#2110013 - 03/25/08 08:56 PM
F CLASS question
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whelennut
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Registered: 09/15/06
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My buddy has a 24 inch barrel on his AR-15 with a 1/9 twist.
He wants to try F class. I doubt if he can stabilize a heavy enough bullet for 600 yds. but don't want to discourage him to much either. What should he try 69 gr Sierra's?
Thanks,
whelennut
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I like to do my hunting BEFORE I pull the trigger!
There is only one kind of dead, but there are many different kinds of wounded.
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#2110276 - 03/26/08 04:43 AM
Re: F CLASS question
[Re: whelennut]
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catnthehat
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Registered: 12/19/03
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69 grain Seirra will work, but I'm not sure about using an AR for Fclass, pretty hard to compete with our bolt guns with 30' barrels!
Cat
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#2110740 - 03/26/08 09:16 AM
Re: F CLASS question
[Re: catnthehat]
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GuyM
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Yeah - the 69 gr Sierras are a pretty good bet since I think you're right, that 1/9 twist is unlikely to shoot the 80 grainers. I've seen the .223's with 69's do well at 600 yards, in calm conditions.
I think he'll have fun shooting with his AR, and he can get a feel for F-class too. Maybe he'll re-barrel to a 1/7 and show us all how it's done with the mousegun - just like AR-15's have done so well in across-the-course competition.
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#2111043 - 03/26/08 10:45 AM
Re: F CLASS question
[Re: GuyM]
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catnthehat
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I'm sure with the right guy behind that AR things will go well, but if you have a fella of equal ability behind a dedicated
Fclass rifle, things will be different
However, it will still be fun!
Cat
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#2111685 - 03/26/08 03:40 PM
Re: F CLASS question
[Re: catnthehat]
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memilanuk
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You may have him try a Berger 70gr VLD, or a Hornady 75gr A-Max. There are some reports of the Hornady working out of 1-9" twist Savage factory 26" barrels and such; it's possible it would work out of his gun, and I'd think the wind bucking ability would be noticeably improved over the 69gr SMK. Under mild conditions and with the right driver, an AR-15 can be formidable @ 600yd. I'm thinking if you don't *tell* him how handicapped he is, he just might take ya to the cleaners 
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#2112190 - 03/26/08 06:59 PM
Re: F CLASS question
[Re: memilanuk]
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catnthehat
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You may have him try a Berger 70gr VLD, or a Hornady 75gr A-Max. There are some reports of the Hornady working out of 1-9" twist Savage factory 26" barrels and such; it's possible it would work out of his gun, and I'd think the wind bucking ability would be noticeably improved over the 69gr SMK. Under mild conditions and with the right driver, an AR-15 can be formidable @ 600yd. I'm thinking if you don't *tell* him how handicapped he is, he just might take ya to the cleaners
Danged Amax's are crap outta my 1:9 barrel!!
About a 3 shot , 14" group at 100 yards!!
69's work fine....
Cat
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#2112789 - 03/27/08 05:58 AM
Re: F CLASS question
[Re: whelennut]
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catnthehat
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He can turn that AR into a real long ranger for a little cash, seeing's how he's got ZIP invested into it!
I know nothing about them except for the fact that you can get all kinds of long range accuracy stuff for them...
P.S. edit WE WANT A RANGE REPORT!! ( grin)
Cat
Edited by catnthehat (03/27/08 05:58 AM)
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#2113056 - 03/27/08 08:13 AM
Re: F CLASS question
[Re: catnthehat]
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rost495
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Registered: 01/05/05
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Loc: La Grange, TX
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a new barrel in 6.5 or 7 twist and long would allow 90 jlk or wildcats.... They've been very good to me...
That being said for those that say it won't work, my buddy purposely barrels with 9 twist in 223 and 20 inch tubes and shoots 80 vlds all day long into knots, running em hard of course.
There are many much better bullets than the 69, I would not use that unless I had to. About 4 times the wind drift of a good 308/168-175.
Try 73 berger, 77 of many kinds including VLD- also 75ish. YOu can also try 80s as mentioned, single load, but run them hot. I don't see anything that says an 80 won't work, stab them into the lands 20th, run a warm load, IE RL15, N540 or TAC and get after it.
