GC_UPC Sons Of Liberty Gun Works M4 Patrol 5.56 13.7" Midgas Fsb - Patrol Rifle 5.56x45mm Nato 13.7” Bbl (1)30-Rd Mag Black $1,288.99 PATROLSL-13.7 show more like this $10.00 Brownells GC_UPC SOLGW M4 Patrol 5.56 NATO AR-15 Rifle $1,355.75 PATROLSL-13.7 show more like this 19.95 Cheaper Than Dirt GC_UPC SONS OF LIBERTY GUN WORKS Patrol Rifle 5.56x45mm NATO 13.7” BBL (1)30-Rd Mag Black 1 $1,602.99 PATROLSL-13.7 show more like this Cape Gun Works