Are you at least 18 years old?
Achieve competitive, surgical accuracy while completely modernizing your manual control layout. The PRO2A 20" 223 Wylde Rifle-Length NR Side Charging Stainless Premium AR-15 Upper Kit is a comprehensive all-in-one master assembly package. It features a precision billet side-charging upper receiver assembly, a premium non-reciprocating side-charging bolt carrier group (BCG), a full lower parts kit, and a 6-position adjustable stock/buffer layout. Built around a match-tier 20-inch 416R stainless steel barrel, the hybrid .223 Wylde chamber safely bridges the high-pressure dynamics of military-spec 5.56 NATO surplus ammunition with the tight, surgical accuracy of commercial .223 Remington match cartridges. Coupled with a smooth rifle-length gas matrix and a stationary left-side charging handle that stays static while firing, this kit delivers exceptional structural longevity, incredibly low recoil, and an undisturbed optic workspace. This complete master package includes everything required to cleanly transform your stripped lower receiver into a finished competition-ready tack-driver. Proudly 100% designed, machined, and precision-assembled in the USA.
| Upper Receiver | Gibbz Arms G4 Non Reciprocating Side Charging Billet Aluminum Receiver with Gen 2 Handle, M4 Feed Ramps, Type III Hardcoat Anodized Black |
|---|---|
| Charging Style | Left-Side Non-Reciprocating Manual Cocking Handle Assembly (Stays Stationary While Firing) |
| Bolt Carrier Group | Premium Milspec, Nitride Finish, M16 Profile, Properly Staked Gas Key, MPI Tested |
| Barrel Length & Material | 20 Inch Medium Contour 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 Birdcage 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 NR Side Charging Stainless Premium Upper Kit directly eliminates the three biggest hurdles facing precision competition and target builders: caliber pressure mismatching, generic rear ergonomics, and part-by-part conversion friction. Standard 5.56 chambers feature looser throat gaps that cause grouping degradation, while dedicated .223 chambers can spike dangerously high pressures when running military surplus ammunition.
The hybrid .223 Wylde architecture natively provides the tight throat dimensions required to stabilize heavy match projectiles cleanly while managing high military port pressures with complete peace of mind.Moving your manual charging interface to a static side layout fundamentally accelerates your manipulation speeds. You can comfortably charge the chamber or cycle clearing paths from a natural firing position without disrupting your optical line of sight or reaching over the top of the gun. Furthermore, by investing in a comprehensive, complete build kit rather than piecing your components together block-by-block, you eliminate dangerous headspace variations and tracking issues between distinct manufacturers. Backed completely by Pro2A Tactical's signature Lifetime Factory Warranty and engineered with 100% American craftsmanship, this master kit converts your stripped lower receiver into a premium, duty-ready long-range precision asset with absolute confidence.
| SKU | P2ANR223WGFS15RIF20SS-TK-KIT |
|---|---|
| Barrel Length | 20 inch |
| Rifle Caliber | 223 Wylde |
| Manufacturer | Pro2A Tactical |