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Generally accepted clearance for a free-floated barrel?
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Hi Guys,

Is there a generally accepted clearance between a stock and a free-floated barrel? I have been doing some sanding on an aftermarket stock because the gap was quite tight on one side, which I think may have contributed to erratic groups.

Thanks for your help.
 
Posts: 25 | Registered: 17 August 2011Reply With Quote
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The old standard was a crisp dollar bill should be able to slide under the barrel from the foreend to the end of the chamber.


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Posts: 2278 | Location: Texas | Registered: 18 May 2004Reply With Quote
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Depends on what you want.
Fine wood hunting rifle. .005"
Target tactical .030" and up


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Posts: 2534 | Location: National City CA | Registered: 15 December 2008Reply With Quote
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Roll EyesHow bout .050". That seems about right. beerroger


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Posts: 10226 | Location: Temple City CA | Registered: 29 April 2003Reply With Quote
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Every gun is different and the amount is based on where and by how much the particular barrel moves when it heats up. You need to float the barrel until there is no contact between it and the forearm whether the barrel is hot or cold. You also need to take into account any potential movement of the forearm. The barrel must still be free floating regardless of where things move. Under adverse hunting conditions, a crisp dollar bill's worth ain't enough.

Initially, I like to float a barrel enough to where I can smack the forearm from any direction without detecting any contact with the barrel.


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Posts: 3171 | Location: SLC, Utah | Registered: 23 February 2007Reply With Quote
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Under adverse hunting conditions, a crisp dollar bill's worth ain't enough.

+1 tu2 I have no set guage but it is for sure more than a $ bill. More like 2-3 layers of masking tape


As usual just my $.02
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Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
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if a $1 bill isn't enough - would a $5 work OK Big Grin sofa
 
Posts: 13466 | Location: faribault mn | Registered: 16 November 2004Reply With Quote
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I use 2 layers of 10 mil pipe wrap tape for most rifles.


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Posts: 2949 | Location: Corrales, NM, USA | Registered: 07 February 2001Reply With Quote
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Originally posted by butchloc:
if a $1 bill isn't enough - would a $5 work OK Big Grin sofa


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Posts: 1992 | Location: WI | Registered: 28 September 2007Reply With Quote
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Wouldn't it depend even more on whether or not the action is bedded and what type of stock it is - plastic, wood, fiberglass, etc.????


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Posts: 1521 | Location: Just about anywhere in Texas | Registered: 26 January 2008Reply With Quote
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The stock for my wifes 243 ended up being .017. I think I used two layers of electrical tape wrapped around the barrel at the end of the forend and halfway between the forend tip and action. The action is bedded at the tang and under the front screw with the first inch of the barrel also bedded. It could be a little more, maybe .025 -.030 but not much more on this one. DW
 
Posts: 1016 | Location: Happy Valley, Utah | Registered: 13 October 2006Reply With Quote
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