G&P GBB MOTS 10.75 inch Keymod for G&P GBB Metal Body & WA M4A1

G&P GBB MOTS 10.75 inch Keymod for G&P GBB Metal Body & WA M4A1 Metal Construction Keymod System on Both With Sling Point on Both 20mm Picatinny on Top Suitable For G&P GBB Metal Body & WA M4A1 Rifle