Hey guys,
If I want to SBR a 107UR rifle I understand I need to modify the gas port? Is there a reputable (one ship only. Not ship. Get it back. Shoot it and it doesn’t work. Ship it again etc) outfit that can SBR this rifle?
Also, what Krinkov flash hinder is appropriate for a rifle like this?
Mario @ Piece of History Firearms, Troy @ InRange, Chris @ AKUSA are all good to go.
You’ll need it opened to 3mm.
The “flaming pig” that Noveske uses is a direct copy of the Bulgarian AKSU brake for 7.62x39mm.
K-VAR carries them. In the AK world, they’re known as “beer can” flash suppressors.
We need pics!
Some advocate 4mm. I haven’t had to open one that much with the exception of AK pistols though.
The “krink” flash suppressor should give enough back pressure for 100% function, but I’d consult with the smiths mentioned and get their take.
the 107UR has a redcuer in the gas port that just needs to be pulled out after removing the FSB. You do not need to drill it out any further. At lkeast that’s what my smith told me when he did mine. I have a duckbill krink brake and it runs great.