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AR15.COM
9/16/2024 8:23:08 PM EDT
I'm going to send in a couple of Criterion 308 AR chrome lined barrels to get cut down, rethreaded and crowned. On one of the barrels, I want to get a folding FSB pinned to it. The sight is an A.R.M.S. #41 B-L-P. Are you able to pin this type of folding FSB? If so, is it covered with the regular "AR15 FSB Install of your new FSB $75.00" service? Do I need to send taper pins with the FSB or do you provide those with the service?

I would also like to get the entire lug and swivel ears removed from the FSB. I just want to verify this would be covered under the "Remove Bayonet Lug - $35.00" service. Thanks.







9/17/2024 7:31:39 AM EDT
[#1]
We dont pin FSBs on 308 barrels, and that FSB is the wrong height to work on a 308 anyhow.  308 receivers are taller than 5.56 receivers, you would need a 308 height FSB.
I'm no good at telling people what they want to hear when I dont believe it myself :)
9/18/2024 6:00:03 AM EDT
[#2]
Ok, thanks for letting me know you don't have the ability to pin a FSB on 308 barrels.

Yes, I'm aware of the height differences. It's going to be used in conjunction with a low height 308 receiver, so this FSB should function and zero just fine with this configuration.

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