Steelflood Posted September 18, 2022 Report Share Posted September 18, 2022 (edited) 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 AtfletterindianapolisCOMPLETE.pdf Edited September 23, 2022 by Steelflood Link to comment Share on other sites More sharing options...
Steelflood Posted September 18, 2022 Author Report Share Posted September 18, 2022 More pictures and two .pdf of the instructions and ATF letter that contains patent number. Go to google patents and just punch the number in. Indyordinstructionsbfong.pdf Link to comment Share on other sites More sharing options...
TennesseeTaylor95 Posted September 18, 2022 Report Share Posted September 18, 2022 Thanks for sharing these photos and PDFs with us on this kit. It is very interesting to see how the whole setup is done and even how the bolt handle is retained/indexed in the bolt and receiver when fully assembled. Is the IO M1928A1 BFONG kit in the white or is it blued and my eyes are just playing a trick on me? If it is unfinished, does it come standard without a finish, or did you specifically ask for it to stay in the white so you could finish it to your preferred finish? Link to comment Share on other sites More sharing options...
Steelflood Posted September 18, 2022 Author Report Share Posted September 18, 2022 The finish is blu, I emailed indy ord for advice to get the lower, sights and compensator to match. The appearance is Blu so I don't think it's sandblasted, I did ask if was sandblasted. The white appearance in the photos is because they were rather dark. I just put the lighting adjustment on full blast to bring out the details. The knob is unfinished. I don't have anything threaded to put in the hole on the left side opposite the ejection port, so I asked about that too. Link to comment Share on other sites More sharing options...
TSMGguy Posted September 19, 2022 Report Share Posted September 19, 2022 (edited) I don't have anything threaded to put in the hole on the left side opposite the ejection port, so I asked about that too. The hole is for the ejector. You're probably supposed to use an original GI one. Edited September 19, 2022 by TSMGguy Link to comment Share on other sites More sharing options...
Steelflood Posted September 19, 2022 Author Report Share Posted September 19, 2022 Ok, just confusing that the provided instructions give specific directions on using the plugs, then seperate directions for calibration using a marked set screw. I'll just assemble it and see where I'm at. Link to comment Share on other sites More sharing options...
Steelflood Posted September 19, 2022 Author Report Share Posted September 19, 2022 I'm getting impatient enough that my currentc plan is to redo the upper and lower ignoring the finish indy put on it. It seems like looking up Bobs observations about what original finishes were like is a time saver. I have enough parts kits to do any of the 3 major types of finishes:Blu ParkerizedBeat up metal pre armory refurbish condition I'm half joking, after Bob gave valuable info I remembered the "WW2 reinactors" finish I saw decades ago at an event. Thanks for sharing these photos and PDFs with us on this kit. It is very interesting to see how the whole setup is done and even how the bolt handle is retained/indexed in the bolt and receiver when fully assembled. Is the IO M1928A1 BFONG kit in the white or is it blued and my eyes are just playing a trick on me? If it is unfinished, does it come standard without a finish, or did you specifically ask for it to stay in the white so you could finish it to your preferred finish? Link to comment Share on other sites More sharing options...
MauserMatt Posted September 20, 2022 Report Share Posted September 20, 2022 Thank you for the post and the pictures! I don't know why, when someone is selling something that costs in the thousands, is it so hard to put detailed pictures of your product on their website? 1 Link to comment Share on other sites More sharing options...
Blanksguy Posted September 20, 2022 Report Share Posted September 20, 2022 Some say it is because the manufacturer does not want their building-information to get out and be used by others to make their own examples. Link to comment Share on other sites More sharing options...
MauserMatt Posted September 21, 2022 Report Share Posted September 21, 2022 That makes sense to a point. Except that anyone can buy one and post pics on the internet. But, not trying to derail the topic. The quality of the Indy Ord parts looks good! I have a full auto Thompson, but don't want to blank adapt a nice original Savage M1 for reenacting. This would definitely be an acceptable alternative. Link to comment Share on other sites More sharing options...
Countryboy77 Posted September 22, 2022 Report Share Posted September 22, 2022 That ATF approval letter doesnt look complete. I didnt notice any approval,did i miss somthing? Link to comment Share on other sites More sharing options...
Steelflood Posted September 23, 2022 Author Report Share Posted September 23, 2022 To my knowledge I provided the whole thing, whatcha looking for? Link to comment Share on other sites More sharing options...
inertord Posted September 23, 2022 Report Share Posted September 23, 2022 The BATF Letter posted above doesnt show any approval information, only some examination details. 1 Link to comment Share on other sites More sharing options...
Steelflood Posted September 23, 2022 Author Report Share Posted September 23, 2022 (edited) I went back and checked the pdf, it does look incomplete. I'll find the letter. Edited September 23, 2022 by Steelflood Link to comment Share on other sites More sharing options...
Steelflood Posted September 23, 2022 Author Report Share Posted September 23, 2022 The BATF letter attached is exactly how Indy Ord sent it to me. There does appear to be a redacted section that may have had information that Indy wants to keep propriety. But that doesn't stop anyone from looking up the patent where the general tamper proof design is described. 1 Link to comment Share on other sites More sharing options...
anjong-ni Posted September 23, 2022 Report Share Posted September 23, 2022 Thanks, Steelflood. Here is the patent mentioned in the approval form. Need to find my magnifying glass!....Phil US9303938B2 - Blank chamber and housing - Google Patents Link to comment Share on other sites More sharing options...
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