IF you shoot 600 in any kind of interesting wind at 600, do not get upset... And varmint grenades? I'd sure say that would be a waste of time, money, effort, bullets etc.... I think your guy has some learning to do. VLD all the way if you can.
Now that all of that has been said, my first thing to try with that setup would be a JLK 75 VLD or a berger 75 VLD(not as good) or a 75 wildcat.
Jeff
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#2113917 - 03/27/08 03:40 PM
Re: F CLASS question
[Re: rost495]
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catnthehat
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Funny thing is, the big bergers seeem to work okay for me, it's just thhe Amax bullets themselves that don't seem to wanna fly in my gun.
Rost, when you say "Wildcats" do you mean Alberta Wildcats?
Cat
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#2115342 - 03/28/08 09:32 AM
Re: F CLASS question
[Re: catnthehat]
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rost495
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Yes Alberta Wildcats..
Measure some of your amax 75s, get me an OAL of the bullet, I"ll bet you have the bad lot of them, the one that won't shoot moa or under. Those were longer than the good ones, I don't recall the length right now but I think I have it saved as 1.1 something and the good ones at 1.0 something.....
Jeff
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#2116540 - 03/28/08 05:58 PM
Re: F CLASS question
[Re: rost495]
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catnthehat
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Yes Alberta Wildcats..
Measure some of your amax 75s, get me an OAL of the bullet, I"ll bet you have the bad lot of them, the one that won't shoot moa or under. Those were longer than the good ones, I don't recall the length right now but I think I have it saved as 1.1 something and the good ones at 1.0 something.....
Jeff
COOL!!!
I know him very well and visit with him every now and then
I just got Richard to send me up 700 6mm flat bases - 75 grainers!
I use his bullets by the bucket full in 6.5 and 30.
I also used his 95's in my Fclass UNLTD gun, they were simply awesome.
I got the rifle with the AMax's, but realized later that the fella likely didn't use them much, instead he shot bergers.
I think these bullets will work....
Cat
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#2120119 - 03/30/08 02:50 PM
Re: F CLASS question
[Re: whelennut]
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catnthehat
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Wanna buy some 75 grain moly'd Amax's? CHEAP??( grin)
Cat
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#2122386 - 03/31/08 03:57 PM
Re: F CLASS question
[Re: catnthehat]
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whelennut
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Registered: 09/15/06
Posts: 1194
Loc: Minnesota
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Cat,
How much per 100, and how many do you have? PM please!
Thanks,
whelennut
_________________________
I like to do my hunting BEFORE I pull the trigger!
There is only one kind of dead, but there are many different kinds of wounded.
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#2122762 - 03/31/08 06:43 PM
Re: F CLASS question
[Re: whelennut]
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catnthehat
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Sorry Whelennut, they are already gi=onzo - that mystic over on CGN for that!!( grin)
Cat
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#2284289 - 06/30/08 09:06 AM
Re: F CLASS question
[Re: whelennut]
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whelennut
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Registered: 09/15/06
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Loc: Minnesota
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I went to the state championship match Saturday and was suprised to see the variety of equipment. I am used to service rifle matches.
6mm BR seemed to be popular with the boltgunners. If you cannot shoot a 200 with high x count you are in trouble at this match.
_________________________
I like to do my hunting BEFORE I pull the trigger!
There is only one kind of dead, but there are many different kinds of wounded.
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#2284313 - 06/30/08 09:22 AM
Re: F CLASS question
[Re: whelennut]
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EddyBo
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6BR is a great round for 600 shooting the 105s I have seen some great scores posted with it. I feel that a 6x47 with the 115s gives me a bit of an advantage over the 6BR, but then again I havent shot that many 200s. What were the conditions like? Sounds like some good shooting took place.
On the old targets 200s were like opinions, everyone had one, and Xs ruled the day. With the 1/2 MOA X ring and MOA 10 ring I do not see all that many 200s. Usually if I can manage a 198 with about a dozen Xs on my first string I am in the running.
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