This is a replica of the Colt M16A1. (of course it shoots) The Barrel and trigger group are enhanced to make the rifle easier and more adverse to shoot. You get: A1 flash suppressor, 20" pencil barrell marked DTI 1:9 NATO, (this twist rate will let you fire a wider range of bullet weights), military sling, triangular handguards, slip ring( not shown), RGUNS, military contractor lower receiver, Rock River trigger that lets go just under 4 lbs, the upper is made for brownell's, A1 butstock w/trap door. The upper and lower receivers fit together very tightly, no slop. ACI 20 round mag,60 rounds fired, no hiccups, SN A556-16752. Pick up/meet only.