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 #: 3411B
Yankee Hill Machine Co Thread Protector, Rifle, .22/5.56, 1/2X28, .730 Outer Diamter, Matte YHM-3411-B