SKS wimmpy barrel

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jbunny

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u can use the sling for caryying your sks, but not as a
shooting sling. it pulls the barrel down and left for a right hand shooter. i installed a lyman receiver sight on the back dust cover, after i took the play out of the dust cover.
i also made a front peep with cross hairs and and it was shooting so so. the cross bolt in the stock under the barrel was putting some down tention on the barrel so i filed the flat on the cross bolt
so there was no more pressure on the barrel. it whent
from center of bull to off the paper at 50 yds. with my back sight all the way down (with grinding the dust cover)
i'm barely on the paper at 50 yds. i,m wondering if these
whimmpy barrels are meant to have some loading on them instead of floating?????????? oh i installed a laser
sight in the stock , shinning out through the cleaning rod hole. that works ok.
laser man
 
Umm, welcome :rolleyes:

It's my opinion that SKS's do benefit from pressure bedding. I'm in the process of doing some pressure bedding on one of my SKS's, we'll see how it goes. If you're not particularly attached to the original stock, you could try dropping the action into a Butler Creek monte carlo or other synthetic stock. The better barrel/action fit in synthetic stocks frequently improves accuracy right away.

I highly doubt your sling hold has any effect on accuracy. You're not strong enough to bend the barrel with your sling hold, no matter how tight you make it. Barrel harmonics aren't a major factor with SKS's anyway, since there's so many other heavy metal parts flying around that it makes it impossible to narrow down accuracy problems to just one factor. If you can tell me beyond any doubt (with proof!!) that wonky barrel harmonics are what make SKS's inaccurate, I'll eat my own ass.

I had no idea that Lyman made reciever sights for SKS's, I checked their website and couldn't find anything. Do you have a link, or any pics?
 
poweredbybeer said:
Umm, welcome :rolleyes:



I highly doubt your sling hold has any effect on accuracy. You're not strong enough to bend the barrel with your sling hold, no matter how tight you make it. Barrel harmonics aren't a major factor with SKS's anyway, since there's so many other heavy metal parts flying around that it makes it impossible to narrow down accuracy problems to just one factor. If you can tell me beyond any doubt (with proof!!) that wonky barrel harmonics are what make SKS's inaccurate, I'll eat my own ass.
Click to expand...

Slinging up tight with any rifle absolutely has an effect on POI......
 
i have some pics but i don't know how to post them.
try shooting 5 rds of a sand bag then 5 rds with a sling
and start eating your ass as you said (very very big grin)
page #328 BROWNELLS LYMAN receiver sight. i used a
mousser sight as i allready one. whith the dark cloud
looming about banning semi autos , i'ma seriously
considering taking the gas piston guts of and making it
a manual repeater. that would solve my rear sight problem as i could cut down deeper in the rear dust cover
and i could then lower my back sight.
Laser Man
 
I seriously doubt that your sling is affecting your barrel.

Also without seeing your grip position, elbow height...ie your posture, and form while you shoot one cannot truly say it is the rifle.
 
Hitzy said:
Slinging up tight with any rifle absolutely has an effect on POI......
Click to expand...
Of course it does, but not from bending the barrel. I may have misinterpreted jbunny's initial post, but it sounded like he was saying a tight sling hold bends the barrel down and to the left (if you're a right handed shooter), which just isn't true. It may pull the whole rifle, but the barrel sure as hell isn't bending. My apologies if I interpreted jbunny's words incorrectly :redface:

I may eat my own ass anyway, since so many people are interested in seeing it :runaway:

jbunny said:
page #328 BROWNELLS LYMAN receiver sight. i used a
mousser sight as i allready one.
Click to expand...
That explains it, I couldn't find a reciever site that was designed specifically for the SKS, and it never occurred to me to use a Mauser one. How did you attach it? Are those the pics you're talking about? If you want, I can host them for you. Just email me the pics and I'll stick them in my photobucket account. PM sent w/my email addy :cool:
 
