AR-15 5.56/.223 20" stainless steel x-treme fluted tactical bull upper assembly

Product Code: MA556SPIRL20UA
Availability:
In Stock
Price: $399.95

Available Options


Lower Parts Kit:

Add BCG:

Add Charging Handle:

Additional:

Rail System Upgrade:

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 5.56 nato (also accepts .223 rounds). 1-9 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 stainless steel. Rifle length gas system.

Handguards -  rifle-length free floating keymod 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 keymod rail, rifle length, the same excellent quality. Quadrail preference is available on top of this page.

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