Hey there! I have here a SSP18 build with a couple of awsome accessories. The gun itself have ether red trigger and red barrel installed. It also have been short stroked and a stronger spring have been installed, bring the fire rate from 17 rps, to a whopping 27 rps, while also making it very snappy. It also has a reinforced hammer assembly installed. This bundle also comes with a Glock to m4 mag adpter. Which can be used with either the HPA tanks and line, or the green gas can adpter, that screws right onto a green gas can. This bundle also includes 2 50 round and 1 35 round mags. Overall a great deal and a super fun gun to use indoor. If you have any question please reach out! Thank you for looking a have a great rest of your day. Included: SSP18 with red parts and short stroked 2 hpa tank 1 gap regulator 1 hpa line 1 m4 Glock mag adapter 1 green gas adapter 2 50 round Glock mags 1 25 round Glock mag TRACER UNIT AND M4 MAG NOT INCLUDED!!!! No trades except for a m1919 Willing to reduce price if bundled with other items Have a great rest of your day!