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Rise Armament Rave 140 Curved Trigger with Anti Walk Pins

Rise Armament Rave 140 Curved AR Trigger

13.7 inch 5.56 NATO Upper| Pro2A Tactical

PRO2A 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper

PRO2A 18" 223 Wylde 1/7 Mid length Stainless Premium M-LOK AR-15 Upper

Rating:
94 % of 100
Special Price $339.99 $529.99
Availability:
In stock
SKU
P2A223WACT15MID18SSBB-TK
PRO2A 18" .223 Wylde Mid Length Stainless Premium M-LOK AR-15 Upper Receiver

PRO2A 18" .223 Wylde 1/7 Mid Length Stainless Premium M-LOK AR-15 Upper Receiver

Unlock match-grade accuracy and long-range versatility with the PRO2A 18" .223 Wylde Stainless Premium Upper Receiver. Engineered for shooters who refuse to compromise on precision, this 100% American-made upper pairs a beautifully machined 416R stainless steel barrel with a rugged mil-spec forged 7075-T6 receiver. Chambered in the highly sought-after .223 Wylde specification, it safely and flawlessly handles both 5.56 NATO duty rounds and commercial .223 Remington match cartridges. Completed with a mid-length gas system and a slim free-float M-LOK handguard, it is the perfect core upgrade for your next multi-gun, hunting, or precision benchrest rifle build.

Key Features

  • Versatile .223 Wylde Chambering: Specially designed hybrid chamber throat dimensions provide the higher pressure handling of 5.56 NATO along with the tight mechanical tolerances of .223 Rem, maximizing accuracy across both ammunition styles.
  • Premium 416R Stainless Steel Barrel: Crafted from match-grade 416R stainless steel for incredible corrosion resistance and maximum thermal consistency, resulting in tight, repeatable shot groups even under prolonged firing schedules.
  • Consistent 1:7 Twist Rate: Precision button-rifled with a fast 1:7 twist configuration engineered to stabilize mid-weight to heavy-grain match bullets (such as 62gr, 69gr, and 77gr options) over extended distances.
  • Optimized Mid-Length Gas System: Precision porting balances gas volume and pressure curve timing, delivering an incredibly smooth, low-recoil cycle that keeps your crosshairs anchored on the target.
  • Slim Profile Free-Float M-LOK Rail: Machined from high-strength 6061-T6 aluminum, the free-float rail isolates barrel vibrations to preserve uniform mechanical accuracy while providing a continuous top Picatinny rail and massive modular space.
  • Forged M4 Feed Ramp Upper Receiver: Precision machined from 7075-T6 forged aluminum and finished with a Type III hardcoat anodizing, featuring cut M4 feed ramps for completely fluid, reliable cartridge feeding.

Technical Specifications

Upper Receiver Mil-Spec Forged 7075-T6 Aluminum, M4 Feed Ramps, Forward Assist & Port Cover, Type III Hardcoat Anodized Black Finish
Barrel Length & Steel 18 Inch Profile, Premium 416R Stainless Steel, Medium Contour, Bead Blasted Finish
Caliber Configuration .223 Wylde (Safe for both 5.56x45mm NATO and .223 Remington cartridges)
Twist Rate 1:7 Twist
Gas Operating Block Mid-Length System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube
Muzzle Device Standard 1/2x28 Thread Pitch, A2 Birdcage Flash Hider with Crush Washer Pre-Installed
Handguard 15 inch Slim Profile Free-Float M-LOK Rail, Competition Top Picatinny Rail, Machined from 6061-T6 Aluminum
Manufacturing Origin 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty

Why Buy This Product?

The PRO2A 18" .223 Wylde Stainless Premium Upper Receiver directly answers the call for a high-accuracy, multi-purpose AR-15 upgrade that handles whatever ammunition you feed it. Traditional 5.56 NATO chambers suffer from looser clearances that diminish downrange accuracy, while strict .223 Remington chambers risk dangerous pressures if loaded with military surplus rounds. The .223 Wylde hybrid configuration bridges this gap completely, giving you tight bolt-action-like groupings out of standard match ammo while ensuring absolute firing safety with high-velocity 5.56 surplus prints.

Furthermore, selecting an 18-inch stainless steel barrel hits a beautiful ballistic sweet spot. It provides enough velocity to maximize fragmentation and drop charts out past 500 yards without the unmanageable bulk of a heavy 20-inch setup. The premium 416R stainless barrel profile naturally sheds heat faster, limiting thermal point-of-impact shift. Combined with an optimized mid-length gas system that tames aggressive bolt cycling into a soft push, this upper yields exceptionally flat tracking. Backed completely by Pro2A Tactical's signature Lifetime Factory Warranty and engineered with 100% American craftsmanship, this upper receiver optimizes your AR-15 build into a rugged, high-performance tactical or target asset.

More Information
SKU P2A223WACT15MID18SSBB-TK
Barrel Length 18 inch
Rifle Caliber 223 Wylde
Manufacturer Pro2A Tactical
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