Hello guys, I have the Vltor Casv El for carbine gas systems. It is a drop in free float and super easy to install. Requires no modifications to the rifle and can be put on in a few minutes. ONLY the rail is included in the sale, the BCM VFG, Light, light mount, Eotech, rear buis and upper IS NOT included in the sale. You get: (1) Vltor Casv Rail (1) Rail Section (the one the vert grip is sitting on). Asking $160 shipped or trades/partial trades as listed below: Looking for in trade: Magpul P-mags Troy Padded Sling Burris AR 332/536 Vortex Strikefire Vortex Sparc Bravo Company USA BCG 5.11 Tactical Rush 12 Glock 17/19 Mags Magpul Ranger Plates for Glock and AR-15 If your trade is worth more than mine, I will add cash/other times. If mine is worth more than yours, I will expect the same.