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SilencerCo Hybrid 46M Suppressor

SilencerCo Hybrid 46M Suppressor - 48 HOUR DEAL ONLY!

PRO2A 16" 6.8 SPC II 1/10 Mid Length Melonite M-LOK AR-15 Upper - 48 HOUR DEAL ONLY!

Rating:
97 % of 100
Special Price $299.99 $459.99

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 DEVICEStandard 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 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. 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. 

 

Availability:
In stock
SKU
P2A68GFS12MID16-HT
Pro2A Tactical 16" 6.8 SPC II Mid-Length M-LOK AR-15 Upper Receiver

Pro2A Tactical 16" 6.8 SPC II Mid Length Melonite M-LOK AR-15 Upper

Step up to devastating intermediate-range performance with the Pro2A Tactical 16" 6.8 SPC II Mid Length Melonite M-LOK Upper. Explicitly engineered to deliver significantly more kinetic energy and stopping power than the standard 5.56 NATO cartridge, this complete upper receiver features a heavy-duty 16-inch Melonite barrel with a versatile 1:10 twist rate. Utilizing a finely tuned mid-length gas system to guarantee remarkably smooth cycling and low felt recoil, this upper comes paired with a rigid, free-float M-LOK handguard that completely isolates the barrel. It is the ultimate plug-and-play solution for serious deer and hog hunting, tactical training, and home defense setups without any NFA restrictions.


Key Features & Technical Specifications

  • Caliber: 6.8 SPC II (Spec II chamber ensures safe handling of higher-pressure tactical loads)
  • Barrel Length: 16 Inches 
  • Gas System: Mid-Length (Tuned for smooth mechanical cycling, lower port pressures, and extended part lifespan)
  • Barrel Profile & Twist Rate: Medium 1:10 Twist (Optimized to accurately stabilize popular bullets ranging from 85gr to 120gr+)
  • Barrel Finish: 4150 Chrome moly vanadium with Premium Melonite liquid nitriding for exceptional bore longevity, reduced friction, and superior weather defense
  • Handguard: 12 inch Lightweight, Free-Float M-LOK rail system with a continuous top Picatinny rail for rock-solid optics placement
  • Muzzle: 5/8x24 TPI A2 Flash Hider
  • Receiver Material: Hard coat anodized black Mil-Spec forged 7075-T6 aluminum upper receiver with M4 feed ramps, forward assist and ejection port cover
  • Platform Compatibility: Seamlessly mounts onto any standard mil-spec AR-15 lower receiver

Why Choose the Pro2A Tactical 16" 6.8 SPC II Upper?

Devastating Downrange Energy in a Standard Footprint

Originally designed by military marksmen to address the terminal limitations of the 5.56 cartridge, the 6.8 Remington SPC (Special Purpose Cartridge) packs a massive punch. This 16-inch barrel configuration maximizes propellant efficiency, providing an ethical medium-game hunting platform for deer and hogs. It delivers near-.30-30 terminal ballistics from a lightweight, fast-handling AR-15 profile, giving you a substantial ballistic upgrade while using standard lower dimensions.

Finely Tuned Mid-Length Gas System

Managing the violent unlock pressures of a larger cartridge is crucial for extraction reliability. By choosing a mid-length gas system on this 16" upper, the mechanical cycling curve is significantly softened compared to harsher carbine systems. This delays bolt unlock, reduces gas blowback, tames the recoil punch into a predictable linear push, and helps you keep your crosshairs locked on target for immediate follow-up shots.

Melonite Advanced Bore Armor

Built to withstand severe backcountry environments, our Melonite-finished barrel utilizes an advanced QPQ liquid nitriding surface treatment. This process hardens the metal on a molecular level inside the bore, chamber, and exterior profile. The result is maximum wear resistance against high-velocity strings of fire and superior rust protection without sacrificing match-grade accuracy.

Rigid, Free-Float M-LOK Architecture

Protect your downrange zero from external resting force. The sleek, free-floating M-LOK handguard securely locks to the barrel nut, keeping your bipod pressure or barricade rests from warping natural barrel harmonics. Outfitted with precision M-LOK cutouts at the 3, 6, and 9 o'clock positions, mounting tactical lights, weapon lasers, and ergonomic grips is entirely clean and modular.

Lifetime Warranty and Support:

*Click here to learn more about our warranty. 

More Information
SKU P2A68GFS12MID16-HT
Barrel Length 16 inch
Rifle Caliber 6.8 SPC II
Manufacturer Pro2A Tactical
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