This kit contains all of the parts required for one complete M11 Upper assembly. This Kit is compatible with all 3DPrintFreedom M11 Uppers and Parts Kits.
This Upper is designed to be compatible with other brands of uppers and builds, but due to differing manufacturing tolerances some fitting may be required to use with other brands.
May require some assembly. Can be primed black for paint or cerakote, or shipped raw