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Are you at least 18 years old?
Achieve match-grade precision and peak structural refinement with the PRO2A 18" 223 Wylde Mid Length Stainless Premium Upper Kit. This 100% American-made master build bundle contains every critical component required to transform a standard stripped lower receiver into a highly accurate, long-range tactical asset. Built around a premium 18-inch 416R Stainless Steel barrel, this kit features the highly sought-after .223 Wylde chambering to safely extract extreme accuracy from both 5.56 NATO and .223 Remington ammunition. Complete with a pre-headspaced bolt carrier group, standard charging handle, complete lower parts kit (LPK), and a matching 6-position adjustable carbine buffer stock assembly, this package bypasses build guesswork to deliver a seamless precision system.
| Upper Receiver Assembly | Mil-Spec Forged 7075-T6 Aluminum, M4 Feed Ramps, Forward Assist & Port Cover, Type III Hardcoat Anodized Black Finish |
|---|---|
| Bolt Carrier Group (BCG) | Full M16 Profile, 9310 Steel Bolt Face, Nitride/Melonite Finish, Heavy Duty 8620 Steel Carrier, Properly Staked Gas Key & MPI Tested |
| Charging Handle | Standard Mil-Spec Aluminum Charging Handle Assembly |
| Barrel Component | 18 Inch Profile, 416R Stainless Steel, Medium Contour, Precision Match-Grade Bore, Bead Blasted Finish |
| Caliber | .223 Wylde (Optimized safely for both 5.56 NATO and .223 Remington) |
| Twist Rate | 1:7 Twist |
| Gas Operating Block & System | Mid-Length Gas System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Muzzle Device Component | Standard 1/2x28 Thread Pitch, A2 Birdcage Flash Hider with Crush Washer Pre-Installed |
| Handguard Rail | 15 Inch Slim Profile Free-Float Aluminum Handguard, Continuous Top Picatinny Alignment, Modular M-LOK Attachment Points |
| Lower Receiver Parts Kit (LPK) | Complete Mil-Spec Spring and Pin Kit, Polished Single-Stage Hammer and Trigger Assembly, Standard A2 Pistol Grip |
| Carbine Buffer Stock Extension | Adjustable 6-Position M4 Stock, Mil-Spec Diameter Buffer Tube, Standard 3oz Carbine Buffer, and High-Tensile Buffer Spring |
| Manufacturing Origin | 100% Assembled and Quality Checked in the USA with Pro2A Tactical Lifetime Factory Warranty |
Piecing together a long-range precision rifle from scratch frequently leads to performance issues due to mismatched headspacing, unoptimized chamberings, or improper gas port pressures. The PRO2A 18" .223 Wylde Stainless Steel Upper Kit solves these frustrations out of the box. By uniting a premium 416R stainless steel barrel with the highly accurate .223 Wylde chamber, this kit narrows your groupings without limiting your choice of ammo. Every component in this bundle—from the pre-headspaced M16 bolt carrier group to the internal lower springs, buffer weight, and 6-position stock—is matched by expert armorers to function reliably as a single system. It provides competitive target shooters, varmint hunters, and precision marksmen with an uncompromised, out-of-the-box build at an affordable price point.
| SKU | P2A223WAX15MID18SSBB-TK-KIT |
|---|---|
| Barrel Length | 18 inch |
| Rifle Caliber | 223 Wylde |
| Manufacturer | Pro2A Tactical |
