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Achieve competitive, match-grade accuracy without compromises from a highly adaptable chamber configuration. The PRO2A 20" 223 Wylde Rifle-Length Stainless Premium AR-15 Upper Kit is a comprehensive all-in-one assembly package containing a complete precision upper receiver assembly, a premium Mil-Spec bolt carrier group (BCG), an aluminum charging handle, a full lower parts kit, and a 6-position adjustable stock/buffer layout. Built around an optimized 20-inch 416R stainless steel barrel, the specialized .223 Wylde chamber safely links the high-pressure dynamics of military-spec 5.56 NATO surplus ammunition with the tight, surgical accuracy of commercial .223 Remington match cartridges. Utilizing a true rifle-length gas matrix, this configuration tames cycling speed to output flat trajectories, maximum velocity, and remarkably low recoil. This bundle contains every necessary component to easily turn your stripped lower receiver into a finished competition or long-range asset. Proudly 100% designed, machined, and precision-tested in the USA.
| Upper Receiver | Mil-Spec Forged 7075-T6 Aluminum, M4 Feed Ramps, Type III Hardcoat Anodized Black Finish (Forward Assist & Ejection Port Cover Pre-Installed) |
|---|---|
| Bolt Carrier Group | Premium M16 Profile Mil-Spec BCG, Nitride Finish, Correctly Headspaced, Properly Staked Gas Key, MPI Tested |
| Charging Handle | Standard Mil-Spec Aluminum Charging Handle |
| Barrel Length & Material | 20 Inch Medium Profile, Premium 416R Stainless Steel, Bead Blasted Finish |
| Caliber | .223 Wylde (Safe and highly optimized for both 5.56 NATO and .223 Remington ammunition) |
| Twist Rate | 1:7 Twist (Optimized to stabilize heavy duty match and tactical loads from 62gr up to 77gr) |
| Gas Operating Block | Rifle-Length System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Muzzle Device | Standard 1/2-28 Thread Pitch, A2 Flash Hider with Crush Washer Pre-Installed |
| Handguard | 15 Inch Slim Profile Free-Float M-LOK Rail, Full-Length Top Picatinny Rail, Machined from 6061-T6 Aluminum |
| Lower Parts Kit | Mil-Spec Polished Trigger & Hammer, Standard Pistol Grip, Lower Component Springs, and Pins Included |
| Stock Assembly | Standard Mil-Spec M4 Stock with 6-position buffer tube, standard 3oz buffer, buffer spring, latch plate, and castle nut |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The PRO2A 20" 223 Wylde Stainless Premium Upper Kit directly eliminates the age-old dilemma facing precision target builders: whether to choose the safety tolerances of a 5.56 NATO barrel or the tight mechanical accuracy of a .223 Remington chamber. Standard 5.56 setups have loose throats that suffer from grouping degradation, while dedicated .223 chambers can spike dangerously high pressures with military surplus ammunition. The hybrid .223 Wylde architecture provides the exact throat dimensions required to stabilize heavy match projectiles cleanly while managing high military port pressures with complete peace of mind.
| SKU | P2A223WGFS15RIF20SS-TK-KIT |
|---|---|
| Barrel Length | 20 inch |
| Rifle Caliber | 223 Wylde |
| Manufacturer | Pro2A Tactical |
