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Old 05-10-2009, 03:07 PM #1
gunangel
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Join Date: Mar 2005
Location: Washington
additional chopping resolutions

so like many of you, i have had chopping issues with my rpm.

after breaking the barb on my 3-way, it sat around in parts for a few weeks until i found the amazingness of jb weld . after putting it back together and checking for leaks i went ahead with additional testing. after 3 different hoppers and many different barrels i was still chopping during rapid fire.

so here's what i did.

first definitely go to warp8nt's page. i noticed many of my breaks were due to an insufficiently chamfered barrel.

next if you look down the feedneck, you will notice the bolt sits a bit back of the breech opening, allowing another ball to partially protrude. so i added another o-ring to the ram closing this distance, and just in case shaved the top portion of my bolt like how angel bolts are done.

pictures will be up later.

cliffnotes:
visit rpmowners.com
chamfer barrel
remove detent
add o-ring on ram
shave a little bit off the top of the bolt
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Old 05-18-2009, 08:48 AM #2
waarp8nt
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Join Date: Aug 2005
Location: F-N-Ham, Illinois
Nice work gunangel. I never thought about shaving the top of the bolt. You got any pics of what you've done so the noobs can get a visual on it?
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Old 05-26-2009, 12:50 AM #3
pbplayerman
 
 
Join Date: May 2009
Nice
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Old 12-08-2009, 01:14 AM #4
Bansh
 
 
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Join Date: Jul 2007
I never noticed this before? You removed your ball detent? Wouldn't balls just roll down the barrel if tip the marker forward?

Any pics of what you did?
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