The SA5P AR9 Bolt Extension is for BCGs with a smaller inner diameter (.531″) .
NOT ALL AR9’s require a smaller bolt extension, and may be compatible with the standard SA5P BCG Extension.
Compatible with some:
- Freedom Ordinance FX9
SA5P BCG Extension – AR9 .531 ID
The SA5P AR9 Bolt Extension is for BCGs with a smaller inner diameter (.531″) .
$22.99
Availability: In stock
Sylvan Arms
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