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HBN coated bullets

Interesting read and not very long..like most military test papers.
It basically concludes that bullet coating are worthless in terms of reducing friction, in their tests. I'm not sure how a coating can fail to reduce friction, yet succeed at reducing fouling...but I'm very convinced that WS2 does just that. I just cleaned my match 30 Major that had about 375 rounds on it since it was last cleaned. Using Patch Out and Accelerator, there was absolutely ZERO blue on a patch and the bore scope confirms that it's clean. Granted, this is an ABC barrel ans is an exceptional barrel. I've done this for years and am convinced that it reduces fouling significantly.
 
dskogman said:
I'm not sure I agree with their assumption that lower friction produces higher velocity. Clean a barrel and the first shot is usually lower (lower friction = lower pressure = lower velocity).
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Doug,
After reading that paper I was shaking my head. That is a perfect example of government waste. It wouldn't bother me if I wasn't writing checks every quarter to enable those morons. But I do.

Joe
 
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Well, I just got off the phone ordering some from D. Tubb. I still have some questions on how to clean the barrel after it's been "seasoned" with the HBN.
 
blaster50 said:
Curious to see what experience people have had with HBN coating bullets. What are some of the benefits and drawbacks? What kind of application were you using it in?
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Please remember that IME the crux of the procedure of coating projectiles with HBN is temperature. In my procedure, I heat the ss bbs and the projectiles slowly in the oven to a point where you can touch them and hold them but just. Then I put the lot together and tumble them straight away. This info might save you time and effort. Any more info that I know that anyone needs, I'll be happy share with everyone.
 
fgregorio said:
Please remember that IME the crux of the procedure of coating projectiles with HBN is temperature. In my procedure, I heat the ss bbs and the projectiles slowly in the oven to a point where you can touch them and hold them but just. Then I put the lot together and tumble them straight away. This info might save you time and effort. Any more info that I know that anyone needs, I'll be happy share with everyone.
Click to expand...
There is an easier way. Just get an empty plastic coffee jar, put the HBN, bullets and BB's in the jar, screw the lid on, take a towel and some duct tape and wrap the towel around the jar and wrap the towel with a little duct tape, throw the SOB in a clothes dryer, set it on medium heat for about a hour. This way the bullets stay warm when they are getting impacted.
 
JimPag said:
There is an easier way. Just get an empty plastic coffee jar, put the HBN, bullets and BB's in the jar, screw the lid on, take a towel and some duct tape and wrap the towel around the jar and wrap the towel with a little duct tape, throw the SOB in a clothes dryer, set it on medium heat for about a hour. This way the bullets stay warm when they are getting impacted.
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This is the route I am looking into. I just wonder how much value the BB's really add? I got some 8oz oil sample bottles from work to do the coating in. I think I will coat some this morning
 
JimPag said:
There is an easier way. Just get an empty plastic coffee jar, put the HBN, bullets and BB's in the jar, screw the lid on, take a towel and some duct tape and wrap the towel around the jar and wrap the towel with a little duct tape, throw the SOB in a clothes dryer, set it on medium heat for about a hour. This way the bullets stay warm when they are getting impacted.
Click to expand...
I have done the same using the Tubbs' System jar and about 200 140's without BB's. I wrapped it in 'two turns' of 2" foam rubber, tied the ends with cord, and off into the dryer with several large towels at medium heat for 40-45min. If I fill the bottle nearly full with bullets no meplat damage will occur. Mine feel and look the same as Tubbs' HBN coated 115 DTACs that I purchased precoated.
 
JimPag said:
I beg to differ. I can pick up a cold tumbled bullet and one that was done in the dryer and I can feel the difference between the two.
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Other than the the warm feeling from the dryer tumbled bullets, what difference do you feel, Jim?
 
JRS said:
Other than the the warm feeling from the dryer tumbled bullets, what difference do you feel, Jim?
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The dryer impacted one feel more slippery in my fingers than the other method that I use to use. It's like describing how a B&A trigger feels vs a Jewell. Your finger can differentiate between the 2 just by feel.
 
Properly plated, (without heat) grasping a bullet plated with hBN is like picking up a watermelon seed from a wet floor:eek: It begins and ends in your mind.
 
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