At Check 6 Arms, we've got your back!
Cart 0
Sig Sauer Sig556 Gen1 5.56 NATO

Sig Sauer

Sig Sauer Sig556 Gen1 5.56 NATO

$ 975.00 $ 1,399.00


Excellent Condition. Dealer Display, never fired. Kept in original box. Comes with Sig Sauer Hard Rifle Case.

The SIG 556 semi-automatic rifle was announced in 2006 as a rifle for civilian and law-enforcement use.It is produced by international SIGARMS (now SIG Sauer) arms corporation and intended primary for US market. SIG 556 is based on SIG SG 550 assault rifle, which is in use by Swiss army, and is limited to semi-automatic fire only, thus being legal in most countries that permit civilians to own rifles.

The SIG 556 semi-automatic rifle is gas operated, using short-stroke gas-piston located above the barrel. Gas system has manual gas regulator with two settings for normal and harsh conditions. The barrel is locked using rotary bolt with two massive lugs. Receiver is redesigned from original SIG SG 550 rifle, and features stamped steel upper part mated to aluminum alloy  lower part which houses a trigger unit and a redesigned magazine housing which accepts all M16 / Ar-15 type magazines. A bolt stop device is incorporated into design. Manual safety is ambidextrous and located above the pistol grip. In basic configuration SIG 556 has no iron sights but optional adjustable folding iron sights are included on this model. Top of receiver is fitted with Picatinny rail for easy installation of various optical or red-dot sights; additional rails are installed on the forend, at 3-, 6- and 9-o'clock positions. Buttstock is of non-folding, telescoped adjustable type.

Caliber: 5.56 NATO / .223 Rem
Barrel Length: 16"
Gas System: Adjustable Gas-Piston
Buttstock: Adjustable
Magazine: None

Share this Product

More from this collection