with a hay field with a drain ditch running along one side. City limits on the other. He had rock chucks running all over the place. Between there, the old feedlot island, a spot along the river, and some fire wood piles I had a blast. I keep track of my kills on a calander. I took around 150+ for three summers in a row. I've had that rifle for 20 some years and its done in more rock chucks than my centerfire rifle. I could only imagine if I had a Sam Yang, I would have went after a lot larger game

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#1488186 - 01/18/10 09:34 AM Re: Big Bore Air guns...Which one? [Re: who me]
Dultimatpredator Offline
Die Hard Member II

Registered: 07/06/07
Posts: 1606
Loc: Wisconsin

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