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

Gun Talk 7.62x39 cartridge collectors here?

Anyone else here collect oddball 7.62x39 ammo here? I was going through some stuff and came across this somewhat rare Russian ammo... 8M2, the...

S

Gun Talk 5.56 AK RSB Options

Slowly acquiring all of the pieces for an AKS74NK clone in 5.56. The only piece I can’t find because it doesn’t really exist is an RSB cut for...

Gun Talk Do any members collect old 20 round AR mags?

I know it's predominantly combloc stuff here but was wondering if anybody collects old colt 20 round mags?

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