Geissele AR15/M4 Reaction Block (Mil-Spec Buffer Tube Only) 05-314

#html-body [data-pb-style=IGD9Q0A]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;border-style:none;border-width:1px;border-radius:0;margin:0 0 10px;padding:10px}#html-body [data-pb-style=WASHMKX]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}The Geissele Reaction BlockA(R) is designed to aid in the assembly of lower receivers. Once the armorer has in