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Discussion Starter · #1 ·
I have come across a nice Romy 7.62 barrel and the only parts kit I have on hand is a Bulgy 5.45. Are there any issues with turning down the barrel chamber area to >86 to fit the Bulgy trunnion? Aren't the bolts identical?
 

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No problem other than turning the trunnion journal and changing the bullet guide. I've got one like this I'll be building soon. Picked up a 7.62 barrel with a 22mm trunnion journal.

Nathan
 

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I believe if you are using a short lug AKM bolt in the long lug AK74 trunnion your barrel setback will be deep and if the barrel is populated it will stack weird. A virgin build less problem. If gas port is drilled you wilt need to shorten the piston and gas tube a bit.
 
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