“FN 20-100041 AR-15 5.56x45mm NATO 16″ Button Rifled M16 Profile Mid Length Gas System, Black Phosphate Cold Hammer Forged Chrome Lined” has been added to your cart. View cart

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April 17, 2026Lead & Steel Llc LS556PEN-MID-13.9 5.56mm 13.90″ Pencil Profile Features M4 Feed Ramps
$111.11
Lead & Steel Llc LS556PEN-MID-13.9 5.56mm 13.90″ Pencil Profile Features M4 Feed Ramps
7 in stock
SKU: TSW|185351
Category: AR Barrels
The Lead & Steel AR-15 barrels are turned from 4150 Chrome Moly Vanadium Steel and coated in a QPQ Black Nitride finish.
| UPC | 7427053012393 |
|---|---|
| Manufacturer | LEAD & STEEL LLC |
| Manufacturer Part Number | LS556PEN-MID-13.9 |
| Length | 13.90" |
| Rate of Twist | 1:7" |



