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Custom AR9 Bolt Extension for Folding Stock Adapter. Fits smaller diameter bolt carriers used on AR9 builds. The extension diameter is .531, commonly used to fit FX9 and other AR9 BCGs. Some AR9s may work with the standard .625 bolt extension that comes with the Folding Stock Adapter. Will not fit Gen 4 Folder.
Specifications
- Manufacturer:
- Sylvan Arms
- Category:
- misc-parts
- UPC:
- RBE-531
- MPN:
- RBE-531
- Required Component:
- No
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