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14.5 inch 5.56 NATO AR-15 Upper kit | Pinned & Welded

PRO2A 14.5" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can Kit - Pinned & Welded

5 inch AR-15 NR Side Charging 7.62x39 Melonite M-LOK Upper Suppressor Ready | Pro2A Tactical

PRO2A 5" 7.62x39 1/10 Micro Length NR Side Charging Melonite M-LOK AR-15 Upper - Suppressor Ready

PRO2A 14.5" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit - Pinned & Welded

Special Price $869.99 $1,109.99
Availability:
In stock
SKU
P2ANR556AX15CAR145CAN-TK-PW-KIT
PRO2A 14.5" 5.56 NATO Non-Reciprocating Side Charging Upper Kit with Flash Can - Pinned & Welded

PRO2A 14.5" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit - Pinned & Welded

Product Description

Experience advanced mechanics, seamless charging control, and compact rifle handling without typical federal restrictions. The PRO2A 14.5" 5.56 NATO Non-Reciprocating (NR) Side Charging Upper Kit with Flash Can redefines tactical manual of arms by incorporating a side-charging design where the handle remains static while firing. This 14.5-inch setup integrates an extended slimline flash can permanently pinned and welded down to the muzzle threads, pushing the physical length past the federal 16-inch minimum threshold to completely bypass NFA or brace restrictions. Operating on a smooth mid-length direct impingement setup, this system drops port velocities to yield remarkably flat, soft-recoiling behavior. The recessed flash can routes concussive acoustic shockwaves downrange away from your ears, while the extended 15-inch free-float M-LOK rail supplies continuous modular accessory real estate. Bundled alongside a full lower parts compilation group and a standard rifle stock assembly, this kit upgrades your standard stripped lower receiver into an elite defensive platform.

Key Features

  • Non-Reciprocating Side Charging Action: Left-side charging lever permits faster, more natural weapon manipulation without taking your eyes off target and remains stationary during live cycles.
  • Street-Legal Pinned & Welded Configuration: Extended muzzle flash can is permanently attached down to the 14.5-inch barrel threads, ensuring an overall rifle legal measurement of 16.1 inches without short-barreled rifle registration.
  • Forward-Directing Slimline Flash Can: Significantly tames the concussive muzzle punch and intense side-blast typical of shorter carbines by managing acoustic pathways forward.
  • Extended 15-Inch M-LOK Handguard: The free-floating aluminum rail cleanly encompasses the recessed flash can layout, offering maximum mounting real estate for optics, lights, and laser setups.
  • Turn-Key Lower Completion Package: Saves you from individual component matching; arrives with a complete lower parts conversion kit and a non-braced rifle stock assembly.

Technical Specifications

Upper ReceiverGibbz Arms G4 Billet Aluminum, Non-Reciprocating Left-Side Charging Configuration, Right-Hand Ejection Port, Type III Hardcoat Anodized Black
Charging HandleLeft-Side Non-Reciprocating Charging Handle (Stays static when firing)
Bolt Carrier GroupMilspec Side-Charging M16 Full Auto Profile, 5.56 NATO Caliber, QPQ Nitride/Melonite Treated, MPI Tested, 8620 Carrier with 9310 Steel Bolt
Barrel Length & Profile14.5-Inch Medium Profile (Brings overall length to 16.1 Inches via Pin & Weld)
Caliber5.56 NATO (Safely accepts both 5.56x45mm NATO and .223 Remington factory ammunition)
Twist Rate1:7 Twist Rate (Highly optimized for stabilizing standard 62gr to heavy 77gr match ammunition)
Barrel Material4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish
Gas SystemMid Length Direct Impingement with Low-Profile Gas Block
Handguard15-Inch Free Float Slim Profile M-LOK Handguard Rail System
Muzzle DeviceExtended Slimline Flash Can, 1/2x28 TPI, Permanently Pinned and Welded for Legal Rifle Compliance
Lower Parts KitComplete AR-15 Lower Parts Kit (LPK) including Pivot/Takedown Pins, Bolt Catch, Magazine Catch, Springs, Detents, Standard Pistol Grip, and Mil-Spec Fire Control Group (Trigger & Hammer Assembly)
Stock AssemblyM4 Carbine Adjustable Buttstock, 6-Position Mil-Spec Buffer Tube (Receiver Extension), Carbine Recoil Buffer, and Spring

Why Choose This Product?

The 14.5-inch pinned and welded layout remains the premier option for shooters demanding maximum maneuverability on a defensive carbine without accepting the legal limitations of a pistol brace or short-barreled rifle classification. By updating this setup with a premium, non-reciprocating side-charging upper assembly and a forward-blast redirecting flash can, Pro2A Tactical removes the structural confusion from custom builds, ensuring operators can step up to premium performance safely and comfortably.

More Information
SKU P2ANR556AX15CAR145CAN-TK-PW-KIT
Barrel Length 14.5 inch
Rifle Caliber 5.56 NATO
Manufacturer Pro2A Tactical
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