Sylvan Arms ARH300 Custom AR9 Bolt Extension .531

$9.00
In stock
SKU
20742

This is a replacement bolt extension for our Gen3 Folding Stock Adapters that have a smaller bolt extension diameter at .531 to fit FX9 and other AR9 builds that have a smaller bolt carrier group. To ensure proper fitment please measure the opening to your BCG. Not all AR9’s require a smaller bolt extension and can work with the standard .625.

More Information
Product Code RBE-531
Brand Sylvan Arms
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