AR-15 5.56/.223 20" Stainless Black Spiral Fluted Bull Upper Assembly / Mlok features:
Barrel - 20" 416 stainless steel bull contour barrel with spiral fluting, double tone. Hardened to 26-32 rc and stress relieved. Chambered in .223 Wylde ( accepts 5.56 NATO and .223 Rem rounds). 1-8 rh twist 6 groove button rifled. .936 diameter under gas block. Target crowned. M4 feedramps.
A3 flat top upper receiver - 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 - 15" 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. Images may not be an exact representation of the product.
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