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Archived [ARCHIVED THREAD] - Front Sight Block "F" or not ?
Posted: 9/10/2019 4:30:22 PM EDT
I feel kinda dumb having to ask this but I will be replacing a barrel on my PSA 16" M4 style carbine and need to know if I need the "F" marked sight block or not. Came with the "F" sight block so I would assume that is what I need to go with ?? Replacing with M4 14.5" barrel which will have the FSB already installed. Was a little confused on the correct sight block on Flat Top vs Carry handle versions.

Link Posted: 9/10/2019 4:40:48 PM EDT
[#1]
F for flat top carbine.
Link Posted: 9/10/2019 7:10:41 PM EDT
[#2]
That's what I thought, but thank you

Archived [ARCHIVED THREAD] - Front Sight Block "F" or not ?
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