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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/19/2008 at 09:42
Dale Clifford View Drop Down
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lots of differs on moly coated bullets-- so I thought I'd give it a test, group size changes with out cleaning using moly bullets and to add -- chromed lined barrel.
so 1000 rd test with 190 smk molys and a spr A4 chrome lined  barel. 300 wsm with 1/10 twist and loaded up to a hot 30-06 load with 58 grs. of H4350.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/19/2008 at 10:30
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 That will be an interesting test!
  I wouldn't be too surprised if it shoots the tightest groups after several hundred rounds have gone downrange.
 Keep the results posted!
 What barrel length, and what kind of groups is that combination currently able to produce?
 
 Edited to add:  Don't forget initial and occasional chronograph results, if you are able to do so!


Edited by RONK - April/19/2008 at 10:33
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/19/2008 at 10:37
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Dale,
I'm exited to see how your test works out.The guy thats teaching me gunsmithing lives by moly but he will only use it if the barrel is also molyed. He say that it dosen't change much if one or the other is done and not both.I don't know for sure ether way but what he say's make good since.
 
 
 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/19/2008 at 11:25
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 It makes sense to me from the standpoint that you do not want to foul the bore with copper and then deposit moly over that layer, sort of "sealing in" the copper against the bore. If the barrel were first "fouled" with moly, that would not happen, at least in theory.
 I don't really know if that is true or not, but have heard it hypothesised a few times.  
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/19/2008 at 11:39
Dale Clifford View Drop Down
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2750 is the ave. most of the differences in opinion vary around the back and forth use of moly vs. accuracy degenerations in copper. not to concerned with that one since, any results would simply add to one side or the other. primarily concerned with accuracy degeneration from carbon fouling as the other test would be switch back and forth and it would be difficult to determine the contribution by fouling. groups now show 5 shots touching which from prone, in high winds, is very acceptable and practical. what I'm really looking for is the unexplained flyers that should signal some type of land or groove stripping.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/20/2008 at 04:48
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some good reading on the subject:http://www.6mmbr.com/normamoly.html
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/20/2008 at 11:22
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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/20/2008 at 11:24
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did you buy those at gallensons?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/20/2008 at 13:11
Dale Clifford View Drop Down
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yes- I did got a deal -- on some loose packs also. thought it a good chance to try something llike this.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/20/2008 at 13:31
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i could tell by what was left of the price stickers
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/22/2008 at 20:47
Dale Clifford View Drop Down
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rifle originally was shooting 190 smk. bore was cleaned , no extra effort in cleaning and the following five shot groups were with 190 smk moly coated. Not really testing for group size here, but unusual events, like flyers stringing etc. conclusion, shooting moly in a chrome lined barrel is not affected by previous use of copper jacket.
after 100 rds. I will get somebody to chrongraph the loads
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/23/2008 at 04:41
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Dale,
Did you start at the top left?  If you go left to right top down,  It looks like moly may be better the more you shoot of it. This is going to be fun to watch. PLEASE keep us posted.
 
Thanks,
    Mike
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/23/2008 at 08:52
Dale Clifford View Drop Down
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yes the upper left was the first 5 after a clean. and yes it did appear that the groups "tightened up" a bit-- however I wasn' trying to shoot for groups.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/23/2008 at 08:56
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Dale,

Have you noticed anything different in cleaning after shooting the moly? I curious to see the FPS difference in moly vs nonmoly

 

 

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/17/2008 at 13:36
Dale Clifford View Drop Down
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end of 300 rds, 5 shot group no cleaning of anything. target #5 others were caused by scope problems.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/17/2008 at 13:40
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Dale,

Dose the boar still look clean to the eye? also have you had any trouble with the moly in your die's?

 

 

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/17/2008 at 15:48
Dale Clifford View Drop Down
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its a chrome lined boar (bore) and is still clean, no moly in dies yet.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/24/2008 at 12:25
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Dale, n e new updates on this test?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/24/2008 at 19:35
Dale Clifford View Drop Down
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coming up on 500 rds, had to switch scopes around due an IOR that pooped out.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/20/2008 at 17:19
Dale Clifford View Drop Down
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back on track-- looks like it might be opening up a bit, maybe a bullet width, take another look at 700 rds.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/21/2008 at 01:16
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700 rounds, well give us your impressions about moly over copper?

Edited by Steelbenz - August/21/2008 at 01:18
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/21/2008 at 07:31
Dale Clifford View Drop Down
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will be converting over to moly, or boron nitride with all new guns, regardless of type of barrel ie, chrome-lined, moly, stainless. Lyman makes a do at home kit for about $100.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/21/2008 at 18:27
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Dale, sounds like your getting positive results from the moly coated bullits. Did your groups change over the course of the test, and how? Have you tried any none coated bullits in the same rifle and compared group size?
Great test idea.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/21/2008 at 19:17
Dale Clifford View Drop Down
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test is not cleaning the bore-- not especially what type of bullets-- copper in no way would go this long. and still retain this type of accuracy. If the accuracy stays at this level no copper will ever see the gun.

personally I expected the groups to follow a normal pattern, clean the moly out and forget the whole thing.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/21/2008 at 19:28
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I was just wondering if there was any accuracy difference between moly and copper at the end of your test for compaison and control, that's all. I understand if you don't want to shoot copper.
Very interesting test.
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