I have for sale 1 Sig 556xi Swat model in 5.56 nato with the full metal hand guard and i have installed some magpul rails. Rails can be installed in any of the slots. Excellent condition $1050 OBO. Does not come with bag or lancer mag. comes with 1 metal mag and original sig cardboard box. This is the model that can be converted to other calibers because the barrel is now removable and end user replaceable.
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