What are the differences between 4.5mm and 5.5mm folding trunnions

I have a draco that I want to install a folding triangle stock on, but I'm not sure which size trunnion to opt for.

Want to Sell Yugo furniture and Romanian Fixed Trunnion

For Sale (all prices are shipped): Yugo maple stock set (slight refinish with boiled linseed): $60 Romanian fixed trunnion: $35

$35.00

Gun Talk Saiga 223 Conversion

I'm planning on going through the process of converting a 223 saiga into a 102 and wanted to get a list of all the parts I'll need, from my...

Sold AK 100 Russian Handguard Retainer

Not sure what the going rate is for this, PM if you have one we can discuss. EDIT: Found one on the files

$70.00

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Gun Talk Looking for scope recommendations

I'm building a Bulgarian AK74 in 5.56 and want to put a scope on it. The receiver has a standard bulgy scope rail on it. I'd like to keep a...

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Gun Talk Bolt Carrier Polishing

Curious on if polishing the Bolt Carrier group and Hammer is actually a good thing to do on a milled Bolt carrier or if it’s a waste of time? I’ve...

Gun Talk Rare Russian Paratrooper Knife

Found this on another website and had never seen one before, a Russian Afghanistan War Era Paratrooper and Pilot knife with a serrated edge. The...

Gun Talk What are the differences between 4.5mm and 5.5mm folding trunnions