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 #: 18-M107UA0B
Primary Weapons Systems MK1 Mod 1 Complete Upper, 223 Wylde, 7.75" Stainless Barrel, 1:8 Twist, PWS Enhanced Bolt Carrier Group, M-Lok, Charging Handle, Black 18-M107UA0B