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will a 338 brake work on 375

 
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  #1  
Old 09-15-2010, 11:19 AM
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will a 338 brake work on 375

wanting to get a 375 but the brake i want is only listed as 338 with 5/8x18 threads would it still work or would there not be clearance for the bullets
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Old 09-15-2010, 11:25 AM
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Re: will a 338 brake work on 375

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Originally Posted by 460or338 View Post
wanting to get a 375 but the brake i want is only listed as 338 with 5/8x18 threads would it still work or would there not be clearance for the bullets
I can't immagin that a properly fitted break would have enough clearance. I use my 30 cal break on my 28 and 26 cal....but would NEVER attempt to go up!!!
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Old 09-15-2010, 11:53 AM
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Re: will a 338 brake work on 375

its hard for me to find a brake i like . i dont like the baffle style and a simple cylindracul doesnt do it for me . i kinda like the browning boss . but ...

i guess i could have someone copy the surfire design and make a 375 version or ask sure fire if they could .most round brakes ive seen dont have a crown just round end and look cheap i like the end to be target crown or just very flat like the accu-brakes but instead of 2" i would want a 3" . ive seen the vais brake but i think it's ugly to .i will keep looking
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Old 09-15-2010, 12:13 PM
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Re: will a 338 brake work on 375

IIRC, muzzle brake ID must be ~.020 over bore of the desired caliber.

Good luck!

Ed
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Old 09-15-2010, 06:34 PM
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Re: will a 338 brake work on 375

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Originally Posted by FEENIX View Post
IIRC, muzzle brake ID must be ~.020 over bore of the desired caliber.

Good luck!

Ed
+1

I recomend .395 to .400 Diameter bore in the muzzle break for the .375.

J E CUSTOM
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  #6  
Old 09-15-2010, 07:07 PM
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Re: will a 338 brake work on 375

Just bought a JP for my .338. It comes in .308 cal and they say to drill it to 0.040" over caliber. Right now it's 0.350 from the seller. I may try a round or two as-is after checking concentricity.
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  #7  
Old 09-15-2010, 10:00 PM
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Re: will a 338 brake work on 375

Kirby Allen (APS) recommends ...

7. Ream the bore of the brake to 20 to 30 thou over the diameter of the caliber you are using. For example, if your rifle is a 7mm Allen Magnum, the bore through the brake needs to be 0.304 to 0.314 for proper clearance to the bullet. Because of minor variations in the bore axis to the OD of the brake, it may be needed to take a very light boring cut on the first partition to true up the bore hole for reaming. Once this is done, using a quality reamer will cut a true and round bore through all the partition walls. Always ream the brake from front to the back.


APS Medium 3 port Painkiller muzzle brake installation instructions | Facebook
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