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  #1  
Old 01-18-2021, 12:26 AM
308encore

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shortening an anschutz 54 barrel



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building a new metalic sillohuette unlimted pistol ( i am in australia). the one i am using now is built on a 64 target rifle, barrel cut to 14 7/8`` shoots very well consistantly shooting 35/36 have shot 40 in practise.
decided that a 54 would be better ,especially the trigger. now after reading that the 54 barrel is choked and cutting it would ruin it. i thought well i will give it a go any way ,if it dosn`t shoot i will just rebarrel it with a custom barrel. turns out it shoots pretty good. i am not great at bench rest ,have only just bought the 36x leupold so i am a bit shaky with it. not used to the big magnification. any way some pics . the ugly gun is the 64 i built. the 1st target is @50m 15shots, eley sport. fairly windy at the range. 2ns target is 100m
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  #2  
Old 01-18-2021, 12:43 AM
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Did you slug it before you cut it to ensure the new muzzle is at a tight spot in the bore?
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Old 01-18-2021, 01:10 AM
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no just cut it and turned it back to 14 7/8``-that is the legal match rules length. used a mates lathe. was deburred with hand deburring tool.use what you got. will get gunsmith to do a 17 degree target crown when it goes to him to convert from rifle to pistol . we are allowed to do this in australia ,just have to get relevant paper work done
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Old 01-18-2021, 10:16 AM
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I have a shortened 54 that shoots well, it was shortened about nine inches. Have taken it to the test tunnel in Arizona and it has a few 10 shot groups at 100mtrs at 1" outside to outside, the interesting thing is that all 50mtr groups were bigger than 1/2". We are not allowed to convert rifle to pistol here.

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Old 01-18-2021, 11:10 AM
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308encore,
Your experience further confirms my own. I have slugged quite a few Anschutz barrels, and they all had a distinctive choke about 1 1/2" to 2 1/2" long at the muzzle. None had any tight spots leading up to that choked area, at least none I could detect, but the bores were all very smooth breech to muzzle. The one Anschutz that I did lop off shot about as well as yours, with no demonstrable degradation in accuracy. I have also cut off the muzzle on a number of other barrels that had either a distinct choke, like the Anschutz, or a gradual tapering of the bore ID, like the vintage Winchester 52 barrels, with similar results.

Additionally, I've machined, or had machined, 4 or 5 barrels to a tapered octagon shape, barrels that also had some kind of taper in the bore before machining (BSA International, a Remington 37, etc). Slugging the barrels after being taper-octagoned always revealed an gradual opening of the bore toward the muzzle, causing some alarm on my part. Still, the 37 and Int'l continued to shoot as well, even after the bore had opened up. I can't say I did exhausting testing, but they continued to shoot well under 1/2" at 50 yards for 5-shot groups. I did notice that the rifles continued to shoot their favorite loads about the same, but it seemed the lopped off or tapered barrels may not have shot as well with as many loads.

I am of the opinion that a good, smooth barrel with no choke can shoot just as well as one with a choke, but having a choke, or bore tapering toward the muzzle, probably gives a manufacturer a statistically better chance of more barrels being very accurate. Having tighter and looser spots along the length of a bore is definitely not a good thing for accuracy.

Keep in mind, though, that I am interested primarily in very accurate sporters, not BR rifles, and I think I would opt for a choke, if I were looking for the absolute in accuracy, which would also require wind flags, BR actions, barrel tuners, and firing only selected lots of the very best ammunition available to realize...an endeavor in which I have no interest.

FWIW

TBR
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Old 01-18-2021, 12:19 PM
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I like that blue stock, like it A LOT.
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Old 01-18-2021, 12:34 PM
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I like that blue stock, like it A LOT.
Looks like a 1960s 1411 Prone stock that's been painted blue.
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Old 01-18-2021, 02:13 PM
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yes it does look alright the blue stock. will sell it off once it is in the pistol chassis/stock. when i bought it it came with original anschutz sights plus a set of 20 click anschutz sights which i have already sold . would have liked to have used them but too heavy so will be using gehmann rear sight ,very light and 20 click. also had a walther 20 click sight . selling the sights and stock off helps bring the cost of it down. it is ugly but built for a purpose. will have to get the barrel fluted to get it down to legal weight which is 2040 g. i shoot it prone on my wrist so having the weight forward helps it sit well .
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Old 01-18-2021, 08:21 PM
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I just had an Anschutz 54 knocked bak to 16". It was cut off at the chamber end, and re-tenoned and chambered. Haven't had a chance to get it to the range yet, but I know how it was shooting before, and I have zero worries.

The shorter barrel in a McMillan Anschutz silhouette stock, make it so nicely balanced.

Gonna do one more, I think, in maybe 17 HM2.
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Old 01-18-2021, 11:42 PM
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Looks like a 1960s 1411 Prone stock that's been painted blue.
Hmm...
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Old 06-11-2021, 06:05 PM
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well since i lasted posted about barrel shortening . i went to the australian met sil titles with my 64 as the 54 wasnt finished so went with what i knew.shot a 39, ended up 2nd after a shoot off .pretty happy with that.
have since started back on the 54. had to get the barrel turned down so it would meet weigh limit. i didnt know if this would wreck the barrel but my intention was always to rebarrel if it didnt work. yep ugly gun mk11 .target is 100m off a rest with walther 20click aperture sights. i reckon could do better with a scope fitted. once i had the sights dialed in gave it a run on the met sil range 38,so it does shoot
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  #12  
Old 06-11-2021, 07:05 PM
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Boy I get reusing a target, but someday when you shoot a fresh one post that up.
This one looks like a 6 shot.

I only have a passing interest in this because it's a bit unique and it appears you have done some nice work.
Carry on.

Smooth

Last edited by Smoothtrigger; 06-11-2021 at 07:07 PM.
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Old 06-11-2021, 07:31 PM
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yes there is 6 shots,that was all that was left in the box,was going thru part used boxes to see what shot well. didnt bother taking a pic of the cci standard ,it wasnt great .ok at 50 m but really blew out at 100m the one that really surprised me was the hv -the one marked cci stingers ,made a mistake was cci mini mags
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