Yep.

Unless you have a 1" straight barrel chances are you'll see your point of impact move a bit. Even the white camo tape will make a difference on more normal barrels. Strangely enough. But it does on the NM149S' here, at least.

 

Aight thanks. I don't want to mess up barrel harmonics. Putting it on loosly should have a less effect?

Oh and how much of that tape did you have to use?

 

Even that will most likely make a difference. It depends on the weight of the burlap/tape, I guess, combined with what kind of profile your barrel has. I'm not an expert, far from it, but it's the only sensible solution I can think of, at least.

But if you attach some, and sight in the rifle with it, you shouldn't have any trouble until you remove it - and then it should go back to its original point of impact. In theory.

 

Makes sense

Would you think putting grass on the barrel would do anything?

 

i do find that some barrels you can shift the point of impact rather easily aspecially sporter type but im not so sure grass is gonna do much to the point of impact anything more just might

 

I personally thought it didnt matter as long as you didnt wrap the burlap around the stock and barrel messing up the free floating barrel

 

Jeff, so grass and vegitation would be the best bet?

Meme, from what I read where ever you put burlap/jute on the barrel it will ulter it.

 

Putting vegitation and or burlap on a rifle barrel will not affect the harmonics to the degree most people think. On my bench guns I have this: http://www.riflebarrels.com/products/mirage_shield.htm

I think my 6mmbr is a little more accurate than most tac rifles. But most of that is shooter anyway

I would start with olive paint for the barrel. The reason being, Burlap and jute, if pre-applied to a weapon that is carried on the top ruck will catch all kinds of unwanted brush and trees, etc. Sometimes ripping the camo off completely.

Who cares if the paint flakes? Your barrel is flat black anyway.

Another option is to attach velcro points in 4-5 places on the barrel, and have your burlap strips in a ziploc bag which have the other mate end for the velcro already on. When it is time to get down and serious, attach your strips.

 

Well...duh.. You will change the harmonics. Which will in turn change the POI. But usually it'll stay there and not move around. That's perfectly fine. It's like adding a suppressor. The harmonics are changed and the rounds go (on 9 out of 10 rifles) somewhere else. But again, not a problem as you just have to log it the first times...

Besides, your BR rifles has a heavier barrel than most sniper rifles, and hunting rifles..so of course the difference will be much less on it than a scrawny hunting rifle.

 

very informative.

Gab, that velcro idea seems nice

 

Besides, your BR rifles has a heavier barrel than most sniper rifles, and hunting rifles..so of course the difference will be much less on it than a scrawny hunting rifle.

Depends on the Benchrest class actually. My heavy Varmit classed rifle weight in at exactly 13lbs. 7oz. which is barely under the limit. It uses a Rem 700 action, Shilen barrel, Edge Stock, 36x40 scope.

An SC1 in #8 contour is 11lbs, less optics.

Of course, the HTG stock doesnt weight 22 oz! :lol:

POI should be negligable, remember, your talking about disentegrating someones chest cavity, not shooting thier ear off.

 

Actually, I raised this issue with Nekekami way back in the day. According to the SOTIC book, it's best that you avoid ANY contact with your barrel. Nek, though, said that his groups were unchanged by the wrapping of his barrel. I think it really depends upon;

A) How tight you wrap your barrel
B) The weight of the barrel
C) The caliber of round you are putting out

All barrels on guns are designed to compensate for the fact that the barrel vibrates and "whips around" when the round is fired. So, if your barrel is completely incapable of being moved when it fires, the round will not travel as expected down the barrel. In the case of the WA 2000, it's had it's barrel clamped on both ends, eliminating barrel whip, and any small change in the loads that might change the barrel whip. It's not too common a change, because, well, it's expensive, bulky, and makes a weapon heavier. Would you really want an extra 2-4 pounds stacked ontop of your generic custom bolt action?

 

Under B) I think you might put "steel quality", too. Two barrels of identical size and shape doesn't necessarily behave the same way when put under tension.

I think there's one way of finding out how jc71's barrel will behave - and that's to get jc71 to add something to HIS barrel

 

*Deleted*

 

At school this week both the SF and Marine snipers teaching the class said to put burlap on the barrel. They shot with and without to show us it would not change the POI. The way that it was installed was with Rubber bands loosely applied around the barrel, and the burlap tucked into the bands.

 

Aight sense its Sunday a very good day to shoot, went out to my buds place and shot his .308 (we "share" it but buy our own ammo) and where I shoot (prone in some grassy area) I put about 10 rounds down range. Before I went out I put burlap on the barrel the same way I do with my air rifles. And that way I put it on was just as mlammers said (I came on here after I shot, coinsidence?) and to break up the outline I put frayed strips under the rubber bands and I went out shooting. As for the POI I saw NO change . So then I wrapped some more burlap on it and long behold the POI changed.

Case solved heh :-D

 

For your part, yes

Btw, just remembered, since mlammers mentioned SF and USMC snipers - Major Plaster is one man who advices people to check their zero BEFORE taking critical shots after adding burlap and such to the barrel....

 

Well, suppose I can chime in.

Putting anything on the barrel will change the harmonics... NOW, that being said, putting something very light (like burlap) around a heavy barrel does not normally affect it enough to change POI. Now, if you wrap burlap tight around the barrel and then the stock, it will probably effect it more. lightly wrapped burlap (or white cheese cloth for winter) normally has no effect... of course, check it on your particular rifle to be sure

MEL

 

Now I'd assume that tape would definetly effect the harmonics

 

ok jc... we just answered this question - only a different "what if". do some testing yourself, some rigs operate different than other rigs. there is no such thing as one "set answer" in shooting.... 2+2 doesn't aways equal 4 with precision shooting.... you might equal 5, so tape it up and find out - just make sure you let us know, ok? have fun doing the "trial and error"

 

I sometimes camo my rifles when I practice with my ghillie suit. Mel has a good write up on burlap strips for the rifle. For my .308 Remington Police and my .22's I have cut strips of burlap about 1-1/2" wide and different lengths. I then take military issue nylon cord and cut pieces about 4"-6" long and sew them to both ends of the burlap (for tie points). I have one piece that wraps around the barrel only to the front portion of the stock. I wrap the nylon cord around the barrel and tie it off. Now for the stock, barrel and scope, I remove the bipod and loosely wrap the next burlap strip around just a few inches of the front portion of the stock. I wrap it in such a way that the bipod swivel sticks between the gap in my wrap, so I can reattach the bipod. When I get close to the scope I wrap around the scope and the stock (not the barrel). I have not noticed any significant changes in POI, but it will happen if you wrap tightly around the barrel and stock. I hope this makes sense. If you would like I could post some pictures of how I do this.

Tom

 

Interesting post and replies, never thought it make much difference.

Little humor, noticed Tom Berenger always wrapped his sniper rifle, in his Marine sniper flicks. :lol:

Jim