Project: Project: Civilian Marksmanship Competition Rifle Build Day 4(Continued)
Upper receiver build. After getting my Criterion barrel back from Cerakoting I decided that this would be a good time to polish the feed ramp and smooth things out for better performance.
User a Dremel and some polishing compound with the cone-shaped buffing attachment this process is fairly simple. The goal is to get rid of the machining and smoothing things to polish. Do not try to change angles we are just trying to remove rough spots.
Note: It's a good idea to plug the chamber with a cleaning patch or paper towel. to limit chances of compound going down the barrel. Also, after completely clean the barrel and chamber thoroughly.
I used the white and green compound start with the green then finished with the white compound. I bought these giant bars from a truck stop.
Polishing the ramps is very simple, you just need to take your time.
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