AR-15 5.56/.223 Wylde 18" heavy barrel quadrail upper assembly
AR-15 5.56/.223 Wylde 18" nitride upper assembly with quadrail handguard includes:
Barrel - 18" heavy barrel. Chambered in .223 Wylde, 1:8* twist. Nitride coated. .750 diameter under gas block. Mid length gas system. Threaded for a muzzle brake. Finished off with our A2 birdcage and a crush washer. M4 feedramps.
A3 flat top upper receiver - made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to gov.specs. Forward assist and dust cover installed. M4 feedramps.
Gas system - .750 low profile gas block made from aircraft quality aluminum and black hardcoat anodized. Mid length gas tube.
Handguards - rifle length free floating quad rail handguard. Made from aircraft quality aluminum and black hardcoat anodized. May vary from stock photo in design. The same excellent quality.
*Twist may vary between 1/7 and 1/8, depending on stock availability. Upper does not come with BCG and Charging Handle. Add-on options available on top of this page.
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