Double bell m16 with grenade launcher

Hi I bought 2 weeks ago this from defcon airsoft not sure why as its too heavy. All alloy construction with great feature of the 203mm launcher. Has no grenade so that will been needed and battery. Comes with the bit to attach direct to the barrel but i think it looks better with the bottom rail left on. Price includes tracked postage with parcel force and if using PayPal please buy as a purchase item for your protection but please pay the 4.2 or something percent fees.