i was assuming it was bending the barrel. i know for fact
that when i filed the cross bolt down a tad to elininate
the down pressure on the barrel, i was shooting right of
the paper at 50 yds. FWIW to take the cross bolt out,
DO NOT TURN THE BOLT WITH A SCREWDRIVER. the bolt head is pined so that it don't turn. i used a pair of snap
ring pliers to turn the nut out. Brownells has a lyman
receiver sight specificly for the SKS. you will have to modify the mousser one . you have to make sure to mount
it so the vertical part of the sight is vertical or your windage will be afected when you change your ellevation
settings. will take some more pics and send them direct
to poweredbybeer. i'ma bussy cutting and welding on
this thing. BTW this is not my gun, i borrowed it from a
friend. hehehehehehe
Laser eyes
 
Yikes what a nightmare. :runaway:

Have you actually sandbagged the rifle on a bench first and seen what It's accuracy really is, before you began filing parts off?
 
poweredbybeer said:
Of course it does, but not from bending the barrel. I may have misinterpreted jbunny's initial post, but it sounded like he was saying a tight sling hold bends the barrel down and to the left (if you're a right handed shooter), which just isn't true. It may pull the whole rifle, but the barrel sure as hell isn't bending. My apologies if I interpreted jbunny's words incorrectly :redface:

I may eat my own ass anyway, since so many people are interested in seeing it :runaway:


That explains it, I couldn't find a reciever site that was designed specifically for the SKS, and it never occurred to me to use a Mauser one. How did you attach it? Are those the pics you're talking about? If you want, I can host them for you. Just email me the pics and I'll stick them in my photobucket account. PM sent w/my email addy :cool:
Click to expand...


I was assuming he meant the barrel action was moving in the flimsy stock when sling pressure applied....BUT:
i was assuming it was bending the barrel. i know for fact
that when i filed the cross bolt down a tad to elininate
the down pressure on the barrel, i was shooting right of
the paper at 50 yds.
Click to expand...
yeah, not likely bending the barrel with sling pressure.
 
now that i know that there are pinned barrels and screw
on barrels got me thinking. with a receiver sight on the
back dust cover and with a pinned barrel , even miniscule
movement and berrel flexing and or a cobination of both,
would realy change POI. it would be interesting to try the
pinned versus the screwwed in barrels sling test
Laser man
 
Ah ha...it is not the barrel, it is your receiver mount.

I have yet to see a receiver cover that does not move, and neither have many hundreds if not thousands of SKS shooters in the USA...they all move. The bolt body is slamming into them like a hammer...they will move.

The Strongest, and IMHO best way to mount a scope to these rifles is an original Russian AK/SKS receiver side mount...
h ttp://www.kalinkaoptics.com/SearchResult.aspx?CategoryID=39

Also Your barrel will move while launching a bullet...all barrels do, but the important part is that they are allowed to flex / wobble the same way each time. If it was a threading issue, your barrel would have already launched itself out of the receiver, and you would have had a nasty slam fire, and or fire out of battery.

There is nothing wrong with a pinned press-fit SKS barrel if it was done properly.
 
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Here are the pics jbunny was talking about, I've hosted them from my photobucket account so the links should be good indefinetely ;)
100_0139.jpg

100_0141.jpg

100_0142.jpg

100_0146.jpg

100_0147.jpg

100_0148.jpg
 
yes that is a laser sight built in, the batteries are under the butt plate in the cleanning kit hole. 5 rapid fire
at 25 meters 4 inch group. that was before i cut the gas
port off and plug the hole. it's now a bolt action repeater.
the dust cover has bin cutom fitted and is tight. welded
on both ends and diamond filed for a tap in fit. it shoots ok
from the sand bag and not the sling. i have since extnded
the bolt handle as the cases would pound your finger knukle when ejcting.
 
Interesting sks you have there! Certainly grabbed my attention.

Where the heck did you get that front site?
 
Hi Ceska that front sight started out as a grade 5
5/8 bolt. the cross hairs from the smallest guitar string
.012 thou. BROWNELLS has a screw in post with
cross hairs and they also have receiver sight that replaces
the sks sight , no gunsmithing required. the front sight
is $28 and the rear sight $26 yamkee $$$$
Laser man
 
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