Prison bars can't hold Gucci Mane back. The Brick Squad general may be locked up right now (and probably will be until at least 2016), but he keeps the new music flowing with his brand new mixtape, 'Brick Factory Vol. 1.'

Guwop calls on trusty warehouse workers like Young Thug, Migos, Young Scooter, Rich Homie Quan and Yo Gotti for his second project of the year, which feeds the streets with 15 hard-hitting tracks.

There's even a few guest appearances from Gucci's friend-turned-foe Waka Flocka Flame, which suggests some of this material might be old. The former Brick Squad label mates had a very public fall-out last year, which culminated in Gucci suing Waka and his mother, Debra Antney, who once managed him.

Stream 'Brick Factory Vol. 1' below and download the mixtape here. Alternatively, if you wish to support, the project is available to purchase on iTunes.

Listen to Gucci Mane's 'Brick Factory Vol. 1'