NcSTAR Upper Receiver Block for AR15 Entry Ram 5-35 ELB-3527N-18

5-35 ELB-3527N-18

clear tube earpiece

Made of premium steerhide

Its key feature includes removable front and rear "INSTRUCTOR" ID patches

5-37 White 18

NcSTAR Upper Receiver Block for AR15 Entry Ram 5-35 ELB-3527N-18NcSTAR Upper Receiver Block for AR15 VTARUVB Upper receiver block is designed to fits AR15 M4 receivers to help with assembly and general maintenance of AR receivers. The modular AR15 M4 upper receiver block can be used in several ways for many different maintenance tasks. You may use just the lower half of the block by attaching it quickly to the upper receiver with the two provided receiver pins. This allows you to clamp the AR upper receiver to a