Brown Precision, Inc., Manufacturers of Custom and High Performance Rifles.

CUSTOM MACHINE WORK
from Brown Precision's Craftsmen 


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Brown Precision, Inc.
7786 Molinos Ave.
PO Box 270 W.
Los Molinos, CA 96055
(530) 384-2506
(530) 384-1638  fax
email Brown
 
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Website ©2002-2007 by
Brown Precision Inc.
updated 17 Sep 2008

design & marketing by
Saccomano Associates
 

Custom Machine Work
» Barrels
» What Type of Barrel
» What We Do to the Barrel
» Installing the Barrel
»
Custom Crown
 

 
We can handle just about any service request ...

     With some of the top machinists in the country, we're very proud of the precision metal work performed in our custom shop.  We can handle just about any service request a customer might have on custom rifles as well as customer's own factory guns; just ask!

Barrels

     Let’s face it, the single most important part on a rifle is the barrel. Sure the factories do a pretty good job cranking out a barrel, especially when you consider they are doing it by the cheapest means possible. When putting together a long range super accurate rifle, the barrel is the last place to try to save a buck. We feel there are a small handful of top notch barrel makers in the United States. These are the only barrels we will even consider putting on your rifle.
     Every barrel maker has what we consider their “niche”, the type of barrel they do best. Whether it be benchrest, varmint, medium caliber sporters, or big bores. Rather then locking ourselves into any one barrel maker, we would rather use the best barrel for the job. As a result, we might recommend one barrel maker for your Pro-Varminter, another for your Custom High Country, and yet another for you Pro-Hunter Elite.

What Type of Barrel?

     Obviously we want to use the best barrel we can get, but what type of barrel? Stainless Steel! When replacing a barrel on just about any rifle, the advantages of stainless definitely outweigh those of chromoly. First, stainless will not pit inside the bore from moisture. This is a common problem with factory (chromoly) barrels because the bore is totally unprotected. When pitting occurs the roughness can cause severe accuracy problems. Second, stainless will tend to be more accurate then chromoly. Lastly, the accuracy life of a stainless barrel will be about 30% longer then chromoly.

What We Do To The Barrel

     Because we only use top notch barrels, all of them will be hand lapped, air gaged, and stress relieved before we get them. However, we don’t just take it for granted that the barrel we get will meet our demanding standards. First, we visually inspect the bore. Using a 10X borescope, we inspect every inch of the bore, checking for any imperfections that may have slipped through the barrel makers inspectors. Next, we check the barrel for diameter consistency, after all, consistence means accuracy.

Installing the Barrel

     This is where it all happens. What makes or breaks an accurate rifle is how the barrel is installed. This is also a place where we see a lot of corners cut. But if you cut a corner here, it will come back to bite you.
     First, we work with the action. Squaring and trueing the action is not rocket science, but it is certainly an art, and our artisans can do it better then anyone. Because of techniques we have developed through the years, we are way ahead of the competition. Because of this, we will not let all of our secrets out of the bag, but suffice it to say when we get done everything about that action will be square. From the recoil lug and action face, threads, bolt face, locking lugs, even the bolt body, everything is lined up precisely. When trueing the action we work to “benchrest” standards, and remember, we wrote those standards years ago! 
     Second, we head back to the barrel. Again, using top machining practices and the finest tooling money can buy, we cut, thread and chamber the barrel to ensure everything is running off the true center of the barrel. Our chambers are what is commonly referred to as a “close tolerance” chamber. What this means is that your rifle will still chamber and shoot factory ammo, with no special case preparation required. However, when handloading, benchrest techniques for case preparation can still be used.

Custom Crown - A very important factor in a good shooting rifle.  Click on picture for larger view.Custom Crown

     Once the barrel is installed and all dimensions meet our extremely high standards, we cut the crown. Again, this is an easy place to save a little time and cut a few corners. Just remember one thing, the crown is the last thing a bullet touches before it leaves the barrel. It is very important that the bullet makes a clean break when leaving the barrel, this is why we developed the 90 degree crown. After extensive testing we found this is the only design that gives us a 100% clean break every time. Our crown is recessed to protect it from damage should the rifle ever get dropped on the muzzle end. The real secret to a good crown is to lightly lap the sharp end of the muzzle to eliminate any possible burrs which could cause the bullet to deflect at the last moment before leaving the bore.


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Important Notice:  Specifications, prices and availability are accurate to the best of our knowledge, but subject to change without notice.  Prices shown are in US dollars and do not include shipping, applicable sales tax or customer requested options.

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