Enter to win a SIGM400 B5 Series Rifle
with the SIGM400 carbine, the SIG SAUER improved take on the direct
impingement AR-style rifle, a B5 Systems SOPMOD 6-position telescoping
stock, pistol grip, and KEYMOD carbine handguards are added in gray.
Featuring 1:7 twist with Nitride treated barrel, the SIGM400 B5 carbines are machined from 7075-T6 aircraft grade aluminum and are
finished in hard coat anodize finish, SIG SAUER locking
flip-up rear sights and have M1913 Picatinny flat-top upper receivers.