REXUS AR15 Ejection Port Cover Kit Labeled

Mil-spec ejection port cover kit laser-etched with our four favorite cartridges for AR15 upper receivers. If you want the easy way to quickly know which upper is which, our REXUS brand ejection port doors with the cartridge laser-etched on the inside are the heat. Neat and clean blank outside with — flip! — cartridge Iabel inside.

Includes:
• Ejection Port Cover Door, Laser-Etched with Cartridge Label
• Ejection Port Cover Rod with C-clip
• Ejection Port Cover Spring
• Weight: 0.7 oz

From the drop-down menu, please specify:

• 6.5 Grendel
• 6mm ARC
• 22 ARC
• 5.56 NATO