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OPTION DETAILS
GAS BLOCK: Standard or Adjustable. Adjustable is a great option if you are using a suppressor or just want to fine tune your system.
MUZZLE DEVICE: Standard A2 Flash Hider or Competition Muzzle Brake. Muzzle Brakes are for recoil reduction. The baffles and ports are milled larger to drive pressure up and to keep the muzzle down more effectively.

STOCK: Standard M4 or SOPMOD. SOPMOD has a wider cheek weld, rubber non slip butt pad, two water tight storage compartments and stainless steel QD swivel mount.
Color: Standard Black or FDE or Gray. Standard is Black. Magpul FDE or Magpul Stealth Gray is extra. Please refer to the pictures to see the type/color of receiver and handguard you will receive if option is chosen.
TRIGGER: Standard Milspec, Rise Armament RAVE 140 or Timney Impact. Milspec is a 5-6lb pound trigger. Rise/Timney has a single stage, crisp clean break, 3-3.5lb trigger pull.
Squeeze every ounce of ballistic potential and extreme velocity out of the .223/5.56 cartridge. The PRO2A 22" 223 Wylde Rifle-Length Stainless Premium AR-15 Upper Kit is a comprehensive, all-in-one upgrade package that includes a complete upper receiver assembly, a premium Mil-Spec bolt carrier group (BCG), a charging handle and lower parts kit. Built around an extended 22-inch premium 416R stainless steel barrel, this kit maximizes powder expansion to push heavy projectiles with incredibly flat trajectories, minimized wind drift, and match-grade point-of-impact consistency past 600 yards. Drops natively onto any standard Mil-Spec AR-15 lower receiver. Proudly 100% designed, machined, and precision hand-assembled in the USA.
| Upper Receiver | Mil-Spec Forged 7075-T6 Aluminum, M4 Feed Ramps, Type III Hardcoat Anodized Black Finish (Forward Assist & Dust Cover Installed) |
|---|---|
| Bolt Carrier Group | Premium M16 Profile Mil-Spec BCG, Nitride Finish, Bolt Magnetic Particle Inspected (MPI) |
| Charging Handle | Standard Mil-Spec Aluminum Charging Handle |
| Barrel Material & Profile | 22 Inch Profile, Premium 416R Stainless Steel, Bead Blasted Finish, Medium Contour |
| Chamber Optimization | .223 Wylde (Safely handles 5.56 NATO and .223 Remington with maximum competitive accuracy) |
| Twist Rate | 1:7 Twist (Optimized to stabilize heavy duty 62gr, 69gr, and 77gr match loads) |
| 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 |
| Handguard | 15" Slim Profile Free-Float M-LOK Rail, Machined from 6061-T6 Aluminum |
| Lower Parts | Milspec Polished Trigger & Hammer, Standard Grip & Milspec Lower Parts |
| Stock | Standard Milspec M4 Stock with 6 position buffer tube, 3oz buffer, buffer spring, latch plate and castle nut |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
Marksmen who require extreme accuracy trust the mechanical consistency of a 416R stainless barrel and .223 Wylde chamber to consistently keep group sizes minimal during tight precision strings at extended ranges.
Shooters wanting to stretch the field distances of small varmints or coyotes rely on the full 22-inch configuration to gain maximum velocity. This yields a flatter trajectory, shorter flight time, and significantly reduced wind drift across wide clearings.
Custom builders looking to assemble a reliable long-range target rifle prefer the convenience of a total kit. Bypassing the mechanical headache of headspacing raw bolts or selecting individual gas keys, it provides an American-made, ready-to-pin factory package.
| SKU | P2A223WAX15RIF22SS-TK-KIT |
|---|---|
| Barrel Length | 22 inch |
| Rifle Caliber | 223 Wylde |
| Manufacturer | Pro2A Tactical |