We are a small shop that specializes in limiting the capacity of magazines for use in restrictive states. We design and install blocks for most any mag or drum.
We are located in beautiful Tonto Basin Arizona.
Mfg Item #: FZ-M164-01-SAH
FailZero Bolt Carrier Group With Hammer, Completely Assembled, EXO Coated, Fits M16/4, Nickel Finish FZ-M164-01-SAH