This is a custom CA11. It has had a gas port drilled, tube and low-profile gas block added to make it semi-automatic ($130). Additionally, I added a PSA 3.5lb single stage drop in trigger ($100) and a PSA bolt and charging handle ($130). Also comes with a SBA3 pistol brace ($100) and Magpul B.A.D. bolt catch/release lever ($40) for faster reload. All in all $500 worth of upgrades. Everything else is stock. Barrel has less than 10 rounds through it. No mags included. Selling it to fund another project.