Pro2A Tactical 18" .308 Win Rifle Length NR Side Charging Stainless Premium M-LOK AR-10 Upper

Dominate long-range targets and big game hunting with the Pro2A Tactical 18" .308 Win Rifle Length Non-Reciprocating (NR) Side Charging Stainless Premium M-LOK Upper. Purpose-built for the DPMS Gen 1 low profile platform, this elite upper receiver introduces a sleek non-reciprocating side charging handle that allows you to cycle the action while keeping your cheek weld locked. Featuring a premium 18-inch 416R stainless steel barrel with a versatile 1:10 twist rate and a smooth rifle-length gas system, this setup delivers match-grade precision with drastically tamed recoil. Outfitted with a free-float M-LOK handguard, it is the ultimate accuracy upgrade for your AR-10 or LR-308 lower receiver.

Key Features & Technical Specifications

• Caliber: .308 Winchester (Safely fires standard .308 Win and 7.62x51mm NATO match ammunition)
• Barrel Length: 18 Inches (The definitive sweet spot for maximum velocity efficiency and maneuverability)
• Charging Style: Non-Reciprocating (NR) Side Charging (The charging handle stays stationary while firing)
• Gas System: Rifle-Length (Softens the pressure curve for flat-shooting performance and lower mechanical wear)
• Barrel Twist Rate: 1:10 Twist (Optimized to accurately stabilize heavy, high-BC projectiles up to 175gr and 180gr)
• Barrel Profile: Heavy Profile for better performance during sustained firing schedules and enhanced durability
• Barrel Material & Finish: Premium 416R Stainless Steel with bead blasted finish by Ballistc Advantage (Machined for match-grade consistency and exceptional weather defense)
• Handguard: 15 inch Rigid, Free-Float M-LOK rail system with a continuous top Picatinny rail for optics and bipods 
• Muzzle Thread: 5/8x24 TPI Competition Muzzle Brake 
• Receiver: Gibbz Arms G10 Non Reciprocating Side Charging Billet Aluminum Receiver with Gen 2 Handle, Enlarged M4 Feed Ramps, Type III Hardcoat Anodized Black
• Platform Compatibility: DPMS Gen 1 Low Profile pattern AR-10 / LR-308 lowers
• 100% Made in the USA

Why Choose the Pro2A Tactical 18" .308 Side Charging Upper?

Ergonomic Non-Reciprocating Side Charging Action

Standard rear charging handles can be clumsy to operate beneath large long-range optics. Our advanced non-reciprocating side charging system moves the control to the side of the receiver, allowing you to charge the weapon or clear malfunctions effortlessly without breaking your sight picture. Best of all, the handle remains safely forward and stationary while cycling, preventing any interference with your support hand or gear.

Premium 416R Stainless Steel Match Precision

Every barrel is machined from elite 416R stainless steel, celebrated for its uniform grain structure and resistance to thermal stress. This ensures that even during high-volume strings of fire, your barrel preserves its tight mechanical tolerances. The clean, crisp button rifling guarantees tight, sub-MOA capabilities with quality match grade ammunition.

Rifle-Length Gas System for Flat Follow-Up Shots

Large-frame battle rifles can yield heavy recoil. By utilizing a finely tuned rifle-length gas system, this upper delays the unlock timing and vents heavy gases smoothly. This design tames the violent punch of the .308 cartridge into a linear push, letting you stay on target through your scope to watch your impacts downrange.

Rigid, Free-Floating M-LOK Architecture

To eliminate point-of-impact shifts, the heavy-duty M-LOK handguard mounts securely to a dedicated barrel nut without making contact with the barrel itself. This lets you load up a heavy bipod or pull back tightly on a shooting barrier without warping your barrel's natural harmonic vibration. Its sleek, flat-bottom profile provides an incredibly stable shooting platform.

Lifetime Warranty and Support:

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