GC_UPC DTI RIFLE KIT 223REM 16 HVY BBL M4 BLK $336.90 RKT101 show more like this 14.99 Defense Depot GC_UPC DTI RIFLE KIT 223REM 16 HVY BBL M4 BLK $341.73 RKT101 show more like this Calculated in Cart DACK Outdoors GC_UPC DTI RIFLE KIT 223REM 16 HVY BBL M4 BLK $350.75 RKT101 show more like this Huligan Arms GC_UPC DTI RIFLE KIT 223REM 16 HVY BBL M4 BLK $350.99 RKT101 show more like this Calculated in cart GunZoneDeals GC_UPC DTI RIFLE KIT 223REM 16 HVY BBL M4 BLK $362.00 RKT101 show more like this 7.95 TheGunDock.com GC_UPC DTI RIFLE KIT 223REM 16 HVY BBL M4 BLK $367.14 RKT101 show more like this Free shipping over $400 (Excludes Ammo) Gman Sport GC_UPC Del-Ton RKT101 Rifle Kit Black .223 Rem / 5.56 Nato 16 inch Heavy Barrel $371.99 RKT101 show more like this 15.64 GrabAGun.com GC_UPC DTI RIFLE KIT 223REM 16 HVY BBL M4 BLK $409.75 RKT101 show more like this 19.99 The Armory at LTT GC_UPC Del-Ton Rifle Kit, .223 Rem, 16" Heavy Varrel, M4, Black $413.89 RKT101 show more like this $11.99 Impact Guns GC_UPC DTI RIFLE KIT 223REM 16 HVY BBL M4 BLK $442.80 RKT101 show more like this Free on Firearms Acute Firearms