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#1
05-11-2011, 07:05 PM
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Removing Rollmarks...
Here is a bit of an exclusive for COTEP and one of my other local sites... before I post this little how-to on some of the other sites...
A fairly common question... how do you take the roll marks off a slide. The answer... lots of time... Start with a granite surface block with good, quality sand paper (3M) of different grits. Here is the beginning of the slide, brand new Carbon Govt from Caspian...   Then, after a lot of time, and several sheets of 150 grit sand paper, progress begins to show... movement is forward and backward in a straight line...   Finally, almost all traces of the roll marks are removed with the 150...   After the 150, progress to the higher grits as high as you feel like going...   I progressed up to a well worn sheet of 1200 grit...    The work is simple, but it takes time, lots of it. Caspian roll marks are not very deep, but the above work is about 3 hours. Questions, comments, critiques and suggestions welcome. 
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#2
05-11-2011, 09:15 PM
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This needs to be stickied!
I don't have the guts to try that yet, but your post makes me think that maybe I can do it. Do you run the sandpaper in only one direction or both?
__________________
COTEP #447
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#3
05-11-2011, 10:53 PM
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Straight back and forth, trying to keep it in a straight line. You can see I have a little bit of arching, but it will be okay because this slide is destined for Cerakote.
BTW: For anybody who hasn't realized it yet, I am Butters on the other forum. I will take some better pictures later, the cell phone pictures really don't do it justice.  It IS easy, just take your time, change your paper a lot, and it is imperative that you have a granite block or some sort of certified-flat surface.
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#4
05-11-2011, 11:04 PM
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And I thought you were going to turn our to be a spammer.
 Boy was I wrong, Your account is now upgraded to a full COTEP member.
Last edited by BadOscar; 05-12-2011 at 12:16 AM.
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#5
05-11-2011, 11:41 PM
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great write up Butters. I did one with files, then sandpaper.....and I dont think it saved any more time than using all sandpaper lol. In fact, all paper on a flat surface will have more control than filing.
Before, then filed:  sanded:  My file and sanding surface:  
__________________
COTEP #0443 USMC #0311 "Do your duty in all things. You cannot do more, you should never wish to do less." ~Robert E Lee “The hottest places in hell are reserved for those who in times of great moral crises maintain their neutrality.” ~Dante Alighieri
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#6
05-12-2011, 12:10 AM
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WOW! That is amazing. I have a question, do you sand with the slide on stone or stone on slide?
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canis fidelis cave canem, vereor non magnus nocens lupus In hoc signo vinces If you can list them, you ain't got enough!!! Life Member NRA, SCI, ATA, NSCA COTEP 414
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