AR-15 5.56/.223 20" stainless steel x-treme fluted tactical bull upper assembly features:
Barrel - 20" 416 stainless steel bull contour barrel with x-treme fluting. Hardened to 26-32 rc and stress releived. Chambered in .223 Wylde (also accepts .223 rounds). 1-8 rh twist 6 groove button rifled. .936 diameter under gas block. Target crowned. M4 feedramps.
A3 flat top upper reciever - made from certified 7075-t6 aluminum forgings. Black hardcoat anodized and teflon coated to gov. specs. Forward assist and dust cover installed. M4 feedramps.
Gas system - .936 micro gas block made from steel. Rifle length gas system.
Handguards - rifle-length free floating Mlok rail. Made from aircraft quality aluminum and black hardcoat anodized.
Does not come with BCG and charging handle. Can be purchased separately. Please note, we are currently making these uppers with slim mlok rail, rifle length, the same excellent quality. Images may not be an exact representation of the product.
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