An [b][[assault rifle]][/b] manufactured by [[SIG Sauer]] from 2007 to 2016. Designed after the earlier [[sig sg550|SG550]], it features Picatinny rails, an AR-15-style magazine well and lower receiver. The [b]SIG 556[/b] is available in both 5.56×45mm NATO ([[STANAG magazine]] compatible) and 7.62×39mm (compatible with AK magazines).  

h4. See also
* [[List of Weapons]]
* [[SIG-556 (Girls' Frontline)|SIG 556 (Girls' Frontline)]]

h1. External links
* "IMFDb":https://www.imfdb.org/wiki/SIG_SG_550#SIG-Sauer_SIG556_DMR
SIG556