The CMMG AR-15 MK4 Carbine Length Receiver Extension is a crucial accessory for your AR-15 build, beautifully crafted from high-quality aluminum and topped with a hard coat anodized matte black finish. Made by CMMG, it blends durability with a sleek design.
Specs
| Model No. | CMMG55CA9D7 |
| Manufacturer | CMMG |
| Color | Black |
