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Brownells 75th Anniversary - A Shooting Heritage
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Perfect for your new build or as a direct replacement for worn out parts.
M5 .308 carbine buffer spring for use in .308 AR's with a collapsible buttstock.
M5 .308 rifle buffer spring for use in .308 AR's with a fixed buttstock.
Made in the USA!
Note: Rifle spring will not work with .308 carbines with a collapsible stock.

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