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Barrel vise for field?


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7 replies to this topic

#1 cprstn54

cprstn54

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Posted May 16 2017 - 10:23 AM

When I tried to put a muzzle brake on my new T/C Compass 300WM I found it took serious torque to crush the "crush washer" - even a little bit.

 

I could put the barrel in a vise with appropriate hardwood cheeks, but I would like to be able to undo this on the road or in the field. In the meanwhile, I just used hi-temp, medium-strength thread locker and it works OK.

 

Is there anything that will hold the barrel, other than the large clunky barrel vises I see at Midway, etc.?

 

Vise grips would be nice, if they could be covered so they didn't mess up the barrel.

 

Also, is there a type of crush washer that compresses with less force? I have seen in forums that you need 40 lb-ft to compress one. Seems like way too much.

 

Ken C



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#2 Mad Russian

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Posted May 16 2017 - 12:10 PM

Drill and tap the brake with a 6-32 or an 8-32 tap (larger is easier to tap), use a set screw to hold the brake. Make sure you dimple the threads with the drill bit where the set screw contacts the barrel (it will prevent the set screw from crushing the threads making removal hard) and chase the threads with the brake.
From then on all you need is a Allen key to remove the brake.
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#3 Yaphank Kid

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Posted May 17 2017 - 07:14 PM

You could use a strap wrench
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#4 cprstn54

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Posted May 18 2017 - 07:18 AM

I do have a strap wrench left over from my boating days when I had to immobilize the drive shaft. Handle is almost 2' long, tho.

 

Drilling and tapping for me means a trip to a machine shop because I don't have a jig that would let me drill perpendicular to the barrel.

 

I am thinking I will try a panel nut as a jam nut. I have an adjustable wrench with thin jaws that might do the job. I can paint it flat black. If the jaws are too wide, they make ultra-thin spanner sets.

 

Ken C



#5 Parashooter

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Posted May 18 2017 - 07:33 AM

When I tried to put a muzzle brake on my new T/C Compass 300WM I found it took serious torque to crush the "crush washer" - even a little bit.

 

I could put the barrel in a vise with appropriate hardwood cheeks, but I would like to be able to undo this on the road or in the field. In the meanwhile, I just used hi-temp, medium-strength thread locker and it works OK.

 

Is there anything that will hold the barrel, other than the large clunky barrel vises I see at Midway, etc.?

 

Vise grips would be nice, if they could be covered so they didn't mess up the barrel.

 

Also, is there a type of crush washer that compresses with less force? I have seen in forums that you need 40 lb-ft to compress one. Seems like way too much.

 

Ken C

 

40 lb-ft isn't all that much in the world of tightening things...  but with a fine pitch thread that is a LOT of "crush" power


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#6 Mad Russian

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Posted May 18 2017 - 07:43 AM

Don't need a machine shop. You need a vise, a drill and tapping handle. The hole also doesn't need to be within 1/100 of an inch of perpendicular to the barrel, all its doing is preventing the brake from turning and that doesn't require a lot of torque.
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#7 Parashooter

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Posted May 18 2017 - 09:48 AM

Meant to post this earlier.... But a barrel WRENCH will do the job of a barrel VISE "in the field"  to hold the barrel while you turn the brake.

 

a 2 foot bar/handle with barrel blocks - maybe even a clamp to attach it to the bench, and now it's a barrel "vise".

 

 

Why would you want to be doing this 'in the field' anyway?



#8 cprstn54

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Posted May 18 2017 - 10:16 AM

Meant to post this earlier.... But a barrel WRENCH will do the job of a barrel VISE "in the field"  to hold the barrel while you turn the brake.

 

a 2 foot bar/handle with barrel blocks - maybe even a clamp to attach it to the bench, and now it's a barrel "vise".

 

 

Why would you want to be doing this 'in the field' anyway?

 

----------

 

1-Kindly provide a URL showing the kind of barrel wrench you mean.

 

2-Change it for a flash hider? Or just put the thread protector back on. Also, what started me on this quest was that I learned that some ranges won't let you use them because it annoys the shooters to your sides.

 

Ken C

 

 

 






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