Airforce texan ss 308 or 357

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Long_Gun_Dallas said:
@markhooper generally speaking most airgun models will shoot within 100-200fps or so of each consecutive caliber increase. There is often a substantial weight increase for each jump in caliber. And there is pretty much always a jump in power associated. Power isn't free. Takes power to make power. Larger valving/ports hammer changes. But also part of the equation is the Larger bore. A larger bore area makes a big difference. This is why longer barrels produce more power for one given caliber. Although there are some cases where this does not happen. Air is relatively low pressure compared to powder guns. So, it is more about volume and leverage. More bore capacity allows expending air more leverage to do its thing. So, most guns, if the projectile weight and barrel length is equal, will shoot faster with a larger bore. But larger caliber guns are usually tuned and modified to output more air volume to drive the heavier projectiles associated with the caliber increase. This is not always the case, but with high power hunting guns, it really should be.
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thank you for the explanation.. it's very thorough..so basically as far as fps they will be similar but more energy and air expended the larger the bore?
so like for me, it would be better to stay with a 30 caliber since I would just be shooting long range targets and possibly a occasional varmint, but then most of the varmints I would shoot, my 22 air rifle is plenty.. it just looses it around 160 yards with pellets, doesn't matter if they are 14 grain cphp or 18 grain jsb.. I haven't tried the jsb jumbo monster redesigned 25 grain yet.. I really enjoyed shooting my friends Jefferson rifle 30 caliber with the jsb 48 grain.. 30 caliber is about the smallest I would consider without a magazine as I would just lose the 22 pellets if I was trying to single load out in the field.
it sure is a lot cheaper shooting 22, I think even the jumbo monster redesigned.. I know that I am likely at the limit of my 22 air rifle though..
Mark
 
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so does anyone know about the adjustable power wheel on the Texan 308? is it easy to dial down to shoot jsb pellets and then dial up for slugs? is it easy to get the same settings or would you have to chronograph each time you switch between? any idea about how many shots per fill on jsb pellets.. looks like less than 10 but more likely around 3 shots with slugs..
Mark
 
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Long_Gun_Dallas said:
For long range and varmints I'd go with .257, but not sure if they'd run .25 pellets like the .308 would run .30. Could always go .25 if they offer that.... as for brass or copper, I'm pretty sure solid brass or copper would be fine, but might want to do some homework on that.
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so I think 25 caliber is right on the edge for single loading.. likely to loose some in the field.. I'm thinking anything smaller than 30 caliber is going to have to have a magazine fed..
did you watch the longest air rifle shot.. it was a Texan 308.. it was last week on the front page of AGN.. have you ever watched the Quigly bucket challenge with air guns.. they also seem to be shooting Texas 45 caliber since Quigly rifle was a sharps 45-120.. I am positive I can't handle 45 caliber recoil and enjoy it.. as far as copper or brass bullets.. I keep reading about people using a brass cleaning brush and supposedly ruining the rifling.. but it's the only reason I consider 357 as I could get 357,38 special or 9mm reloading bullets that are copper jacket and they would be easy to source locally..
my budget is low but I really enjoyed shooting the 30 caliber out to 100! yards.. but I just keep going back to wondering if there's a good 22 with a magazine that could shoot pellets out to 50 yards and then slugs out much farther.. but it's probably too much to try to get out of one gun
Mark
 
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I was considering the new avenger X 22 bottle gun but it's not really budget friendly.. and after reading the tuning guide on here it seems maxed out around that 850 fps area and it probably not sufficient for slugs at long r.. I had originally thought that it might do slug on high port and pellet on low port
seems like more than that platform is capable of..
the new one I was talking about with multiple port settings and long barrel, is available from 22-35 caliber.. nice big tank 700 cc.. but Dallas it's your favorite brand.. 🤔 hatsan and supposed to be available middle of the year.. but by then it won't take much to find anything better... Mark
 
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@markhooper I'd be willing to bet 45 recoil out of an airgun is pretty tame. Especially with a moderator.

Personally, i have no current use for a big bore. I dont even shoot my .30. Ive got a .308 and 45-70 I'll shoot, but those arent airguns.

If I had the space to shoot, space to set up casting, and a real good supply of air, I guarantee I'd have some rather large big bores. At least a .50.

I had not seen the 308 long shot. Maybe I'm just an ass, but I'm not much impressed by guys walking shots. I feel like a very good number of members here could do the same if they had the gun, ammo, air, assistance, range, and time. 🤷 There is a chance I'm being ignorant.

Oh no, don't say the h word 🤣 please. My mk1 crown does pellets and slugs just fine. Hammer and port adjustment knobs so you get a lot of range of adjustment. My 500mm barrel will send 25gr .22 slugs at 950fps. The 500 is also meant to shoot pellets too. But I still almost exclusively shoot pellets thru the 380mm barrel. Have taken squirrel with headshots as far as 70-75 yards with no issue using 16gr pellets. About as far as I'm comfortable using pellets in almost 0 wind conditions btw. Usually I get them closer like 30-50 yards.
 
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Long_Gun_Dallas said:
@markhooper I'd be willing to bet 45 recoil out of an airgun is pretty tame. Especially with a moderator.

Personally, i have no current use for a big bore. I dont even shoot my .30. Ive got a .308 and 45-70 I'll shoot, but those arent airguns.

If I had the space to shoot, space to set up casting, and a real good supply of air, I guarantee I'd have some rather large big bores. At least a .50.

I had not seen the 308 long shot. Maybe I'm just an ass, but I'm not much impressed by guys walking shots. I feel like a very good number of members here could do the same if they had the gun, ammo, air, assistance, range, and time. 🤷 There is a chance I'm being ignorant.

Oh no, don't say the h word 🤣 please. My mk1 crown does pellets and slugs just fine. Hammer and port adjustment knobs so you get a lot of range of adjustment. My 500mm barrel will send 25gr .22 slugs at 950fps. The 500 is also meant to shoot pellets too. But I still almost exclusively shoot pellets thru the 380mm barrel. Have taken squirrel with headshots as far as 70-75 yards with no issue using 16gr pellets. About as far as I'm comfortable using pellets in almost 0 wind conditions btw. Usually I get them closer like 30-50 yards.
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Dallas
I agree with you about walking a pellet or bullet to a target, especially when we only see one hit.. but then again I have walked a bullet to a target because I didn't know how much to compensate..
the big thing for me is is it constantly repeatable?? once you have walked a bullet to target you should be able to repeat it regularly.. including different days.. it really would be been nice to see them just continue shooting and hitting the target..
but it's not in the in the video so no clue if it was a accidental hit or if it was repeatable.. would be so amazing if it was regularly repeated with very few miss shots
Mark
 
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