Posted: 4/5/2011 8:27:06 AM EDT
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Hey CMMG... I'm very pleased with my dedicated upper and BHOA. Just one question though... in reference to these instructions, http://www.cmmginc.com/pdfs/BHOAinstructions.pdf...
"For the best function and durability use a file or hobby knife to make a 45 degree chamfer removing the material marked in RED" ... my feeble mind doesn't think the drawing makes the point. Do you have an actual pic showing the end result of the 45 degree chamfer you suggest? Thanks! 
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My picture won't work and I can't find it in the Archives. The back of the feed tower, where the rear tail of the BHOA follower pops up is what needs a 45 angle.
After several minutes of searching, look what I found! http://www.ar15.com/archive/topic.html?b=2&f=145&t=195535 Dave N |
For posterity. Credit to Heydaay for the photo:
shadowcop [Team Member]10/7/2010 9:27:35 PM EDT If you look at the new follower, the is a small 'tab" on the rear. It will hit the back, inside of the feed tower. where you see that tab at the back of the mag body is where the 45 cut will be. |