This entire bundle comes with nearly everything you need to put an AR15 together, only missing is a trigger group and a stock. Comes with a lower parts kit for the safety, mag release, take down pins, and the various springs and detents needed. Plus it comes with several other parts to get you started on the next AR build. Some parts are brand new and in the packaging, some are new but have been opened, and then others are used and were replaced with other upgrades.

Here is a list of the various parts, but it's possible something might of been missed, so check out the pictures to see exactly what's included.

JP Enterprises Buffer Spring
Spikes Buffer
Matrix Aero Lower Receiver
Two PSA Grips and Lower Receiver Parts Kit
Magpul Grip and Trigger Guard
Ergo Grips
Midwest Keymod Rail
Various other rails and raiser
Buffer Tube
Charging Handle
Extra Buffer Spring and Buffer
Castle Nut and Sling Mounts
UTG hand grips and pads, plus other hand guards and mag holder
Sling with quick detach
Laser Bore sighter
LaRue FDE rail clips
Tasco Pro Point Red Dot
UTG 3-9x32 Compact CQB Bug Buster AO RGB Scope
Magpul 30 and 40 round mags, with one mag cover
Two Thermold 30 round mags
Ammo Round loader
215 rounds of 223 with two 100 round holders
One small and One large Ammo cans
Complete Upper Receiver with 16" barrel, with UTG quad rail handguard and comes with charging handle plus BCG. (Can't recall the brand of the upper but I know I got it from Midway USA. It came all together with an A2 Carbine handgruard, which is included as well.