This Receiver Extension is for your MK4.
CMMG 55CA9D7 Receiver Extension MK4 Black Steel AR Platform
$37.99
Availability:In StockShips from Warehouse
| UPC | 816422020676 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 55CA9D7 |
| Product Type | Buffer Tube |
| Shipping Weight | 0.25 |
| Style | Extension |
| Location | Warehouse |