상품명 : APS. 14.5inch Slim Outer Barrel
상품명 : APS. Extend Outer Barrel (41.5mm)
상품명 : APS. Extend Outer Barrel (96mm)
상품명 : DYTAC. 14.5" Mid-Length Assemble Outer Barrel
상품명 : DYTAC. 10.5" Nigh Hawk Assemble Outer Barrel
상품명 : DYTAC. 10.5" Mil Spec CQB Outer Barrel
상품명 : DYTAC. 12.5" Mid-Length Assemble Outer Barrel
상품명 : DYTAC. 14.5" Mil Spec Carbine Outer Barrel
상품명 : DYTAC. 16" Rifle-Length Assemble Outer Barrel
상품명 : DYTAC. 16" Mid-Length Assemble Outer Barrel
상품명 : DYTAC. 20" SPR Outer Barrel Assemble Outer Barrel
상품명 : DIBOYS. M4A1 14.5" Outer Barrel Set (AEG)
상품명 : NOVESKE 14.5인치 Outer Barrel Switchblock (SV / AEG)
상품명 : Infantry. Steel Outer Barrel For M4 Series