WTS SIG MCX Barrel, Bolt, Sig Handguard, 300 BLK mags

[markopolo]

1. New and never fired in box Genuine replacement barrel for the 5.5" 5.56NATO Rattler. Complete with barrel and gas block assembly..and bolt 

This Barrel is compatible with the Rattler ONLY. This barrel is not compatible with the MCX Virtus or Legacy MCX Uppers.
It will not function with a factory .300BLK handguard. This barrel requires the 5.56NATO Rattler handguard. Sig Sauer MCX Rattler 5.5" Caliber Exchange Kit, 5.56 NATO, Tapered Lug. So if you have a Sig MCX Rattler 300 BLK you can turn into 5.56 cal. Or have a spare 5,56 Sig MCX barrel.
$ 300  shipped 
 

2. New in box Sig Sauer MCX Rattler 5.56 NATO Handguard, aluminum Low Profile, M-LOK, Black
$100 shipped 
 

 

 

Edited August 12, 2022 by markopolo