SOLD Noveske N4 Gen 4 Switchblock 5.56 Upper

[brand692]

Noveske N4 Gen 4 Switchblock Upper in 5.56, 10.5" Currently has a FCD LSFA and Magpul EPC. New Noveske FA and EPC included for the purists. Also included is a MDT Arca Rail modified to use with the Noveske N4 rail. $1k shipped

 

[brand692]

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[Romulus_45]

Noveske N4 Gen 4 Switchblock Upper in 5.56, 10.5" Currently has a FCD LSFA and Magpul EPC. New Noveske FA and EPC included for the purists. Also included is a MDT Arca Rail modified to use with the Noveske N4 rail. $1k shipped

Noveske N4 Gen 4 Switchblock Upper in 5.56, 10.5" Currently has a FCD LSFA and Magpul EPC. New Noveske FA and EPC included for the purists. Also included is a MDT Arca Rail modified to use with the Noveske N4 rail. $1k shipped

Interested and I am new here. So pardon my rookieness. I assume that's a cover on the end of the barrel (covering the threading)?

 

[Romulus_45]

What is the approximate round count?