Jay91 Posted August 4, 2017 Share Posted August 4, 2017 so im having my first attempt at flat hopping my bucking and was wondering how smooth do i need the old patch and groove to be? ive cut them down pretty close but wanted to double check before i try and sand it smooth if its neccesary seeing as i will be turning the bucking 90 degrees thanks Link to comment Share on other sites More sharing options...
Hangtight Posted August 4, 2017 Share Posted August 4, 2017 The flatter the better, otherwise you may run into problems getting the barrel and rubber into the hop up, and potentially air seal issues too. Link to comment Share on other sites More sharing options...
Jay91 Posted August 6, 2017 Author Share Posted August 6, 2017 so i ended up getting my bucking pretty smooth and made my flat nub out of a rubber, it was chronoing fine at home then when i took it out today it started double feeding i had already ordered a few different buckings and nubs (including a modify flat hop and prommy blue flat nub) but they didnt arrive in time to bring with me but im curious what i did wrong that could have caused the double feed im thinking it could have been the nub wasnt deep enough but when i looked down the barrel i could see it protruding giving me the desired flat hop. any ideas? the bucking also felt a little soft and was well used but it seemingly worked fine prior to me modifying it this is on a 450 fps dmr if that helps Link to comment Share on other sites More sharing options...
Mostly Retired Moderators L3wisD Posted August 7, 2017 Mostly Retired Moderators Share Posted August 7, 2017 14 hours ago, Jay91 said: i had already ordered a few different buckings and nubs (including a prommy blue flat nub) Throw that straight in the bin. I tried one and it was awful - I'd have been better using a condom! Link to comment Share on other sites More sharing options...
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