Link: 16" 5.56 / .223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL - MID LENGTH GAS - FDE

Retail: $414.99
Sale: $304.99


1. Upper Receiver - MAS Defense A4 Forged - 7075 T6 Aluminum A4. Precision Machined to Mil-Spec Tolerances. Black Hardcoat Anodized Mil-Std-171 Type III. M4 Ramps, Forward Assist, Ejection Door.

2. Barrel - 16" 5.56 NATO / .223 1x7 Twist Govt 4150 CrMoV Melonite Nitride Treated Steel

3. Handguard - MAS Defense "Nero" 15" Slimline M-LOK Free Floating Handguard - FDE - (ID 1.25")

4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block

5. Gas Tube - Mid-Length Stainless Steel Gas Tube

6. Muzzle Device - A2 Half Cage

Bolt Carrier Groups and Charging Handles are sold separately.

All barreled uppers are head spaced and test fired to ensure function.

ALL LAWS APPLY. IT IS THE RESPONSIBILITY OF THE BUYER TO UNDERSTAND ALL LAWS REGARDING PURCHASE AND OWNERSHIP OF THIS UPPER. WE STRONGLY URGE YOU TO CONTACT YOUR LOCAL FFL AND/OR THE ATF WITH ANY AND ALL QUESTIONS TO MAKE SURE YOU UNDERSTAND THE LAW BEFORE PURCHASING THIS ITEM.

MASDefense.com
980-265-1005
"Quality Parts at Reasonable Prices!"