RCM - B&T APC223 / SPC223 Magwell Cobalt The mounting mechanism and rigid

The mounting mechanism and rigid nature of the material prevent the AMC from rotating when utilizing a Flip to Center or Flip to Side style mount making it significantly easier to operate

With the KUNA RCM you focus less on getting rounds in the gun and more on getting them down range

THERE ARE MULTIPLE VARIATIONS OF LOWER RECEIVER UNDER THE "M400" NAME PLEASE USE THIS CHART TO DETERMINE WHICH RCM TO PURCHASE

The SPEAR RCM H (Rifle Combat Magwell Heavy) features a 250% larger flared funnel surface allowing for consistent and fast reloads under any condition and is designed for the SIG SPEAR and M7 lowers

65" (29mm)

RCM - B&T APC223 / SPC223 Magwell Cobalt The mounting mechanism and rigidRifle Combat Magwell for B&T APC223 APC300 SPC223 SPC300 This magwell model is designed for the B&T APC223 APC300 and SPC223 SPC300 lowers including aluminum models. Select the correct model for your lower from the drop down menu using the material the lower is made from.