If you want to have some more realism with your airsoft gun, why not stick a QR code sticker on it with these stickers from Guns Workshop... "New Spec-Ops-Concept Military QR code sticker for all US Army style weapons, optics & laser sight (they are fully functional can be combined with iphone to scanning marking ), one pack comes with 6pcs stickers, include two different style for the M4 weapons, MK46 & M240 machine guns. Part # 49001 - 49005 number availbale to choose from.

Price for US$ 8.00pc

Please e-mail us for the ordering & details."