Description
The Lead & Steel Llc LS556PEN-MID-13.9 5.56mm 13.90″ Pencil Profile Features M4 Feed Ramps belongs to the AR Barrels category. It features a length of 13.90 inches and a rate of twist measuring 1:7 inches. The manufacturer part number is LS556PEN-MID-13.9, and the UPC code is 7427053012393. The manufacturer is listed as LEAD & STEEL LLC.
This component is turned from 4150 Chrome Moly Vanadium Steel. Additionally, the construction includes a QPQ Black Nitride finish applied to the exterior surfaces. The specification includes a pencil profile along with M4 feed ramps as part of its documented features.








