Our Glock Conversion Block is built to handle any standard mil-spec lowers with most 9mm uppers.
Works with Glock 17 and Glock 19 magazines.
Built of 60601 aircraft grade aluminum.
100% satisfaction guarantee.
limited lifetime warranty
Designed, built, and assembled in the USA.
| SKU | GCB100 |
|---|---|
| UPC | 852237007907 |
| MPN | GCB100 |
| Manufacturer | Sylvan Arms |
| Model | GCB100 AR-15 To 9mm |
| Condition | New |
| Material | Aluminum |
| Fits | AR-15 |
| Allocation Points | 158 |


