Steelflood Posted September 18, 2022 Report Share Posted September 18, 2022 Presenting the Indianapolis Ordnance BFONG. I'll leave it to others to judge the merits of this piece. I will say it is a big bite assembly wise for someone like me who hasn't done drilling, pinning or riveting small pieces. I will send an email to Indy Ord. I got a set of barrel plugs to 'tune' the gun. In the documentation there is also instructions for tuning via a set screw near the chamber that is marked 'tune' I think. Also attaching the NFA letter. The Indy patent number is clearly visible in the NFA letter which has some diagrams and description of operation. The post uploader wouldn't allow me to attach more than 5 images 1 Link to comment Share on other sites More sharing options...
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