Might be a long shot, but I'm looking to buy a 20" pencil profile barrel assembly with the FSB installed already.
This is to complete an m16a1 kit, so you know what its supposed to have.
Not interested in stripped barrels as I dont have the tooling to mount the fsb & taper pins.
1:12 twist rate is my first choice, but it's not an absolute requirement.
Also does not need to have M4 feed ramps on the extension.
PM or email me if you might have one.
Thanks

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