The Aegis 18-Inch .223 Wylde Complete Upper Build delivers precision-oriented components for shooters demanding accuracy and versatility. Built around an 18-inch 416R stainless steel barrel with a spiral fluted heavy profile and 1:8 twist rate, this upper stabilizes a wide range of bullet weights for consistent performance. The 7075-T6 aluminum upper receiver features M4 feed ramps and an anodized finish for durability and reliable feeding. A freefloat M-Lok handguard machined from aircraft-grade aluminum provides ample accessory mounting space while maintaining a lightweight profile. The upper includes a micro low-profile gas block for Mid-Length gas systems, a complete bolt carrier group made from American 9310 alloy steel with nitride finish, and a GI birdcage flash hider for effective muzzle control.
The .223 Wylde chamber specification accommodates both .223 Remington and 5.56 NATO ammunition while delivering match-grade accuracy. This chambering provides the flexibility to run mil-spec loads or precision match ammunition without sacrificing performance.
The spiral fluting reduces weight while maintaining the rigidity of a heavy profile barrel. This design enhances heat dissipation during extended shooting sessions and improves barrel harmonics for consistent shot placement at distance.
The included bolt carrier group is machined from American 9310 alloy steel and finished with a nitride coating for corrosion resistance and reduced friction. This material choice provides the strength and reliability needed for sustained use across various shooting conditions.
The Mid-Length gas system delivers smoother recoil impulse and reduced port pressure compared to carbine-length systems. Combined with the micro low-profile gas block, this configuration ensures consistent cycling while minimizing felt recoil.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Verify compatibility of all components before assembly. Performance may vary by ammunition type and configuration.
Platform: AR-15
Caliber: .223 Wylde
Barrel: 18" 223 Wylde 416R Stainless Steel Spiral Fluted Heavy Barrel
Barrel Length: 18-inch
Barrel Material: 416R Stainless Steel
Barrel Finish: Nitride
Barrel Profile: HBAR
Barrel Twist Rate: 1:8
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Mid-Length
Color: Black
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: Aircraft-Grade Aluminum
Handguard Color: Black
Handguard Style: Free Float, M-Lok Compatible
Muzzle Device Details: AR-15 1/2x28 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Device Finish: Manganese Phosphate
Muzzle Thread Pitch: 1/2x28
Gas Block: Micro Low-Profile Gas Block
Gas Block Size: 0.750
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier Group: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group *Made In The USA*
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
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