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10.5 inch LEFT HAND 50 Beowulf Complete Upper

PRO2A LEFT HAND 10.5" 12.7x42 (50 Beowulf) 1/20 Carbine Length Melonite NR Side Charging M-LOK AR-15 Upper

16 inch LEFT HAND 50 Beowulf Complete AR-15 Upper

PRO2A LEFT HAND 16" 12.7x42 (50 Beowulf) 1/20 Carbine Length NR Side Charging M-LOK AR-15 Upper

PRO2A LEFT HAND 7.5" 12.7x42 (50 Beowulf) 1/20 Pistol Length Melonite NR Side Charging M-LOK AR-15 Upper

Special Price $719.99 $779.99
Availability:
In stock
SKU
P2ALNR127AX7PIS75-HT
PRO2A LEFT HAND 7.5" 12.7x42 (.50 Beowulf) 1/20 Pistol Length Melonite NR Side Charging M-LOK AR-15 Upper

PRO2A LEFT HAND 7.5" 12.7x42 (50 Beowulf) 1/20 Pistol Length Melonite NR Side Charging M-LOK AR-15 Upper

Product Description

Experience premium, modern weapon logistics tailored precisely for southpaw shooters who demand maximum close-quarters stopping power and superior handling ergonomics. The PRO2A LEFT HAND 7.5" 12.7x42 Pistol Length Non-Reciprocating Side Charging Upper Assembly integrates devastating big-bore authority with highly efficient side-lever mechanics mirrored perfectly for left-handed operators. Built around a matching left-hand ejection billet aluminum receiver with a custom-machined, expanded ejection port, this setup forces high-pressure combustion blowback, unburnt powder, and massive half-inch brass entirely away from a left-handed shooter's face and eyes. Traditional rear charging handle configurations are eliminated entirely. The right-side non-reciprocating charging lever remains perfectly static during live firing chains, allowing standard malfunction clearance or manual bolt manipulation to be executed natively without breaking your cheek weld or reaching over oversized optics layouts. Centered on a short 7.5-inch heavy profile 1:20 twist barrel, it handles severe straight-walled pressure lines flawlessly while preserving an incredibly tight operational footprint.

Key Features

  • True Left-Hand Mirroring & Ejection: Dedicated left-handed billet upper structure throws heavy half-inch brass out a left-side ejection path to shield southpaw shooters from high-velocity blast debris.
  • Fluid Non-Reciprocating Side Charging: Manual loading handle is positioned on the right side and remains completely stationary during firing sequences, protecting hands from cyclical movements and maximizing ease of operation underneath large optics layouts.
  • Devastating Ultra-Compact Big-Bore Footprint: Short 7.5-inch barrel structure brings unmatched maneuvering capability to close-range hunting environments and defensive platforms while firing a massive half-inch projectile.
  • Big Bore Machined Architecture: Custom-machined upper receiver features a widened ejection port to cleanly prevent cycling blockages, standard casing dents, or stovepiping issues during fast firing sequences.
  • Resilient Free-Float M-LOK Architecture: Premium slim profile aluminum rail isolates the barrel from external handling pressure vectors, ensuring continuous point-of-impact accuracy.
  • Liquid Bath Nitride Hardening: The 4150 Chrome Moly Vanadium steel core features full interior and exterior QPQ Melonite coating to offer absolute weatherproofing and prolonged bore precision under severe firing heat.
  • 100% Sourced & Assembled in the USA: Built to tight manufacturing metrics in Georgia, backed completely by premium custom-shop engineering quality parameters.

Technical Specifications

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Upper Receiver Gibbz Arms G4 Billet Aluminum Non-Reciprocating Side Charging Upper Receiver, Left Hand Ejection, Enlarged Big Bore Ejection Port, Single Large Feed Ramp, Anodized Black Finish
Charging System Right-Side Non-Reciprocating Charging System (Static Handle Design) for Left-Eject Configuration
Barrel Length & Profile 7.5-Inch Medium Profile
Caliber 12.7x42mm (.50 Beowulf Compatible)
Twist Rate Matrix 1:20 Twist Rate
Barrel Material & Treatment 4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish
Gas Operating Block Pistol Length Direct Impingement, Low-Profile Steel Gas Block, Stainless Steel Gas Tube
Muzzle Thread & Device 49/64x20 Thread Pitch, High-Efficiency Competition Muzzle Brake
Handguard Rail 7" Slim Free-Float M-LOK Handguard, Machined from 6061-T6 Aluminum with Top Picatinny Rail
Manufacturing Origin 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty

Who Chooses This Upper Receiver?

Southpaw Ergonomic Focus Builders

Left-handed enthusiasts wanting a compact visual and physical properties of a short-barreled tactical setup choose this model to bypass long federal application wait times. The side-charging mechanic simplifies weapon clearing when run with large optics, while keeping the ejection footprint completely mirrored away from the eyes.

Left-Handed Thick-Brush Hunters

Southpaw hunters targeting large game, hogs, or tracking bears in extremely dense brush select this configuration. It packages maximum short-frame portability with a hard-hitting .50 caliber profile to lock down devastating close-range stopping power without hot casings crossing their line of sight.

Tactical Southpaw Marksmen

Shooters wanting premium ergonomic manipulation rely on the non-reciprocating side-charging setup. Bypassing the awkward reach over a standard AR-15 rear charging handle allows left-handed operators to clear, charge, or check the chamber instantly without breaking their cheek weld.

More Information
SKU P2ALNR127AX7PIS75-HT
Barrel Length 7.5 inch
Rifle Caliber 50 Beowulf
Manufacturer Pro2A Tactical
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