https://shop.misterguns.com/section/15043/upper-partsmonthly 0.2 https://shop.misterguns.com/product/5500/knights-armament-company-sr-15-cqb-mod-2-5-56mm-11-5-barrel-upper-receiver-black-31963daily0.9 https://shop.misterguns.com/product/5502/knights-armament-company-sr-15-e3-mod-2-5-56mm-16-barrel-upper-receiver-black-31962daily0.9 https://shop.misterguns.com/product/14210/geissele-automatics-super-modular-rail-mk16-9-3-m-lok-desert-05-651sdaily0.9 https://shop.misterguns.com/product/14211/geissele-automatics-super-modular-rail-mk16-10-5-m-lok-black-05-1073bdaily0.9 https://shop.misterguns.com/product/14212/geissele-automatics-super-modular-rail-mk16-10-5-m-lok-desert-05-1073sdaily0.9 https://shop.misterguns.com/product/14213/geissele-automatics-super-modular-rail-mk16-13-5-m-lok-desert-05-650sdaily0.9 https://shop.misterguns.com/product/14214/geissele-automatics-super-modular-mk16-15-m-lok-rail-black-05-792bdaily0.9 https://shop.misterguns.com/product/14215/geissele-automatics-super-modular-mk16-15-m-lok-rail-desert-05-792sdaily0.9