SIG Sauer SIG556 5.56 16” Semi-Auto Rifle SIG556304 Red Dot Sight NIB 2010
SOLD FOR: $1,601.00
LSB#: WY241111JH038
Make: Sig Sauer Inc.
Model: SIG 556, SIG556304
Serial Number: JT015746
Year of Manufacture: 2010
Caliber: 5.56 / .223
Action Type: Semi-Automatic, Short Stroke Gas System, fed by detachable AR15 pattern magazines with folding stock.
Markings: The left side of the receiver is marked “JT015746”, “SIG556, 5.56 NATO, SIG SAUER INC., EXETER, NH, USA”, and “S” and “F”. The left side of the pistol grip is marked “SIG SAUER”. The left side of the buttstock is marked, “SIG SAUER”. The rear sight is marked “SIG SAUER”.
Barrel Length: 16”. 17.5” with A2 flash hider
Sights / Optics: The front sight is a hooded post sight. The rear sight is a Sig Sauer Rotary Diopter Sight attached to the 8” picatinny rail mounted to the upper receiver. This rifle kit also includes a Sig STS-081 Mini Red dot sight for a picatinny rail in its sealed packaging.
Stock Configuration & Condition: The furniture set on this rifle includes a 10” polymer ribbed handguard, a Sig pistol grip with storage, and a Sig folding adjustable stock with rubber buttpad. The length of pull can be adjusted from 11.75” when fully collapsed to 13.25” at full extension. The furniture set is in New in Box condition with the exception of the rubber buttpad that has turned white with age and has cracked in several places.
Magazine Quantity & Condition: This rifle includes One 30rd 5.56 SIGARMS polymer magazine in Like New condition with connector device for fast mag reload.
Type of Finish: Black
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore. This rifle appears unfired outside of factory testing. In this writer’s opinion the bore rates 10/10.
Overall Condition: This rifle is New In Box. However after being stored for almost 15 years the rubber on the buttpad and the rubber on the dust cover have degraded. The rear 40% of the dust cover rubber has fallen off and was in the case next to the rifle in little pieces. If this rifle is fired it is highly likely the rest of the dust cover will fall off.
Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: This rifle includes the Factory Sig Rifle Case with foam inserts, chamber lock and keys, total of one magazine, sight manual and tool, Red dot, Sig grease and orange chamber flag.
Our Assessment: The Sig Sauer SIG556 rifle is a semi-automatic firearm inspired by the Swiss SIG SG 550 series but designed for the American market. Manufactured in 2010, this particular SIG556 features a 16-inch barrel, making it compact and maneuverable while maintaining sufficient accuracy for medium-range engagements. Chambered in 5.56x45mm NATO, the rifle offers compatibility with widely available ammunition and standard AR-15 magazines, enhancing its versatility. One of its defining features is the rifle’s gas-piston operating system, derived from the SG 550 series, which provides excellent reliability by reducing fouling in the action.
Equipped with a folding and collapsible stock, the SIG556 is highly adaptable for various shooting scenarios, whether for compact storage, transportation, or adjusting to different user preferences. The included Sig red dot sight enhances quick target acquisition, making it well-suited for dynamic shooting situations such as competition or defensive use. The rifle also features a Picatinny rail for mounting optics and accessories, further increasing its customization potential. Combining Swiss-inspired precision with modern adaptability, the SIG556 offers a blend of functionality and innovation that appeals to collectors and practical shooters alike. Please see our high quality photos via the link and best of luck with your bidding!!!-R.L.
