SPIKES TACTICAL 5.56 MID-LENGTH CHF
5.56 NATO cal., GIO, 14 1/2 or 16 in. CHF barrel, mid-length gas system, low profile gas block, A2 flash hider or permanently attached Vortex flash hider or Dynacomp (14.5 in. barrel only), M4 feed ramp barrel extension, forged receivers w/...