ffgats Posted May 21, 2017 Share Posted May 21, 2017 Just installed an Odin Adjustable Gas Block to my 18" rifle lenght bbl ( 223 wylde 1: 8) , Also Reduced Power Buffer Spring and a Lighter buffer, full mass BCG was used since my ordered Low mass BCG is still in the mail.. .My ammos shoots differently than it use to be, for examble, before my 55 grs doesnt groups better than the 62 grs., now its the other way around.This happens when some gas restriction on the GB was applied. Is it maybe that the extra gas or pressure went to the bbl instead to the bolt. Link to comment Share on other sites More sharing options...
Chills1994 Posted May 21, 2017 Share Posted May 21, 2017 That would be my guess. This is where having a chrono would help. You could have an average velocity and SD before you made all those changes to compare against. Link to comment Share on other sites More sharing options...
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