Replacement O-Rings for the Obsidian9™/Obsidian45™ piston. Select your piston thread pitch from the dropdown menu above. Each pack contains 5 replacement o-rings.
Obsidian9™/Obsidian45™ Piston O-Ring Pack
$6.00
$6.00
Replacement O-Rings for the Obsidian9™/Obsidian45™ piston. Select your piston thread pitch from the dropdown menu above. Each pack contains 5 replacement o-rings.
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