Adams Arms Upper 223 Rem 556NATO 16" Black 1:7 Chrome Lined A2 Gas Piston AR-15 Flat Top UA-16-M-B-556

Adams Arms Upper 223 Rem 556NATO 16" Black 1:7 Chrome Lined A2 Gas Piston AR-15 Flat Top UA-16-M-B-556
Specifications:

•Upper Receiver: A3 Flat-Top, Forged

•Barrel Length: 16"

•Barrel Contour: Government

•Barrel Material: 4150 Chrome Moly Vanadium Steel

•Muzzle Thread Pattern: 1/2"-28

•Chrome Lined: No

•Barrel Finish: QPQ Melonite / Black Nitride

•Twist Rate: 1 in 7"

•Chamber: 5.56x45mm NATO

•M4 Feed Ramps: Yes

•Bolt Carrier: 1-Piece w/Integral Piston Strike Face

•Muzzle Device: A2 Flash Hider

•Gas System Length: Mid, Short Stroke Piston Operated

•Gas Block Diameter: 0.750"

•Handguard: 2-Piece Polymer, Mid-Length

•Sights: None, Single Rail Gas Block

•Weight: 4.23 lbs





Chamber: Chrome Lined
Caliber: 223 Rem
Caliber2: 556NATO
Barrel Type: 1:7
Barrel Length: 16"
Chokes A2
Finish/Color: Black
Fit: AR-15
Sights: Flat Top
Type: Upper
Manufacturer: Adams Arms
Mfg Number: UA-16-M-B-556

Enter your ZIP code for an exact shipping cost on this item. Hazardous-materials fees, where they apply, are included in the total shown.

Read our full shipping policy

Firearms must ship to a licensed dealer (FFL), who completes the transfer and the required background check when you collect the item.

How FFL transfers work · Terms of sale · Product and legal restrictions