FREE STANDARD SHIPPING ORDERS $250+
AGE VERIFICATION REQUIRED
Are you at least 18 years old?
Are you at least 18 years old?
OPTION DETAILS
GAS BLOCK: Standard or Adjustable. Adjustable is a great option if you are using a suppressor or just want to fine tune your system.
MUZZLE DEVICE: Standard A2 Flash Hider or Competition Muzzle Brake. Muzzle Brakes are for recoil reduction. The baffles and ports are milled larger to drive pressure up and to keep the muzzle down more effectively.
Bolt Carrier Group: BCG/CH is Optional. Select Nitride or Nickel Boron if you need a BCG to complete Upper . All our BCGs are M16 Profile, Properly Staked Gas Key, MP Tested, 8620 Carrier, 9310 Bolt. Nitride is a surface hardening process that creates a tough and slick surface. Nickel Boron provides the slickest surface which reduces friction and where dirt does not easily adhere to. Standard Charging Handle Included if BCG Option is selected.
Color: Standard Black or FDE or Gray. Standard is Black. Magpul FDE or Magpul Stealth Gray is extra. Look at pictures to see the type/color of receiver and handguard you will receive.
Upgrade or complete your standard rifle build with the Pro2A Tactical 16" 5.56 NATO Melonite M-LOK Upper. Engineered to serve as a rock-solid foundation for everyday duty, tactical training, and sport shooting, this premium upper receiver features a heavy-duty 16-inch Melonite barrel with a versatile 1:7 twist rate. Outfitted with a slim, free-float M-LOK handguard, this upper isolates the barrel to deliver match-grade accuracy while providing an exceptionally rigid, modular platform for your optics and tactical accessories. It is the ultimate plug-and-play choice for any standard mil-spec AR-15 build.
The 16-inch barrel length is the gold standard for standard civilian rifle configurations. It maximizes the velocity and dynamic terminal performance of the 5.56 NATO round while keeping your rifle entirely compliant under standard federal regulations. You get full ballistic expansion and reliable fragmentation at defensive distances without jumping through paperwork hoops.
Built to handle rigorous, high-volume firing schedules, our Melonite-finished barrel utilizes an advanced liquid nitriding surface treatment. This QPQ process creates an incredibly slick, wear-resistant surface inside the bore, chamber, and outer profile. This delivers the extreme corrosion protection of traditional chrome lining without any of the accuracy degradation often caused by uneven chrome plating.
Isolate your barrel completely from external shooting pressures. The sleek, free-floating M-LOK handguard lets you clamp down on barricades, rest on shooting bags, or cinch down tight shooting slings without shifting your downrange point of impact. Featuring a continuous top Picatinny rail and crisp M-LOK cutouts at 3, 6, and 9 o'clock, mounting tactical lights, lasers, and hand stops is entirely seamless.
Every single component in this upper assembly is machined from top-tier materials. The upper receiver is forged from rugged 7075-T6 aluminum and features precision-cut M4 feed ramps to guarantee flawless feeding and ultra-smooth extraction right out of the box. Drop in your favorite Bolt Carrier Group (BCG) and charging handle to instantly transform your lower receiver into a high-tier rifle system.
*Click here to learn more about our warranty.
| SKU | P2A556GFS1216-1.7-TK |
|---|---|
| Barrel Length | 16 inch |
| Rifle Caliber | 5.56 NATO |
| Manufacturer | Pro2A Tactical |
