Adcor Defense A-556 Elite 5.56 NATO AR-15 Rifle, 16.1 in Barrel, Free-Float Quad-Rail, 6-Position Stock, Black, 30+1
The Adcor Defense A-556 Elite is a U.S.-made AR-15 platform rifle built around a 16.1 inch steel barrel and a free-float aluminum quad-rail. It features a flat-top A3 upper with forward assist and dust cover, a low-profile gas block, and a threaded muzzle with a three-prong flash hider. Markings include ADCOR DEFENSE INC Baltimore, MD on the receiver set, with laser-etched branding on the upper and a roll-marked/engraved logo on the magwell. One 30-round Magpul PMAG is included.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor, superficial scratches and small blemishes are present on exterior surfaces.
What’s Included
- Adcor Defense A-556 Elite 5.56 NATO semi-automatic rifle
- 1x 30-round Magpul PMAG 5.56×45 STANAG-pattern magazine
This Elite-series rifle uses a semi-automatic, direct-impingement system with a rotating bolt. The receivers are aluminum alloy with a black finish and clear manufacturer markings: ADCOR DEFENSE INC Baltimore, MD on the lower (marked "CAL. MULTI") and a laser-etched ADCOR DEFENSE logo on the flat-top A3 upper. The upper also includes a forward assist and an ejection-port dust cover.
The 16.1 inch steel barrel follows a government/M4 profile and is threaded at the muzzle. A three-prong flash hider is installed, and a low-profile gas block is positioned forward of the handguard and fully exposed. The bore condition is excellent with sharp rifling.
The free-float aluminum quad-rail handguard provides a continuous Picatinny top rail with T-marked and numbered slots, with additional numbered slots on the lateral and bottom rails for accessory placement. No sights are supplied from the factory.
Furniture includes a 6-position collapsible carbine stock and a rubberized finger-groove pistol grip. Length of pull is approximately 10.0–13.5 inches. Controls are standard AR pattern with a right-side magazine release and a manual safety selector. The rifle uses the STANAG 5.56 magazine interface and comes with one 30-round Magpul PMAG for a total capacity of 30+1.